# Best AI model per dollar for reasoning — October 2026

As of Oct 14, 2026, Gemini 4 Argon & Gemini 3.8 Flash & GLM 5.3 & Mimo V2.6 Pro & DeepSeek V4.1 Flash & Mimo V2.6 Flash & Hy3 & DeepSeek V4 Flash are tied for state of the art in Reasoning, best per dollar (tracked since Oct 14, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

Leading, crown pending confirmation: GLM 5.3 Flash.

Category board: https://isitsota.com/c/reasoning?slice=pareto

## Top 10

- #1 Gemini 4 Argon
- #1 Gemini 3.8 Flash
- #1 GLM 5.3
- #1 Mimo V2.6 Pro
- #1 DeepSeek V4.1 Flash
- #1 Mimo V2.6 Flash
- #1 Hy3
- #1 DeepSeek V4 Flash
- #2 Claude Opus 4.6
- #3 Claude Fable 5

## Crown changes


## Weights

- Humanity's Last Exam: primary, weight 1
- GPQA Diamond: primary, weight 1
- LMArena Text (style-controlled, hard prompts): primary, weight 1
- LiveBench: secondary, weight 0.35