Claude Fable 5 vs GPT-4.1 Nano
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-4.1 Nano: side by side
| Spec | Claude Fable 5 | GPT-4.1 Nano | Winner |
|---|---|---|---|
| Intelligence | 59.9 | 7.3 | Claude Fable 5 |
| Output speed | — | 112 t/s | Tie |
| Output price | $50.00/1M | $0.40/1M | GPT-4.1 Nano |
| Context | 1000K | 1048K | GPT-4.1 Nano |
| 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-4.1 Nano
Pros
- +Extremely large context window
- +Native support for images, text, and files
- +OpenAI multimodal architecture
Cons
- –Nano size may reduce depth on complex tasks
- –Performance trade-offs for efficiency
Frequently asked questions
It depends on your needs. Claude Fable 5 and GPT-4.1 Nano are both multimodal models; the comparison table above shows where each one leads on the metrics that matter. See the verdict for a recommendation.