Core API

-

Cohere API is a large model API platform provided by Cohere for enterprise-level scenarios. It covers four model families: generation (Command series), semantic embedding (Embed), relevance ranking (Rerank), and speech recognition (Transcribe). It also provides North full-stack AI workbench and Compass intelligent search products. The core differentiation lies in the in-depth support for data sovereignty and private deployment - models can be run in customer VPCs, local data centers or Cohere hosted dedicated instances (Model Vault), and business customization can be achieved through model fine-tuning.

Core API Product Interface

In-depth analysis of Cohere API

Core parameters and statistics

Brief comment in one sentence: Cohere API is not a general chatbot, but a "model + infrastructure" combination platform for enterprise RAG and search scenarios. The core difference lies in data sovereignty - the model can run in the customer's VPC, rather than having to go through Cohere's cloud.

Dimensions Current public information
Product positioning Enterprise-level large model API platform - generation (Command), embedding (Embed), sorting (Rerank), speech recognition (Transcribe)
Delivery form Public cloud API + Model Vault (dedicated hosting instance) + VPC/local private deployment + North (full-stack AI workbench)
Latest main model Command A+ 05-2026 (MoE, 128K ctx, 64K output, Text+Image)
Maximum context (all series) 8K ~ 256K (varies by model)
Embed model maximum dimension 1536 (Embed v4.0)
Rerank model maximum context 32K (Rerank v4.0 Pro/Fast)
Number of supported platforms Top 5 cloud platforms: Amazon Bedrock/SageMaker, Azure AI Foundry, Oracle OCI
Enterprise Customers Public disclosures include Oracle, Fujitsu, Dell, RBC, SAP, Salesforce, Accenture, McKinsey, etc.
Headquarters / Location Canada (Toronto)
Security Certification SOC 2, VPC deploys Model Vault dedicated instance (subject to the official Trust Center)

Product Boundary: Cohere's core battlefield is "privatizable enterprise RAG and search", not general chat or consumer applications. If a team needs low-barrier conversational AI or self-hosting of open source models, Cohere's API path may be overweighted.

User and market recognition

  • Enterprise customer list is highly valuable: Oracle (strategic cooperation and joint sales), Fujitsu (CTO public endorsement), SAP, and Salesforce are all global enterprise software vendors, indicating that Cohere has been verified by key channels in "embedding into the existing enterprise software ecosystem". The adoption by financial institutions such as RBC and TD Bank further proves its penetration in compliance-sensitive industries.
  • Developer Community: Cohere provides free courses and complete API documentation in the Discord community LLM University. Several official and community projects (such as Cohere Toolkit, LLM University code base) continue to be active on GitHub. The specific number of stars/forks is subject to the GitHub real-time page.
  • Financing and Valuation: Cohere has completed multiple rounds of financing, with investors including Oracle, NVIDIA Index Ventures, etc., and its valuation is at the forefront of the field of generative AI infrastructure (the specific amount and rounds are subject to public databases such as Crunchbase).
  • Market Visibility: In the RAG and Embedding segments, Cohere's Rerank model is a high-frequency reference component in the retrieval enhancement generation pipeline, and is deeply integrated with mainstream frameworks such as LlamaIndex and LangChain.

Boundary Statement: If the procurement process relies on hard indicators such as precise MAU/ARR/number of enterprise customers, you need to request official certification materials from the Cohere sales team at the business end.

Cost advantage: from free trial pricing by token to complete tiering of dedicated instances

Cohere's pricing system covers four tiers, from zero-threshold Trial Key to million-dollar privatized deployment. The cost structure and restrictions of each tier in between are significantly different. Choosing the wrong tier may lead to out-of-control costs.

Cost level Billing method Typical scenarios Price range (reference)
C-side/Trial Trial API Key, free but speed limited Personal prototype verification, model evaluation $0 (rate limited, commercial use prohibited)
API Pay-as-you-go Billing by token (input/output separation) Small and medium-scale production, developer integration Command series $1~$15/1M tokens (varies by model)
Model Vault dedicated instance Fixed rate based on instance hour/month Medium and large-scale production, high data isolation requirements $4~$10/hr or $2,500~$6,500/month
Enterprise Privatization (VPC/Local) Customized contract, including deployment + customization + operation and maintenance Finance, government, strict compliance industries Business quotation required, undisclosed

C-side/Individual: After registration, you will automatically obtain the Trial API Key, and you can directly call the Playground in the Dashboard to experience all models. Trial Key is rate limited and expressly prohibited from any commercial or production use, and is suitable for technical evaluation and prototype verification. No hidden subscription fees.

