Anthropic: Claude Haiku 4.5
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.
Model Information
Pricing Information
Supported Parameters
Common Use Cases
Multimodal Tasks
- • Image analysis and description
- • Visual question answering
- • Document understanding
- • Content moderation
Image Generation
- • Creative artwork generation
- • Product visualization
- • Marketing materials
- • Concept art and design
General Applications
- • Chatbots and virtual assistants
- • Educational content creation
- • Research and analysis
- • Automation and workflow
Frequently Asked Questions
What is the context length of this model?
This model has a context length of 200K tokens, which means it can process and remember up to 200K tokens of text in a single conversation or request.
How much does it cost to use this model?
Prompt tokens cost $1.00M/1M tokens and completion tokens cost $5.00M/1M tokens.
What modalities does this model support?
This model supports text+image->text modality, accepting image and textas input and producing text as output.
When was this model created?
This model was created on October 15, 2025.