# Command A Reasoning

> Command A Reasoning is an open-weight language model from Cohere, released on 21 Aug 2025. It accepts text and generates text, with a 256K-token context window and up to 32K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $2.50 per million input tokens and $10 per million output tokens (Cohere API), across 1 provider we track.

Source page: https://www.aimodel.directory/models/command-a-reasoning
Last verified: 4 Oct 2026

## Specifications

- **Developer:** Cohere
- **Release date:** 21 Aug 2025 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Weights:** Open weights (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Context window:** 256K (256,000 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Max output:** 32K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Knowledge cutoff:** 1 Jun 2024 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Input:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Output:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Reasoning mode:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)
- **Tool calling:** Yes (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/cohere/models/command-a-reasoning-08-2025.toml)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| Cohere API | $2.50 | $10 | – | 256K |

## FAQ

### What is the context window of Command A Reasoning?

Command A Reasoning has a context window of 256,000 tokens (256K) and can generate up to 32,000 tokens in a single response, according to models.dev.

### How much does the Command A Reasoning API cost?

Through Cohere API, Command A Reasoning costs $2.50 per million input tokens and $10 per million output tokens. Prices last verified 4 Oct 2026.

### Is Command A Reasoning open source?

Command A Reasoning is an open-weight model. Check the license terms before commercial use.

### When was Command A Reasoning released?

Cohere released Command A Reasoning on 21 Aug 2025, according to models.dev.

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Data licensed CC BY 4.0. Cite as: AI Model Directory, "Command A Reasoning", https://www.aimodel.directory/models/command-a-reasoning