Claude Opus 4.5
Anthropic
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
What is Claude Opus 4.5?
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
Specifications
- Developer: Anthropic
- Context window: 200K tokens
- Max output: 64K tokens
- Input modalities: file, image, text
- Output modalities: text
- Input price: $5.00 per 1M tokens
- Output price: $25.00 per 1M tokens
- Knowledge cutoff: —
- Supported parameters: include_reasoning, max_tokens, reasoning, response_format, stop, structured_outputs, temperature, tool_choice, tools, top_k, verbosity
Use Claude Opus 4.5 with PromptLayer
PromptLayer lets teams manage, evaluate, and observe prompts that run on Claude Opus 4.5 alongside every other model in their stack. Version prompts, run evals across models, and ship safe rollouts from the same dashboard.
Ready to try it yourself? Sign up for PromptLayer and start managing your prompts in minutes.