FAST & FRUGAL · Anthropic

Claude Haiku 4.5

Claude Haiku 4.5 is a reasoning, tool-using model from Anthropic in the Claude family, living in Silvergrass Fields (fast & frugal). It reads text, files and images and writes text, with a 200K-token context window and up to 64K tokens of output. On OpenRouter it costs $1.00 per million input tokens and $5.00 per million output tokens.

See Claude Haiku 4.5 in 3D Open in the Worktable View on OpenRouter

Specifications

Provider: Anthropic
Family: Claude
Province: Silvergrass Fields
Context window: 200K tokens
Maximum output: 64K tokens
Input / 1M tokens: $1.00
Output / 1M tokens: $5.00
Accepts: text, files, images
Produces: text
Reasoning: Yes
Tool use: Yes
Added to OpenRouter: 2025-10-15
Model ID: anthropic/claude-haiku-4.5
Price history: —All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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