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AnthropicDiscovered Oct 16, 2026

Claude Haiku 5.5

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Provider endpoints0
Benchmark results8
Reasoning
Measured performance

Benchmark results

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LiveBench Overall ↗2.0 · 2026-10-14 (dataset 2026-09-02)
74.49%

Effort: max · single run · equal mean of 7 suites

Independent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)
82.2%

Effort: max · single run

Independent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)
73.7%

Effort: max · single run

Independent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)
88%

Effort: max · single run

Independent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)
84.5%

Effort: max · single run

Independent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)
56.6%

Effort: max · single run

Independent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)
84.6%

Effort: max · single run

Independent result
Access & cost

Prices across providers

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No listed provider price

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Model specifications

Developer
Anthropic
Modality
Language
Context
Not reported
Maximum output
Not reported
Weights
Not reported
First discovered
Oct 16, 2026

Exact identities

  • livebenchclaude-haiku-5.5

Sources

LiveBench ↗

Updated Oct 17, 2026

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