Developer/API: Production API Key is paid post-token, and will be billed at the end of the monthly billing cycle or when the balance due exceeds $250. The pricing of different models varies greatly - Command A+, as the flagship MoE model, has the highest unit price (specifically based on Dashboard real-time price), while Command R7B (12B parameter level) is targeted at low-cost scenarios. The entry price of Aya Expanse series (open source multi-language model) is $0.50/1M input + $1.50/1M output. Rerank is billed based on "search unit" (1 query × up to 100 docs), and extra-long documents are automatically billed in chunks. Key Hidden Cost: Automatic truncation that exceeds the context limit may cause the number of billing tokens to be higher than expected. It is recommended to set an explicit upper limit of max_tokens in the production environment.

Enterprise/Private: Model Vault is Cohere’s exclusive hosting solution – models run on single-tenant instances managed by Cohere, with no multi-tenant resource contention. Billing is based on instance type and length (for example, Embed 4 Small $4/hr/$2,500 per month, Rerank 4 Pro Large $10/hr/$6,500 per month). VPC/local deployment requires a customized contract. Explicit costs include instance leasing, deployment implementation, and continuous operation and maintenance. Implicit costs also include data annotation manpower for model fine-tuning, procurement cycles for dedicated hardware, and team skills training.

Main functions

  • Command Generation Model Family: Covers generation capabilities from 12B parameter level (Command R7B) to flagship MoE (Command A+). Support Agentic tools to call RAG generation, translation and reasoning. Command A Reasoning is Cohere's first "thinking" model, which performs internal reasoning chain calculations before Token generation, and is suitable for logical reasoning, mathematics and multi-step Agent tasks. Command A Vision adds image understanding capabilities for chart OCR, document question and answer, and target detection.
  • Embed Semantic Embedding: Convert text and images into fixed-dimensional vector representations (up to 1536 dimensions), supporting semantic search, clustering and classification. Embed v4.0 significantly increases the context length from 512 tokens to 128K, which can handle end-to-end embedding of long documents without the need for pre-blocking. It also supports dynamic dimension selection (256/512/1024/1536), and the storage cost of the downstream vector database can be flexibly controlled according to accuracy requirements.
  • Rerank: After recalling candidate documents in a one-stage retrieval (such as BM25 or vector search), use the Transformer model to fine-scale relevance score and rerank query-doc pairs. Rerank v4.0 Pro supports 32K context and semi-structured data (JSON), which are key components to improve RAG accuracy. Expert view: The combination of Embed + Rerank can form a two-stage search pipeline of "coarse recall → fine sorting". Compared with vector search alone, the hit rate is usually 15-30% higher in internal evaluations. This is not an independent feature, but a core synergy card slot that Cohere uses to build RAG’s competitiveness.
  • Transcribe speech recognition: Focus on audio-to-text (ASR) scenarios, supporting multi-language transcription, with a maximum audio file size of 25MB. The open source research version cohere-transcribe-03-2026 released in March 2026 focuses on high-precision multi-language transcription.
  • North full-stack AI workbench and Compass intelligent search: North is Cohere's enterprise-level AI one-stop platform with built-in Command model RAG pipeline agent and workflow orchestration, targeting non-technical business users. Compass focuses on enterprise-level intelligent search and discovery, with pre-built

Build data connectors, document parsing and management indexing capabilities. Both require contacting sales for a custom quote.

Model and version evolution

Cohere's model iteration rhythm is intensive: Command R (128K ctx) will be released in March 2024, and the R+ enhanced version will be launched in August; Command A will significantly refresh the upper limit with 256K ctx and 150% throughput improvement in March 2025; three specialized variants of Vision/Translate/Reasoning will be launched from July to August 2025; in May 2026, Command A+ will become Cohere's first MoE architecture model also supports visual input.

