Claude Opus 4.6 is an Anthropic Claude model release announced on February 5, 2026. Anthropic describes it as an upgrade to its smartest model with improved coding, agentic task performance, larger-codebase reliability, code review and debugging skills, and a 1M-token context window in beta; it was made available on claude.ai, the Claude API, and major cloud platforms with API model ID claude-opus-4-6.
Pricing
Anthropic lists prompt caching rates for Claude Opus 4.6 as $6.25/MTok for 5-minute cache writes, $10/MTok for 1-hour cache writes, and $0.50/MTok for cache hits and refreshes. Standard Claude API global pricing; docs also note Claude 4.6 and later models using inference_geo="us" apply a 1.1x pricing multiplier.
Anthropic's official pricing documentation lists Claude Opus 4.6 at $5 per million base input tokens and $25 per million output tokens, with all prices stated in USD. The official models overview also lists Claude Opus 4.6 as available and confirms the same $5/$25 per MTok pricing; it states current Claude models support text and image input with text output, so modality is recorded as multimodal.