Anthropic
Claude Sonnet 4
Context Window
200K tokens
Speed Tier
Balanced — good speed with strong quality
Reasoning
No
Vision
Supported
Capabilities
conversationallong-contextcodevision
Best For
- ✓conversational — Natural dialogue and chat with strong tone preservation.
- ✓long context — Handling very large documents and extended conversations.
- ✓code — Code generation, debugging, and explanation across programming languages.
- ✓vision — Image analysis, description, and visual understanding.
Other Anthropic Models
Compare Claude Sonnet 4
Prompt Optimization Notes
Claude models excel with conversational, natural-language prompts. Provide context and let the model reason through responses. Avoid over-structuring — Claude preserves tone better with minimal formatting.