Claude Opus 4.5 (batch)
Direct predecessor to Opus 4.6. Strong choice when you need Claude 4 behaviour without changing existing prompts and evals tuned to the 4.5 generation.
Claude Opus 4.5 (batch) is a multimodal AI model from Anthropic. It costs $2.500 per million input tokens and $12.500 per million output tokens (blended $5.500/M), with a 200,000-token context window.
Profile inherited from upstream Claude Opus 4.5 ↗ — this is a hosted variant of the same open-weights model.
- 1M-token context
- Stable for production pipelines
- Strong agentic coding
- Tool use & function calling
- Coding agents already tuned for 4.5
- Long-document analysis
- Stable production traffic
Benchmarks
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See all 18 →Frequently asked questions
How much does Claude Opus 4.5 (batch) cost?
Claude Opus 4.5 (batch) costs $2.500 per million input tokens and $12.500 per million output tokens, for a blended reference rate of $5.500 per million tokens.
What is Claude Opus 4.5 (batch)'s context window?
Claude Opus 4.5 (batch) supports up to 200,000 tokens of context in a single request.
What is Claude Opus 4.5 (batch) best for?
Claude Opus 4.5 (batch) is well suited to 1M-token context, Stable for production pipelines and Strong agentic coding.
Who makes Claude Opus 4.5 (batch)?
Claude Opus 4.5 (batch) is developed and served by Anthropic. It was released in Sep 2025.