C

Cohere: Command A

Cohere
256K
Context
$2.50
Input /1M
$10.00
Output /1M
8K
Max Output
Run API Call Open in Chat

Cohere: Command A

Inference Model ID: cohere/command-a

Overview

Property Value
Provider Cohere
Model ID cohere/command-a
Short Name Command A
Created March 13, 2025
Parameters 111 billion
Context Length 256,000 tokens
Max Completion Tokens 8,192
Input Modalities Text
Output Modalities Text
Quantization Unknown
Variant Standard

Description

Command A is an open-weights 111B parameter model with a 256k context window focused on delivering great performance across agentic, multilingual, and coding use cases. The model emphasizes delivering maximum performance with minimum hardware costs, excelling on business-critical agentic and multilingual tasks.

Key characteristics:

  • Open Weights: Publicly available via HuggingFace (CohereForAI/c4ai-command-a-03-2025)
  • Agentic Focus: Optimized for tool use and agentic workflows
  • Multilingual Excellence: Strong performance across multiple languages
  • Coding Capabilities: Enhanced code generation and understanding
  • Cost Efficient: Designed for maximum performance with minimum hardware costs

Pricing

Type Price per Million
Input Tokens $2.50
Output Tokens $10.00

Supported Parameters

Parameter Description
max_tokens Maximum number of tokens to generate
temperature Controls randomness in output generation
top_p Nucleus sampling probability threshold
stop Stop sequences to end generation
frequency_penalty Penalty for token frequency
presence_penalty Penalty for token presence
top_k Top-K sampling parameter
seed Seed for reproducible outputs
response_format Format specification for the response
structured_outputs Enable structured output generation

Features

Feature Supported
Tool Choice Yes (none, auto, required, function)
Reasoning No
Chat Completions Yes
Completions Endpoint No
Multipart Support Yes

Tool Choice Options

  • literal_none - Disable tool use
  • literal_auto - Let model decide tool usage
  • literal_required - Force tool usage
  • type_function - Specific function tool selection

Use Cases

  • Agentic Workflows: Complex multi-step tasks with tool usage
  • Multilingual Applications: Global customer service, translation, content generation
  • Code Generation: Software development assistance, code review, debugging
  • Long Document Processing: Analysis of lengthy documents, contracts, research papers
  • Enterprise Applications: Business-critical tasks requiring reliable performance

API Usage Example

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer $LANGMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "cohere/command-a",
    "messages": [
      {"role": "user", "content": "Hello, how are you?"}
    ],
    "max_tokens": 1024
  }'

Using with Tools

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer $LANGMART_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "cohere/command-a",
    "messages": [
      {"role": "user", "content": "What is the weather in San Francisco?"}
    ],
    "tools": [
      {
        "type": "function",
        "function": {
          "name": "get_weather",
          "description": "Get the current weather for a location",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {"type": "string", "description": "City name"}
            },
            "required": ["location"]
          }
        }
      }
    ],
    "tool_choice": "auto"
  }'

Cohere Model Family

Model ID Description
cohere/command-r Command R - General purpose model
cohere/command-r-plus Command R+ - Enhanced capability model
cohere/command-r-08-2024 Command R (August 2024 release)
cohere/command-r-plus-08-2024 Command R+ (August 2024 release)

Similar Open-Weight Models

Model ID Description
meta-llama/llama-3.3-70b-instruct Llama 3.3 70B - Open weights
mistralai/mixtral-8x22b-instruct Mixtral 8x22B - Open weights MoE
qwen/qwen-2.5-72b-instruct Qwen 2.5 72B - Open weights

Providers

Primary Provider: Cohere

Property Value
Provider Cohere
Provider Base URL https://api.langmart.ai/v1
Data Policy Training disabled
Prompt Retention 30 days
Publication Allowed No

Model Weights

The model weights are publicly available:

Notes

  • This model is part of Cohere's Command family released in March 2025
  • With 256K context length, it supports extremely long documents and conversations
  • Open weights enable self-hosting and fine-tuning
  • Optimized for agentic use cases with strong tool calling capabilities
  • Excellent multilingual support for global applications
  • Strong coding capabilities for development workflows

Source: LangMart Model Registry Last Updated: December 23, 2025