Current Mainline (July 2026)

Model Series Context Maximum Output Modality Architectural Features
Command A+ 05-2026 Command A 128K 64K Text+Image The first MoE, 1×B200 or 2×H100 can run
Command A 03-2025 Command A 256K 8K Text Throughput increased by 150% compared to R+
Command A Reasoning 08-2025 Command A 256K 32K Text Reasoning model, internal thinking chain
Command A Vision 07-2025 Command A 128K 8K Text+Image Chart OCR, Document Q&A
Command A Translate 08-2025 Command A 8K 8K Text 23 Languages Machine Translation SOTA
Command R7B 12-2024 Command R 128K 4K Text Small parameters and high cost performance, dedicated to RAG/Agent
Embed v4.0 Embed 128K Text+Image Variable dimensions 256~1536
Rerank v4.0 Pro/Fast Rerank 32K Text Semi-structured data + multi-language
  • Command R Series: Command R (03-2024) and Command R+ (04-2024) were deprecated on September 15, 2025, and it is now recommended to migrate to Command A series or Command R7B. Deprecated models are still accessible through the legacy API, but no longer receive performance optimizations and security updates.
  • Aya Multilingual Series: Aya Expanse 32B (23 languages, 128K ctx) and Aya Vision 32B (multimodal) are active mainlines; 8B variant has been retired in April 2026. Tiny Aya (3.35B, 70 languages) is divided into four variants: Global/Earth/Fire/Water according to geographical regions, which is suitable for resource-constrained scenarios.
  • Embed Series: The v3.0 series (English/multi-language) context only has 512 tokens, and large documents need to be divided into chunks; v4.0 directly supports 128K context, which is a significant upgrade for long document retrieval. v3.0 is currently still available but it is recommended that new projects use v4.0 directly.

Key points for version evaluation

For the production team, the dimension of version selection should not only look at the "latest", but also need to consider: key capabilities (such as whether Reasoning/Vision is required), deployment cost (Command A+ only requires 1×B200, which can significantly reduce the hardware threshold), data compliance (VPC support varies between versions), and deprecation timeline (Command R series has been deprecated, and the migration window is limited).

Technical advantages

Mechanism: Cohere's technical route is different from OpenAI's universal scaling and Anthropic's security priority, focusing on the vertical optimization of "enterprise-level search enhancement + private deployment".

  • RAG full stack optimization: Cohere is one of the few API platforms that provides the three major RAG components of generation (Command), embedding (Embed) and reordering (Rerank) at the same time. The synergy between the three is: Embed converts documents into vectors to complete rough recall, Rerank performs fine sorting and scoring on the candidate set, and Command performs generation based on the sorted context. This pipeline closure avoids compatibility losses and additional delays when integrating across vendors.
  • Deployment Flexibility Premium: Implement the "model as dedicated instance" hosting model through Model Vault - model weights are completely isolated, and there is no risk of multi-tenant contamination. VPC/local deployment goes one step further and runs the model within the customer's own infrastructure, so the data does not leave the enterprise network boundary. This "unified API entrance + data plane segmentation" architecture constitutes a clear procurement premium in compliance-intensive industries such as finance, medical care, and government affairs.
  • MoE architecture project implementation: Command A+ is Cohere's first MoE model, which can be run on a single B200 or 2 H100 GPUs. This means that the hardware threshold and inference latency are significantly reduced compared to dense models of equivalent capabilities - for teams that want to run private models on internal GPU clusters, this directly affects the computable TCO (total cost of ownership).
  • Effect Quantification: According to official disclosures, Command A has a 150% increase in throughput compared to Command R+ 08-2024, which means that the same hardware can serve more requests per unit time. Rerank v4.0 Pro supports 32K context, which is 8 times improved compared to v3.5’s 4K, and can directly receive longer document fragments for sorting.

Applicable scenarios: Most suitable for teams that already have enterprise search or RAG architecture and need to improve retrieval accuracy and ensure that data does not leave the domain. It is not suitable for building a basic model training stack from scratch or for real-time chat scenarios that require minimal delay.

How to use

The usage entrances of Cohere API are divided into four categories, corresponding to teams with different technical backgrounds:

Entrance Typical steps Adaptation role
Dashboard Playground Register → Get Trial Key → Select the model in the Playground, write Prompt, and debug Product Manager, Business Analyst AI Evaluator
REST API Obtain Production Key → Complete Go to Production application in Dashboard → Integrate SDK/HTTP call Backend/ML Engineer
Model Vault Create an instance in Dashboard → Select a model and specification → Get a Vault-specific endpoint DevOps, MLOps, IT Admins
North / Compass Contact Sales Request Demo → Configure Data Connector → Configure Agent and Search Index Enterprise Digital Team IT Procurement

API call example (Python SDK):

import cohere

# Initialize the client (Production Key needs to be applied for in Dashboard)
co = cohere.Client("<YOUR_API_KEY>")

# Command generate
response = co.chat(
    model="command-a-plus-05-2026",
    message="Summarize the key advantages of RAG architecture for enterprise search.",
    temperature=0.3,
    max_tokens=1024,
)
print(response.text)

