Anthropic's most capable model released May 2026. Hybrid reasoning model with a 1M token context window, stronger across coding, agentic tasks, and professional work over Opus 4.7. Features adaptive thinking via the effort parameter (defaults to high). Knowledge cutoff January 2026.
- Most capable Claude model for complex reasoning, long-horizon agentic coding, and high-autonomy work.
- 1M token context window with 128K max output for comprehensive analysis and extensive code generation.
- Adaptive thinking via configurable effort parameter (low/medium/high) for optimal cost-performance balance.
- Significant improvements in advanced software engineering, vision, and instruction following over Opus 4.7.
- Pricing is $5.00 per 1M input tokens and $25.00 per 1M output tokens.
Web Search
Search the web for current info.
Web Fetch
Fetch and read full content from any URL.
Code Execution
Run Python & Bash code in a sandbox.
JSON Mode
Output responses in valid JSON format.
Model Information
Supported Formats
Claude Opus 4.7Anthropic's most capable generally available model with a step-change improvement in agentic coding over Claude Opus 4.6. Features 1M token context window, 128K max output, and adaptive thinking. Knowledge cutoff January 2026.
Claude Opus 4.6Anthropic's most intelligent model released February 2026. Features 1M token context window and 128K max output. Built for deep reasoning, long-horizon agentic tasks, and complex multi-step coding workflows. Supports extended thinking and adaptive thinking modes.
Claude Sonnet 4.6Best balance of speed and intelligence released February 2026. Features 1M token context window with full upgrades across coding, computer use, long-context reasoning, and agent planning. Improved agentic search with lower token consumption.