Large Language ModelText GenerationClaude 4 Family

Claude Haiku 4.5

by AnthropicReleased 2025-10-01Proprietary

Context Window

200K

API Access

Available

Benchmark Performance

reasoning

reasoning

Massive Multitask Language Understanding

80.0%

coding

coding

HumanEval

85.0%

conversation

conversation

Chatbot Arena Elo

1399.0Elo

Other Claude 4 Models

Claude Opus 4.7 Claude Sonnet 4.6

Sources

docs.anthropic.com docs.anthropic.com