AnthropicClaude Haiku 4
Claude Haiku 4 is an Anthropic proprietary model. It is not yet ranked: 1 independent result so far, and the index needs at least five across two categories. It has been measured at 2 reasoning-effort settings; this summary describes the best-scoring one, and the tabs above switch between them.
- Blended price
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- Output speed
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- First answer
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- Context
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- Full answer
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- Cost per run
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- Released
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- date not published by our sources
- Reasoning63
Versions
Anthropic has shipped 6 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Claude Haiku 5.5xhigh | 7 Oct 2026 | 61.5 | #95 |
| Claude Haiku 4.5no reasoning | 15 Oct 2025 | 48.5 | #424 |
| Claude 3.5 Haiku | 4 Nov 2024 | 39.7 | #675 |
| Claude 3 Haiku | 7 Mar 2024 | 37.0 | #738 |
| Claude Haiku 3 | – | – | – |
| Claude Haiku 4thinkingthis page | – | – | – |
Reasoning-effort configurations
The same model behaves differently depending on how much it is allowed to think. Each row is one setting, scored only on the benchmarks that were run at that setting. “Not stated” collects results from publishers that did not say which setting they used; for a reasoning model that is usually its thinking mode, but we do not assume it. Pick a setting here or at the top of the page to see its price, speed and category scores.
| Effort | Index | Rank | Speed | First answer | Chat reply cost | Categories |
|---|---|---|---|---|---|---|
| thinkingbest | – | – | – | – | – | Reasoning 63 |
| not stated | – | – | – | – | – | Reasoning 51 |
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | thinking | not stated | Source |
|---|---|---|---|
| Kagi LLM Benchmark | 69.0%#31 | 55.2%#64 | Kagi LLM Benchmark |
More from Anthropic
See also
Questions people ask
- Why does Claude Haiku 4 have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Claude Haiku 4 has 1 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
Data as of 25 Oct 2026. Compare these configurations.
Cite as: BenchLeader, “Claude Haiku 4: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/claude-haiku-4.