Claude Fable 5 vs GPT-5.1-Codex-Max
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 Fable 5 vs GPT-5.1-Codex-Max: side by side
| Spec | Claude Fable 5 | GPT-5.1-Codex-Max | Winner |
|---|---|---|---|
| Intelligence | 59.9 | — | Tie |
| Output speed | — | — | Tie |
| Output price | $50.00/1M | $10.00/1M | GPT-5.1-Codex-Max |
| Context | 1000K | 400K | Claude Fable 5 |
| Params | — | — | Tie |
| Provider | Anthropic | OpenAI | Tie |
Claude Fable 5
Pros
- +Coherent handling of very large contexts
- +Strong integration of text and visual inputs
- +Safety-aligned responses
Cons
- –May decline edge-case or sensitive requests
- –Slower inference on maximum context lengths
- –No native audio or video support
GPT-5.1-Codex-Max
Pros
- +Handles very large contexts
- +Strong coding focus
- +Combines text and image inputs
Cons
- –Limited to text and image modalities
- –High resource demands for large contexts
- –No support for other media types
Frequently asked questions
It depends on your needs. Claude Fable 5 and GPT-5.1-Codex-Max are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.