A
Claude 4 Sonnet
Model Release
Anthropic
Claude 4 Sonnet launched by Anthropic. Latest Sonnet with improved reasoning and tool use.
AI Release Timeline
Track model launches, capability updates, pricing changes, and benchmark milestones across the AI industry.
2025
A
Claude 4 Opus
Model Release
Anthropic
Claude 4 Opus launched by Anthropic. Anthropic flagship for the most demanding tasks.
A
Claude 4 Haiku
Model Release
Anthropic
Claude 4 Haiku launched by Anthropic. Next-gen Haiku with Claude 4 intelligence at low cost.
A
Claude 3.7 Sonnet
Model Release
Anthropic
Claude 3.7 Sonnet launched by Anthropic. Sonnet with extended thinking for harder problems.