Input Price$1.00/1M tokens
Output Price$5.00/1M tokens
Intelligence37.1
Coding32.6
Specifications
Technical details and pricing.
ProviderAnthropic
Context WindowN/A
Release DateOct 15, 2025
ModalitiesText
Benchmarks
10 benchmark scores from Artificial Analysis.
GPQA67.2%
MMLU Pro76.0%
HLE9.7%
LiveCodeBench61.5%
AIME 202583.7%
SciCode43.3%
LCR70.3%
IFBench54.3%
Tau254.7%
TerminalBench Hard27.3%
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is Claude 4.5 Haiku (Reasoning) good for?
Claude 4.5 Haiku (Reasoning) currently has benchmark and pricing data on this page. OpenRouter runtime metadata will appear later when the provider listing becomes available.
How much does Claude 4.5 Haiku (Reasoning) cost?
Pricing is based on usage. Current rates are $1.00/1M tokens for input and $5.00/1M tokens for output.
Is Claude 4.5 Haiku (Reasoning) available on OpenRouter yet?
Not yet on this page. We will add chat and inference actions automatically once an exact OpenRouter listing exists for Claude 4.5 Haiku (Reasoning).
Does Claude 4.5 Haiku (Reasoning) support images or audio?
Claude 4.5 Haiku (Reasoning) focuses on text-based tasks.
Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.