# GPT-5.4 Nano vs Mimo V2.6 Pro

As of Oct 14, 2026, GPT-5.4 Nano leads Mimo V2.6 Pro in 0 of 4 shared categories.

GPT-5.4 Nano: $0.4625 per 1M blended tokens.

Mimo V2.6 Pro: $0.54375 per 1M blended tokens.

GPT-5.4 Nano: closed weights.

Mimo V2.6 Pro: open weights.

- Which to pick, General LLM: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in General LLM at #22 against #114.
- Which to pick, Reasoning: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Reasoning at #21 against #109.
- Which to pick, Long context: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Long context at #18 against #120.
- Which to pick, Factuality: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Factuality at #8 against #98.

As of Oct 14, 2026, GPT-5.4 Nano is ranked #43 in Abstraction (ARC) (since Oct 14, 2026; sources ARC-AGI; methodology v1.0).

As of Oct 14, 2026, Mimo V2.6 Pro is tied for state of the art in General LLM (since Oct 13, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).