Claude Opus 4.7 (Fast) vs GPT-5.1-Codex-Mini
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Claude Opus 4.7 (Fast) vs GPT-5.1-Codex-Mini: side by side
| Spec | Claude Opus 4.7 (Fast) | GPT-5.1-Codex-Mini | Winner |
|---|---|---|---|
| Intelligence | 53.5 | 30.6 | Claude Opus 4.7 (Fast) |
| Output speed | 51 t/s | 211 t/s | GPT-5.1-Codex-Mini |
| Output price | $150.00/1M | $2.00/1M | GPT-5.1-Codex-Mini |
| Context | 1000K | 400K | Claude Opus 4.7 (Fast) |
| Params | — | — | Tie |
| Provider | Anthropic | OpenAI | Tie |
Claude Opus 4.7 (Fast)
Pros
- +Strong safety alignment
- +Nuanced and careful reasoning
- +Effective large-context handling
Cons
- –May decline edge-case or risky requests
- –Multimodal tasks can increase response time
- –Large context usage remains resource-heavy
GPT-5.1-Codex-Mini
Pros
- +Very large context window
- +Strong coding specialization
- +Native image + text support
Cons
- –Mini variant may have reduced depth on complex reasoning
- –Limited to image and text modalities
- –Trade-off between context size and response speed
Frequently asked questions
It depends on your needs. Claude Opus 4.7 (Fast) and GPT-5.1-Codex-Mini are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.