DEEP REASONING · Anthropic
Claude Opus 4.5
Claude Opus 4.5 is a reasoning, tool-using model from Anthropic in the Claude family, living in The High Peaks (deep reasoning). 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 $5.00 per million input tokens and $25.0 per million output tokens.
See Claude Opus 4.5 in 3DOpen in the WorktableView on OpenRouter
Specifications
- Provider
- Anthropic
- Family
- Claude
- Province
- The High Peaks
- Context window
- 200K tokens
- Maximum output
- 64K tokens
- Input / 1M tokens
- $5.00
- Output / 1M tokens
- $25.0
- Accepts
- text, files, images
- Produces
- text
- Reasoning
- Yes
- Tool use
- Yes
- Added to OpenRouter
- 2025-11-24
- Model ID
anthropic/claude-opus-4.5- Price history
- —All recorded prices
From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.
More Claude models
- Claude Sonnet 5.51M · $2.00 / $10.0
- Claude Opus 5.51M · $4.00 / $20.0
- Claude Fable 5.11M · $10.0 / $50.0
- Claude Opus 51M · $5.00 / $25.0
- Claude Sonnet 51M · $2.00 / $10.0
- Claude Fable 51M · $10.0 / $50.0
- Claude Opus 4.81M · $5.00 / $25.0
- Claude Opus 4.71M · $5.00 / $25.0
- Claude Sonnet 4.61M · $3.00 / $15.0
- Claude Opus 4.61M · $5.00 / $25.0
- Claude Sonnet 4.51M · $3.00 / $15.0
- Claude Opus 4.1200K · $15.0 / $75.0