Anthropic's fast, affordable thinking model. Use claude-haiku-4-5 in AdaL for quick coding tasks where speed matters more than deep reasoning.
Get StartedRun /model and pick Claude Haiku 4.5 · $1/M input · $5/M output
Key capabilities and pricing
The quickest Anthropic model with thinking capabilities at the lowest price point.
Lightweight reasoning with a 1K thinking budget — enough for straightforward coding tasks.
Analyze images and screenshots alongside code.
Ideal for simple edits, explanations, and rapid prototyping.
200K token context window for most development workflows.
The most affordable Anthropic thinking model.
Available in AdaL CLI and Desktop through the model selector
Use the coding environment where AdaL already understands your repo, tools, and task context.
Open the model selector and choose your model from the list.
Ask AdaL to inspect, plan, edit, test, and review with your chosen model powering the agent loop.
Key details about Claude Haiku 4.5
"Use Haiku 4.5 when you need quick answers and simple edits without Opus-tier cost."
AdaL
"Fastest Anthropic model — ideal for rapid iteration."
Speed
"At $1/M input, it is 5x cheaper than Sonnet and 10x cheaper than Opus."
Pricing
"Available now in AdaL CLI and Desktop."
Availability
Open AdaL CLI or Desktop, run /model, and choose Claude Haiku 4.5.
Get Started with AdaL