Release dates
— Anthropic launched Claude Opus 4 and Claude Sonnet 4 together. ↗
Claude Sonnet 4
The balanced Claude 4 tier with stronger coding, reasoning, instruction following, and parallel tool use.
MODEL NUMBER073
- First public date
- 2025-05-22
- Organization
- Anthropic
- Family
- Claude
01
Specifications
Only published specifications are shown.
- Context
- 200,000 tokens
- Input modalities
- Text · Image
- Open weights
- No
- Status
- Legacy
02
Overview
03
Architecture & capabilities
Model capabilities
CodingTool useExtended thinking
04
Release history
Anthropic launched Claude Opus 4 and Claude Sonnet 4 together.
View source05
Related models
Select a card to view the related model.
06
Sources
Suggest a correction
Copy this template, add the field, proposed value, and primary source, and share it with the archive maintainer.