# Claude Sonnet 5.5 vs Trinity Large Thinking

As of Oct 14, 2026, Claude Sonnet 5.5 leads Trinity Large Thinking in 4 of 4 shared categories: General LLM, Reasoning, Coding › Web dev, and Factuality.

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

Trinity Large Thinking: $0.3875 per 1M blended tokens.

Claude Sonnet 5.5: closed weights.

Trinity Large Thinking: open weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Sonnet 5.5 leads Trinity Large Thinking in General LLM at #27 against #145.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Sonnet 5.5 leads Trinity Large Thinking in Reasoning at #18 against #142.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads Trinity Large Thinking in Coding › Web dev at #3 against #103.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Sonnet 5.5 leads Trinity Large Thinking in Factuality at #16 against #119.

As of Oct 14, 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 14, 2026, Trinity Large Thinking is ranked #103 in Coding › Web dev (since Oct 14, 2026; sources LMArena WebDev; methodology v1.0).