# Best AI model per dollar for long context — October 2026

As of Oct 15, 2026, Gemini 4 Argon & Gemini 3.8 Flash & Mimo V2.6 Pro & GLM 5.3 Flash & DeepSeek V4.1 Flash & Mimo V2.6 Flash & DeepSeek V4 Flash are tied for state of the art in Long context, best per dollar (since Oct 15, 2026; sources LMArena Text (style-controlled, longer query); methodology v1.0).

Category board: https://isitsota.com/c/long-context?slice=pareto

## Top 10

- #1 Gemini 4 Argon
- #1 Gemini 3.8 Flash
- #1 Mimo V2.6 Pro
- #1 GLM 5.3 Flash
- #1 DeepSeek V4.1 Flash
- #1 Mimo V2.6 Flash
- #1 DeepSeek V4 Flash
- #2 Claude Opus 4.6
- #3 Claude Fable 5
- #4 Claude Opus 4.7

## Crown changes

- Oct 15, 2026 — Long context (best per dollar): DeepSeek V4.1 Flash and DeepSeek V4 Flash and Gemini 3.8 Flash and Gemini 4 Argon and GLM 5.3 Flash and Mimo V2.6 Flash and Mimo V2.6 Pro are co-SOTA

## Weights

- Fiction.liveBench 120k: primary, weight 1
- LMArena Text (style-controlled, longer query): primary, weight 0.7