Anthropic: Claude Haiku 4.5: Pricing, Context Window & Benchmarks
by Anthropic
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and computer-use tasks, Haiku 4.5 brings frontier-level capability to real-time and high-volume applications. It introduces extended thinking to the Haiku line; enabling controllable reasoning depth, summarized or interleaved thought output, and tool-assisted workflows with full support for coding, bash, web search, and computer-use tools. Scoring >73% on SWE-bench Verified, Haiku 4.5 ranks among the world’s best coding models while maintaining exceptional responsiveness for sub-agents, parallelized execution, and scaled deployment.
What you can do with Anthropic: Claude Haiku 4.5
Everyday Q&A and clear explanations
Writing help (emails, posts, summaries)
Idea generation and brainstorming
Learning support with step-by-step guidance
Benchmarks not available
This model isn't listed on Artificial Analysis yet. Showing OpenRouter specs below.
| Metric | Value |
|---|---|
| Provider | Anthropic |
| Context Window | 200,000 tokens |
| Input Price | $1.00/1M tokens |
| Output Price | $5.00/1M tokens |
| Release Date | Oct 15, 2025 |
| Modalities | image, text |
| Capabilities | Function Calling, Structured Outputs, JSON Mode, Vision |
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Frequently asked questions
What is Anthropic: Claude Haiku 4.5 good for?
Use Anthropic: Claude Haiku 4.5 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Anthropic: Claude Haiku 4.5 cost?
Pricing is based on usage. Current rates are $1.00/1M tokens for input and $5.00/1M tokens for output.
Can I try Anthropic: Claude Haiku 4.5 for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Anthropic: Claude Haiku 4.5 support images or audio?
Anthropic: Claude Haiku 4.5 can understand images.
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Pricing, context, and capability data are sourced from OpenRouter.
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