Claude 4.7 Opus
Anthropic · April 2026
⚠ deprecatedCloseddecoder onlymultimodalAPI Available
Context Window1M tokens
Description
Iterative update focused on reliability — more consistent reasoning, fewer hallucinations (made-up facts), and higher-resolution image understanding. Added new cybersecurity safeguards for responsible use.
Key Innovations
Constitutional AI
Constitutional AIAnthropic's approach to AI safety where the model critiques and revises its own outputs against a set of principles.
Reasoning
ReasoningStructured step-by-step problem solving, often using chain-of-thought or tree-of-thought approaches.
Agentic
AgenticModels that can autonomously plan, execute multi-step tasks, use tools, and self-correct without human intervention.