Anthropic
Model timelines and latest releases from Anthropic.
Model timelines
Release history per model from this vendor. Click any marker for the version page.
Hollow markers open release pages. Scroll horizontally for older releases; labels stay fixed on the left.
Models
Claude Opus
AI Model
Latest: 4.8
Anthropic's most capable model for complex reasoning, coding, and agentic tasks.
View model versionsClaude Sonnet
AI Model
Latest: 5
Anthropic's balanced model offering strong performance at a lower cost than Opus.
View model versionsClaude Mythos
AI Model
Latest: Mythos
Rumored Anthropic frontier-class Claude model discussed in prediction markets and tech media; not officially announced.
View model versionsClaude Haiku
AI Model
Latest: 4.5
Anthropic's fastest Claude model line, tuned for low latency and high throughput on everyday tasks.
View model versions