For complex agentic coding and enterprise work. A step-change over Claude Opus 4.8 in deep reasoning, agentic and long-horizon tasks, and test-time compute scaling.
Anthropic models
Access 11 Anthropic models through the Oxyy unified API including Claude Opus 5, Claude Sonnet 5, Claude Sonnet 4.6. Compare pricing, context windows and capabilities between Anthropic models.
Anthropic tokens processed on Oxyy· daily, UTC
Models 11
The best combination of speed and intelligence in the Claude lineup.
Legacy Sonnet model. The first Sonnet with the full 1M token context window at standard pricing.
Previous-generation Opus model with adaptive thinking. Anthropic recommends migrating to Claude Opus 5.
The fastest Claude model with near-frontier intelligence.
Legacy Opus model. The first Opus with the full 1M token context window at standard pricing.
Legacy Opus model with adaptive thinking and the xhigh effort level for long-running agentic and coding tasks.
Anthropic's most capable model, for demanding reasoning and long-horizon agentic work.
Legacy Sonnet model with a 200K token context window and extended thinking.
Previous-generation Fable-tier model for demanding reasoning and long-horizon agentic work. Superseded by Claude Fable 5.1.
Legacy Opus model with extended thinking and a 200K context window.


