Claude Haiku 5.5
by Anthropic · ID claude-haiku-5-5 · Released 2026-10 · Proprietary
1425
ELO Score
-
MMLU
-
HumanEval
N/A
Context Window
$0.10
Input Price
About Claude Haiku 5.5
The smallest and cheapest model of Anthropic's Claude 5.5 family, announced alongside Sonnet 5.5 and released in October 2026. $0.10 input / $0.50 output per million tokens for prompts up to 100,000 tokens; longer prompts cost $0.50 / $2.50. Cache hits $0.01. Prices checked 29 October 2026. Arena text score 1425 (Claude Haiku 5.5 (High), 7,890 votes), leaderboard of 27 October 2026.
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