#Embed Embed
embeddings = co.embed(
    texts=["Cohere API supports private deployment in VPC."],
    model="embed-v4.0",
    input_type="search_document",
    embedding_types=["float"]
)
print(embeddings.embeddings)

# Rerank reorder
rerank_results = co.rerank(
    model="rerank-v4.0-pro",
    query="What is the context length of Command A+、",
    documents=[
        "Command A+ has a context length of 128K tokens.",
        "Embed v4.0 supports up to 128K context length.",
        "Rerank v4.0 Pro supports 32K context length."
    ],
    top_n=2
)
for result in rerank_results.results:
    print(f"Index: {result.index}, Relevance: {result.relevance_score}")

Recommendation for implementation path: First use Trial Key to complete model selection and accuracy verification in the Playground (1-2 weeks), then use Production Key to do API integration PoC (2-4 weeks), and finally decide whether to deploy a public API, Model Vault or VPC based on throughput and compliance requirements.

Product Pricing

Cohere's pricing is not a fixed price list, but a three-dimensional matrix based on "access method × model × specification".

Public API is priced by token (representative model):

Model Input ($/1M tokens) Output ($/1M tokens) Remarks
Command A+ 05-2026 Undisclosed (Flagship MoE) Undisclosed Subject to Dashboard real-time price
Command A 03-2025 Undisclosed Undisclosed Subject to Dashboard real-time price
Command R7B 12-2024 Undisclosed Undisclosed Small parameters and low cost, subject to the real-time page
Command (legacy) $1.00 $2.00 Deprecated, only available to existing customers
Command R+ 08-2024 (legacy) $2.50 $10.00 Deprecated
Aya Expanse 32B $0.50 $1.50 Open source multi-language model

Rerank billing: Based on "search unit" - 1 search unit = 1 query + up to 100 documents. Documents exceeding 500 tokens are automatically divided into chunks, and each chunk is counted as an independent document. The official pricing of the Rerank v4.0 series has not been fully disclosed, and is subject to the Dashboard real-time page.

Model Vault exclusive instance (some specifications):

Models Performance Tiers Hourly Rates Monthly Rates
Embed 4 Small $4.00/hr $2,500/month
Embed 4 Medium $5.00/hr $3,250/month
Rerank 3.5 / 4 Fast / 4 Pro Medium $5.00/hr $3,250/month
Rerank 4 Pro Large $10.00/hr $6,500/month

Free Quota: Trial API Key is completely free, but the rate is limited and commercial use is prohibited. Once transferred to Production Key, it will be billed on a post-paid basis.

Hidden costs: Data preparation and labeling costs for model fine-tuning (customers need to prepare training data by themselves), engineering integration costs for migrating from public API to VPC, hardware procurement and operation and maintenance costs for long-term private deployment.

Application scenarios

  • Enterprise RAG Knowledge Base Q&A: Use Embed v4.0 to convert internal documents (including PDFs, tables, scans) into vectors, Rerank v4.0 Pro for fine layout, and the Command series for generating answers. Typical scenarios: financial research report Q&A, legal contract review, medical literature retrieval. Verification focus: Measure the retrieval recall rate (Recall@K) and answer fidelity (Answer Faithfulness) in the first batch of pilots, and compare the differences between pure vector search vs. Embed+Rerank two-stage pipeline.
  • Multi-language content understanding and translation: Command A Translate reaches translation SOTA in 23 languages, and the Aya series covers 23~70 languages. Suitable for multi-lingual customer service for cross-border e-commerce and cross-language retrieval of internal knowledge for global enterprises. Boundary: The translation quality of low-resource languages ​​still requires manual inspection, and is not suitable for translation of content with extremely high literary requirements.
  • Compliance Search and Review: In financial, government affairs, and medical scenarios, documents must not leave the corporate network. Run the model in your own infrastructure through VPC deployment or Model Vault, and combine it with Rerank to perform relevance filtering on sensitive content. Key points of verification: Confirm whether the deployment plan covers all data processing procedures (including log auditing, transmission encryption and access control).
  • Agent and automated workflow: Command A series natively supports tool invocation and Agent workflow orchestration. It can be used for structured tasks such as automated operation and maintenance work order classification, sales lead scoring, and contract clause extraction. Not suitable for boundaries: Real-time interaction scenarios that require extremely low latency (<200ms) are not suitable for cross-cloud Agent orchestration links. It is recommended to evaluate local deployment or dedicated inference solutions.

