This model is 22 months old. A newer version of it has since shipped: Claude Opus 5 (2026-07-24). The details below are still accurate for this model — it just is not what we would recommend today.
Claude 3.5 Sonnet
Anthropic🇺🇸 United States
Upgraded Claude 3.5 with computer use capability and improved instruction following.
Context window200K tokens
Input / 1M tokens$3
Output / 1M tokens$15
Version History
claude-3-5-sonnet-20241022major
Refreshed Claude 3.5 Sonnet with computer use capability in public beta. Major gains in agentic tool use and instruction following.
3.5minor
Claude 3.5 Sonnet delivers better-than-Opus performance capabilities while maintaining Sonnet-tier pricing and speed. Scores 49% on SWE-Bench Verified for coding tasks.
Benchmark Scores
Full leaderboard →78.0 tokens_per_sec
Speed (tok/s)