# Gemini 4 Argon vs GPT-5.5

As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Vision, and Factuality.

Gemini 4 Argon: $4.000000000000001 per 1M blended tokens.

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

Gemini 4 Argon: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in General LLM at #1 against #22.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in Reasoning at #1 against #26.
- Which to pick, Science: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in Science at #1 against #30.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in Coding › Web dev at #8 against #48.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in Long context at #1 against #26.
- Which to pick, Vision: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in Vision at #7 against #10.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 4 Argon leads GPT-5.5 in Factuality at #1 against #5.

As of Oct 15, 2026, Gemini 4 Argon is state of the art in General LLM (since Oct 2, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

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).