Claude Fable 5.1 vs GPT-4
Claude Fable 5.1 is cheaper on output tokens, while Claude Fable 5.1 offers a larger context window. Choose Claude Fable 5.1 or GPT-4 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Fable 5.1 | GPT-4 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input / 1M tokens | $10.00 | $30.00 |
| Output / 1M tokens | $50.00 | $60.00 |
| Context window | 1M | 8K |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Nov 2023 |
| LMArena (Chatbot Arena) Elo score | 1510 | 1206 |
| LMArena WebDev Elo score | 1743 | — |
| LMArena Vision Elo score | 1318 | — |
| Epoch Capabilities Index score | 165 | 126 |
| GPQA Diamond score | — | 35.7 |
FAQ
Is Claude Fable 5.1 or GPT-4 cheaper?
Claude Fable 5.1 is cheaper on output tokens ($50.00 vs $60.00 per 1M).
Which has the larger context window, Claude Fable 5.1 or GPT-4?
Claude Fable 5.1 has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.