Claude 3 Haiku
Released
Claude 3 Haiku is an AI model released by Anthropic on Monday, Mar 4 2024, 104 days after Claude 2.1. It has a 200k token context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.. Benchmark results (shown below) cover BullshitBench v2, and GPQA Diamond.
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Benchmarks
Reasoning & science
GPQA DiamondScience — Graduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better.
33.3%
#66 of 66Best: GPT-6 Astra · 96%
Robustness
BullshitBench v2Nonsense detection — Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better.
10%
#86 of 97Best: Claude Opus 4.8 · 95%
Compare Claude 3 Haiku with
Suggested comparisons
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Claude 3 Haiku was released by Anthropic on Monday, Mar 4 2024.
All Anthropic releases
30 tracked2026
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Claude Sonnet 5.5
Sep 28 2026
Claude Opus 5.5
Sep 22 2026
Claude Fable 5.1
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Claude Opus 5
Jul 24 2026
Claude Sonnet 5
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Claude Fable 5
Jun 9 2026
Claude Mythos 5
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Claude Opus 4.8
May 28 2026
Claude Opus 4.7
Apr 16 2026
Claude Sonnet 4.6
Feb 17 2026
Claude Opus 4.6
Feb 5 2026