Anthropic

Claude Haiku 4.5

Multimodal

by Anthropic

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About

Claude Haiku 4.5, released by Anthropic in October 2025, is a fast, efficient large language model from the Claude 4.5 family optimized for high-throughput, low-latency workloads. It features a 200K token context window, 64K maximum output tokens, native image understanding, and extended thinking capabilities. Haiku 4.5 targets latency-sensitive applications such as real-time assistants, document classification, and lightweight agentic tasks where rapid response times are a primary requirement.

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Pricing Range
Input (per 1M)$1.00 -$1.00
Output (per 1M)$5.00 -$5.00
Providers3
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Timeline
ReleasedOct 1, 2025
Knowledge CutoffFeb 1, 2025
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Specifications
Capabilities
Multimodal
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License & Family
License
Proprietary
Performance Overview
Performance metrics and category breakdown

Overall Performance

2 benchmarks
Average Score
73.2%
Best Score
73.3%
High Performers (80%+)
0

Performance Metrics

Max Context Window
264.0K

Top Categories

Coding
73.3%
Science
73.0%
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All Benchmark Results for Claude Haiku 4.5
Complete list of benchmark scores with detailed information
SWE Bench Verified
Coding
73.30
73.3%
Unverified
GPQA Diamond
Science
73.00
73.0%
Unverified