Applicable people

  • AI Architect and ML Engineer: Need to build an end-to-end RAG pipeline for the enterprise, focusing on retrieval accuracy, model selection and privatized deployment path. Cohere's Embed+Rerank+Command three-piece suite provides a standardized solution from data warehousing to output generation, eliminating the workload of cross-vendor integration.
  • Enterprise IT and Compliance Leader: Responsible for data security and compliance audits. Cohere's VPC/Model Vault private deployment solution SOC 2 certification and the clause that data is not used for model training (which needs to be confirmed at the contract level) are its main value points.
  • Industry solution integrator: Serving compliance-sensitive industries such as finance, medical care, and government affairs. Cohere's deep integration with platforms such as Oracle, Fujitsu, AWS, Azure and more allows it to be embedded into existing systems as a plug-in component for enterprise-grade AI capabilities.
  • Does not fit boundaries:
    • Small teams or individual developers with limited budgets - Trial Key has strict restrictions, Production Key has approval thresholds and billing by token may exceed predictions. It is more recommended that open source models (such as Llama, Mistral) be self-hosted through Ollama/vLLM.
    • Applications that require general conversation or consumer-grade AI - Cohere's Command series is positioned as an enterprise RAG/Agent, and there is a gap in conversation capabilities with the Anthropic Claude or GPT series.
    • Extremely strict private scenarios that require complete offline operation and no external dependencies - Although the Model Vault is a single tenant, the control plane is still managed by Cohere, and the VPC solution requires the manufacturer to be on site; if complete autonomy and control are required, open source models + self-training are still the only options.

Summary and Outlook

The core competitiveness of Cohere API does not lie in the benchmark score of a single model, but in the engineering implementation of the full-stack RAG capabilities of "generation + embedding + reordering" and enterprise-level private deployment. In enterprise RAG and search scenarios, Cohere's Embed+Rerank component is the only native collaboration solution currently on the market provided by the same supplier - which means the lowest pipeline compatibility loss and the shortest debugging link. Command A+, the first MoE model, reduces the TCO of private deployments with the hardware efficiency that can run on a single card. The Aya series’ coverage in 70 languages ​​makes it a differentiated value in multilingual scenarios.

Current limitations and uncertainties: Cohere's capabilities in areas such as general conversation, creative writing and multi-modal understanding are still far behind the OpenAI GPT-5 series or Anthropic Claude 4 series, and are not suitable for open domain scenarios that require the strongest general intelligence. The actual performance and stability data of the MoE model (Command A+) have not yet been verified by a large-scale community. VPC/local deployment has high procurement threshold and long delivery cycle, making it difficult for small and medium-sized enterprises to adopt it quickly. Cohere has not disclosed the precise TTFT and throughput benchmarks for all models, so you need to rely on actual measurements rather than paper specifications when selecting and comparing models.

Procurement/Adoption Risk Assessment: For enterprises that plan to introduce Cohere API into production, it is recommended to conduct a three-step verification - first use the Trial Key to complete the accuracy and latency benchmark test of the core scenario within 2-4 weeks (especially the recall rate of the Embed+Rerank combined pipeline), and then apply for the Production Key to do a one-month medium traffic stress test to confirm that the billing model meets the growth expectations before entering the commercial contract stage. Private deployment solutions (Model Vault/VPC) must confirm the data processing terms (whether the data is used for model improvement), the visibility SLA of audit logs, and the upgrade and migration process at the contract level. In terms of model binding risks, it is recommended to maintain the interface abstraction layer of Embedding and Rerank models in the RAG pipeline, leaving engineering flexibility to switch to other vendors or open source solutions.

Related tools: hugging-face, replicate

Version Info

  • Command A+ MoE :Cohere's first Mixed Expert (MoE) model supports both text and image input, 128K context, 64K maximum output, and can run on a single B200 or 2 H100 GPUs. Integrate agentic capabilities, reasoning and multi-language translation into a single weight.
  • Command A :256K context, tool calling and RAG capabilities are greatly enhanced, the throughput is 150% higher than Command R+ 08-2024, and only 2 GPUs are needed to run.
  • Command R+ 08-2024 :128K context, supports complex RAG and multi-step tool calls, entry price $2.50/1M input tokens.
  • Command R :Cohere's first command dialogue model, 128K context, supports code generation RAG, tool invocation and Agent workflow. Deprecated.

User Reviews

  • Loading reviews...