Claude Fable 5 vs GPT-5.2
GPT-5.2 is cheaper on output tokens, while Claude Fable 5 offers a larger context window. Choose Claude Fable 5 or GPT-5.2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Fable 5 | GPT-5.2 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input / 1M tokens | $10.00 | $1.75 |
| Output / 1M tokens | $50.00 | $14.00 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Jun 2026 | Dec 2025 |
| LiveBench score | 78.6 | 75.4 |
| LMArena (Chatbot Arena) Elo score | 1491 | 1416 |
| GPQA Diamond score | 85.9 | 91.4 |
| Epoch Capabilities Index score | 163 | 154 |
| LMArena WebDev Elo score | 1624 | 1417 |
| LMArena Vision Elo score | 1325 | 1246 |
| FrontierMath score | — | 40.7 |
| SWE-bench Multilingual score | — | 66.7 |
| SWE-bench Verified score | — | 72.8 |
FAQ
Is Claude Fable 5 or GPT-5.2 cheaper?
GPT-5.2 is cheaper on output tokens ($14.00 vs $50.00 per 1M).
Which has the larger context window, Claude Fable 5 or GPT-5.2?
Claude Fable 5 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.