TPSTokens Per Second

Claude Sonnet 4

Anthropic🇺🇸 United States
deprecated

Launched alongside Claude Opus 4 as the balanced Claude 4 model. Hybrid instant/extended-thinking responses; later gained a 1M-token context beta. Superseded by Sonnet 4.5.

Compare with other models →
Context window200K tokens
Input / 1M tokens$3
Output / 1M tokens$15

Version History

claude-sonnet-4-launchmajor

Claude Sonnet 4 launches. Launched alongside Claude Opus 4 as the balanced Claude 4 model. Hybrid instant/extended-thinking responses; later gained a 1M-token context beta. Superseded by Sonnet 4.5.

Benchmark Scores

Full leaderboard →
10.3%
Hallucination Rate