Claude Fable 5.1 vs 
GPT-6.1 Sol
GPT-6.1 Sol is cheaper than Claude Fable 5.1 at $2/M vs $10/M input tokens.
Pokémon Battle UI Recreation
Pokémon battle screen you can actually click. One HTML file.
Loading the build
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Which answer wins?
Price and specs
Not enough votes to call it. On the specs, Claude Fable 5.1 has the edge: bigger model tier. GPT-6.1 Sol costs 5.0x less per token.
| Spec | Claude Fable 5.1 | GPT-6.1 Sol |
|---|---|---|
| Input price | $10/M tokens | $2/M tokens |
| Output price | $50/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Sep 2026 |
| At 10M a month | $100 | $20.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Per million tokens. Prices and uptime via OpenRouter, checked 6 Oct 2026.
Common questions
What is the difference between Claude Fable 5.1 and GPT-6.1 Sol?
Claude Fable 5.1 is developed by Anthropic while GPT-6.1 Sol is developed by OpenAI. Claude Fable 5.1 has a 1.0M token context window vs GPT-6.1 Sol's 1.1M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.
Which is better, Claude Fable 5.1 or GPT-6.1 Sol?
It depends on your use case. Claude Fable 5.1 and GPT-6.1 Sol each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.
How much does Claude Fable 5.1 cost compared to GPT-6.1 Sol?
Claude Fable 5.1 costs $10/M input tokens and GPT-6.1 Sol costs $2/M input tokens. GPT-6.1 Sol is $8.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare Claude Fable 5.1 and GPT-6.1 Sol on Rival?
This page shows a side-by-side comparison of Claude Fable 5.1 and GPT-6.1 Sol across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
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