← All models

Claude Sonnet 4.5

claude-sonnet

Balanced Claude model for coding, analysis, agent workflows, and cost control

Family
claude-sonnet
Providers
10
Context
200,000
Output
64,000
Knowledge
2025-07-31
Weights
Closed
Input
textimagepdf
Output
text
Release date
2025-09-29
Updated
2025-09-29

Providers

Source: models.dev