Claude Opus 4 AI Model
Anthropic
Claude Opus 4 is an AI model from Anthropic. Anthropic's most powerful model optimized for Claude Code. Exceptional at autonomous coding, multi-step reasoning, and research.
Context Window
200K tokens
Free to Use
Paid
Runs Locally
Cloud only
GPU Required
No
Is Claude Opus 4 free?
Claude Opus 4 is not listed as a fully free model. Review Anthropic's current pricing or use the related free and local models below.
Can Claude Opus 4 run locally?
Claude Opus 4 is a cloud model, so requests run through Anthropic or a compatible API provider rather than entirely on your computer.
Best uses for Claude Opus 4
- ✓writing, explaining, reviewing, and debugging code
- ✓multi-step reasoning, planning, math, and analytical tasks
- ✓working with long documents, repositories, and conversations
How to evaluate Claude Opus 4 for your workflow
Start with the work you need to complete. Based on its listed capabilities, Claude Opus 4 is best considered for writing, explaining, reviewing, and debugging code, multi-step reasoning, planning, math, and analytical tasks, working with long documents, repositories, and conversations. Test it with a few examples from your real workflow instead of choosing only from benchmark scores.
Claude Opus 4 runs through Anthropic or a compatible cloud service. Check account requirements, regional availability, request limits, data handling, and current API pricing before relying on it for production work.
The listed 200K tokens context window indicates how much text the model can consider in one request. Leave room for instructions and the answer when uploading documents, code, or long conversations. Compare the expected request volume with a free or local alternative before paying.