# GPT-5.5 vs Mimo V2 Pro

As of Oct 15, 2026, GPT-5.5 leads Mimo V2 Pro in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

GPT-5.5: $11.25 per 1M blended tokens.

Mimo V2 Pro: price per 1M tokens is unset in the catalog.

GPT-5.5: closed weights.

Mimo V2 Pro: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.5 leads Mimo V2 Pro in General LLM at #22 against #74.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.5 leads Mimo V2 Pro in Reasoning at #26 against #65.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.5 leads Mimo V2 Pro in Coding › Web dev at #48 against #70.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.5 leads Mimo V2 Pro in Long context at #26 against #56.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.5 leads Mimo V2 Pro in Factuality at #5 against #77.

As of Oct 15, 2026, GPT-5.5 is near state of the art, rank #5 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).

As of Oct 15, 2026, Mimo V2 Pro is ranked #56 in Long context (since Oct 15, 2026; sources LMArena Text (style-controlled, longer query); methodology v1.0).