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Anthropic flagship Claude 5.5 model featuring always-on adaptive thinking, 1M context, and ~40% higher cost-efficiency than Opus 5.

The most capable autonomous intelligence system engineered by Anthropic, restricted to Project Glasswing participants.

The ultimate model for demanding reasoning and long-horizon agentic work, featuring 0.025x cache reads ($0.25/MTok).

Z.AI’s premier flagship model, delivering a 50% performance gain on Code Bench and matching Claude Mythos 5 in cybersecurity and vulnerability discovery.

The premier enterprise flagship model for multi-hour autonomous coding, complex system engineering, and vision-heavy agent tasks.

Anthropic’s fifth-generation workhorse, combining 1M context with adaptive thinking on by default at a lower $2/$10 price point.

Limited-availability autonomous intelligence model delivering breakthrough problem-solving across scientific and technical disciplines.

Fifth-generation Claude architecture engineered specifically for multi-hour autonomous agent workflows and deep research.

The pinnacle of the Claude 4 generation, serving as the universal recommended replacement for legacy Claude 2 and Claude 3 Opus.

The first Opus model with 1,000,000 tokens of context and 128,000 tokens of maximum output generation.

Engineered for long-horizon tasks, able to work independently for up to 8 hours in a single run, aligned with Claude Opus 4.6.

A preview of Anthropic’s next-generation autonomous reasoning system with 1M context, deployed for frontier safety evaluation.