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Claude Haiku 4.5API
Claude Haiku 4.5 (Anthropic): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for Claude Haiku 4.5, measured by Artificial Analysis. Higher is better. Measurement mode: Reasoning.
About this model
Claude Haiku 4.5 is a commercial AI model by Anthropic. The specifications below are tracked automatically: pricing is refreshed hourly from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
Frequently asked questions
What is Claude Haiku 4.5?
Claude Haiku 4.5 is an AI language model from Anthropic. It is a proprietary model, available through an API. It scores 29.6 on the Artificial Analysis intelligence index.
Is Claude Haiku 4.5 free?
Claude Haiku 4.5 is not free: it costs $1 per million input tokens and $5 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is Claude Haiku 4.5 good at?
Independent benchmarks from Artificial Analysis give it GPQA 67.2%, MMLU-Pro 76%, Humanity's Last Exam 9.7%, Long Context Reasoning 70.3%, LiveCodeBench 61.5%, SciCode 43.3%, AIME 2025 83.7%, IFBench 54.3%, τ²-Bench 54.7%, τ-Bench Banking 9.1%, Terminal-Bench 44.2%, Terminal-Bench Hard 27.3%. It is particularly used for code generation.
How fast is Claude Haiku 4.5?
It generates about 144.1 tokens per second, with a median 11.56s delay before the first token. Measured independently by Artificial Analysis.