# GPT-5.4 vs Mimo V2.5

As of Oct 15, 2026, GPT-5.4 leads Mimo V2.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

GPT-5.4: $5.625 per 1M blended tokens.

Mimo V2.5: $0.17500000000000002 per 1M blended tokens.

GPT-5.4: closed weights.

Mimo V2.5: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.4 leads Mimo V2.5 in General LLM at #30 against #97.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.4 leads Mimo V2.5 in Reasoning at #32 against #82.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.4 leads Mimo V2.5 in Coding › Web dev at #60 against #66.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.4 leads Mimo V2.5 in Long context at #40 against #79.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.4 leads Mimo V2.5 in Factuality at #6 against #85.

As of Oct 15, 2026, GPT-5.4 is a former state-of-the-art holder in General LLM (since Apr 10, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, Mimo V2.5 is ranked #66 in Coding › Web dev (since Oct 15, 2026; sources LMArena WebDev; methodology v1.0).