# Claude Sonnet 5.5 vs DeepSeek V3.2

As of Oct 15, 2026, Claude Sonnet 5.5 leads DeepSeek V3.2 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.

DeepSeek V3.2: $0.39425 per 1M blended tokens.

Claude Sonnet 5.5: closed weights.

DeepSeek V3.2: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Sonnet 5.5 leads DeepSeek V3.2 in General LLM at #27 against #85.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Sonnet 5.5 leads DeepSeek V3.2 in Reasoning at #18 against #79.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Sonnet 5.5 leads DeepSeek V3.2 in Coding › Web dev at #3 against #93.
- Which to pick, Long context: As of Oct 15, 2026, Claude Sonnet 5.5 leads DeepSeek V3.2 in Long context at #11 against #82.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Sonnet 5.5 leads DeepSeek V3.2 in Factuality at #16 against #71.

As of Oct 15, 2026, Claude Sonnet 5.5 is tied for state of the art in Coding (since Oct 6, 2026; sources Terminal-Bench 4.0; methodology v1.0).

As of Oct 15, 2026, DeepSeek V3.2 is ranked #71 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).