Claude 3 Haiku vs Claude Fable 5.1
Claude 3 Haiku is cheaper than Claude Fable 5.1 at $0.25/M vs $10/M input tokens.
Pokémon Battle UI Recreation
Pokémon battle screen you can actually click. One HTML file.
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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, newer, bigger context window. Claude 3 Haiku costs 40x less per token.
| Spec | Claude 3 Haiku | Claude Fable 5.1 |
|---|---|---|
| Input price | $0.25/M tokens | $10/M tokens |
| Output price | $1.25/M tokens | $50/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Mar 2024 | Sep 2026 |
| At 10M a month | $2.50 | $100 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Claude 3 Haiku
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 12 Oct 2026.
Common questions
What is the difference between Claude 3 Haiku and Claude Fable 5.1?
Both are developed by Anthropic but target different use cases. Claude 3 Haiku has a 200K token context window vs Claude Fable 5.1's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.
Which is better, Claude 3 Haiku or Claude Fable 5.1?
It depends on your use case. Claude 3 Haiku and Claude Fable 5.1 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 3 Haiku cost compared to Claude Fable 5.1?
Claude 3 Haiku costs $0.25/M input tokens and Claude Fable 5.1 costs $10/M input tokens. Claude 3 Haiku is $9.75/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 3 Haiku and Claude Fable 5.1 on Rival?
This page shows a side-by-side comparison of Claude 3 Haiku and Claude Fable 5.1 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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Same lab, same size, long tail
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