Claude Opus 6
Anthropic Opus flagship frontier, focusing on long-range reasoning, long-term autonomous agent and "honest" self-calibration
Anthropic
Claude Opus 5
Anthropic's new-generation Opus flagship model launched in July 2026 features million-level context and super agentic coding. It is officially called the world's strongest programming model, approaching the capabilities of Fable 5 at about half the price.
Anthropic Claude Opus 4.8
Anthropic's flagship multi-modal reasoning model released in May 2026, focusing on long-range agent programming, million-level context and higher honesty