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. Compared to other leading proprietary and open-weights models Command A…
Model details →Cohere: Command A vs OpenAI: GPT-5 Codex
OpenAI: GPT-5 Codex wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks. The model supports…
Model details →Side-by-side comparison
| Capability | Cohere: Command A | OpenAI: GPT-5 Codex | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 400K | 🏆 OpenAI: GPT-5 Codex |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $1.25 | 🏆 OpenAI: GPT-5 Codex |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $10.00 | Tie |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 OpenAI: GPT-5 Codex |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-5 Codex |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 OpenAI: GPT-5 Codex |
Frequently asked questions
Is Cohere: Command A better than OpenAI: GPT-5 Codex?
OpenAI: GPT-5 Codex wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Cohere: Command A and OpenAI: GPT-5 Codex?
Input: $2.50 vs $1.25 per 1M tokens. Output: $10.00 vs $10.00 per 1M tokens.
What context windows do Cohere: Command A and OpenAI: GPT-5 Codex support?
Cohere: Command A supports up to 256K tokens. OpenAI: GPT-5 Codex supports up to 400K tokens.
Do both Cohere: Command A and OpenAI: GPT-5 Codex support tool calling?
Cohere: Command A: not advertised. OpenAI: GPT-5 Codex: yes.