Claude 2.1 vs GPT-5-Codex-Mini
Anthropic Claude 2.1 | OpenAI GPT-5-Codex-Mini | |
|---|---|---|
| Overview | ||
| Company | Anthropic | OpenAI |
| Release date | Nov 21 2023 | Nov 7 2025 |
| Access | Proprietary | Proprietary |
| Timeline | ||
| Release gap | Claude 2.1 shipped 717 days before GPT-5-Codex-Mini | |
Which is better: Claude 2.1 or GPT-5-Codex-Mini?
Claude 2.1 and GPT-5-Codex-Mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 717 days before GPT-5-Codex-Mini, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Claude 2.1 and GPT-5-Codex-Mini don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 2.1 was released by Anthropic on Nov 21 2023.
GPT-5-Codex-Mini was released by OpenAI on Nov 7 2025.
Other comparisons
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