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Claude Haiku 4.5
Claude Haiku 4.5
Anthropic · Mid tier
Claude Haiku 4.5
A
Anthropic
mid
Release Date: Oct 1, 2025
1404
Arena Elo
55
GPQA
90
HumanEval
82
MMLU
Try Claude Haiku 4.5
Specifications
Context Window
200K tokens
Max Output
64K tokens
Input Price
$1 per million
Output Price
$5 per million
Release Date
October 1, 2025
Tier
Mid
Capabilities
vision
tool-use
code
extended-thinking
Benchmarks
Arena Elo
1404
MMLU
82
GPQA
55
HumanEval
90
Cost Estimate
Input Tokens
500K
Output Tokens
100K
Estimated Cost
$1.0000
Input: $0.5000
Output: $0.5000
Related Models
A
Claude Opus 4.6
Anthropic · Elo 1496
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A
Claude Sonnet 4.6
Anthropic · Elo 1470
frontier
A
Claude Opus 4.5
Anthropic · Elo 1467
frontier
A
Claude Sonnet 4.5
Anthropic · Elo 1450
frontier
Compare With
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Claude Haiku 4.5 vs Claude Sonnet 4.6