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Anthropic
Anthropic

Claude Haiku 5.5

Release Date 2026-10-07(Knowledge cutoff 2026-06)··1M IN · 128K OUTProprietary Model|API available
Overall3.5Top 17%
AutomationResearching
Office3.5Top 20%Coding3.5Top 22%
  1. 01ImagesGenerated images
  2. 02CostCost · Usage · Speed
  3. 03User CompareUser Comparisons
  4. 04Expert EvalExpert Performance Evaluation
  5. 05OpinionPublic Opinion
  6. 06Related Info

API cost

Provider price
$0.1IN$0.5OUT
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Collecting data

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SourceOpenRouterLast updatedOct 8, 2026

Output Speed

Very fastper 2,000 tokens
First Output1.5s
total17.3s
127tok/s
First Output 1.5stotal: 17.3s
SourceOpenRouterLast updatedOct 8, 2026

Expert Performance Evaluation

Overall performance

MoreAll overall performance AI rankings
QHow strong is it across many tests combined?AA Intelligence Index·Top 16%#18
43.4Reasoning effort: Max

About AA Intelligence IndexMore about AA Intelligence Index

Documents and office work

MoreAll documents and office work AI rankings
QCan it pull scattered facts from several long documents into one answer?Long Context Reasoning·Top 17%#19
82.7%Reasoning effort: Max

About Long Context ReasoningMore about Long Context Reasoning

Coding

MoreAll coding AI rankings
32.8%Reasoning effort: Max55.0%

About Terminal-Bench 4.0More about Terminal-Bench 4.0

Math and science

MoreAll math and science AI rankings
QCan it solve problems that stump experts across fields?Humanity's Last Exam·Top 19%#22
44.4%Reasoning effort: Max

About Humanity's Last ExamMore about Humanity's Last Exam

See each evaluation’s detail page for its source and last update·Data sources & removal requests

Related Info

Anthropic
PrivateAI Native
Anthropic
🇺🇸 San Francisco2021ARR $30B+$380B~1,200
Claude Sonnet 5.5Claude Opus 5.5Claude Fable 5.1Claude Opus 5Claude Sonnet 5