Claude Opus 4.6 Arrives
Anthropic has released its latest flagship model, Claude Opus 4.6, positioned as the most intelligent model for agent building and coding.
Key Features
Industry-Leading Coding Performance
Claude Opus 4.6 achieves top scores on coding benchmarks, with significant improvements in complex multi-file editing, architecture design, and debugging.
Expanded Output and Context
Maximum output has been expanded to 128K tokens (up from 32K in Opus 4). A beta 1M token context window is also available.
Extended Thinking and Adaptive Thinking
In addition to Extended Thinking, a new Adaptive Thinking mode has been introduced. It automatically adjusts reasoning depth based on problem complexity without requiring budget_tokens.
API Access
The API ID is claude-opus-4-6, available on all platforms (Claude API, AWS Bedrock, Google Vertex AI).
Pricing
Input: $5 / million tokens, Output: $25 / million tokens. While more expensive than Sonnet 4.6, it may be more cost-effective for complex tasks that require fewer interactions.
Summary
Claude Opus 4.6 represents major progress especially in agent development and coding. Try it for projects demanding the highest quality.