Best · Best open-weights AI model for coding — October 2026
Best open-weights AI model for coding — October 2026
As of Oct 14, 2026, GLM 5.3 & GLM 5.3 Flash are tied for state of the art in Coding, open weights (since Oct 6, 2026; sources Terminal-Bench 4.0; methodology v1.0).
Top 10
Ranks
Recent crowns
Last crown changes
- Oct 6, 2026 — Coding: GLM 5.3 and GLM 5.3 Flash are co-SOTA
Weights
Which benchmarks count
- Terminal-Bench 4.0 — primary, weight 1
- SWE-bench Pro V2 HARD — primary, weight 1
- LMArena Text (style-controlled, coding) — primary, weight 0.6
- Terminal-Bench 2.0 — secondary, weight 0.35
- Aider Polyglot — secondary, weight 0.35
- SWE-bench Verified — display, weight 0
Who is SOTA in Coding, open weights?
As of Oct 14, 2026, GLM 5.3 & GLM 5.3 Flash are tied for state of the art in Coding, open weights (since Oct 6, 2026; sources Terminal-Bench 4.0; methodology v1.0).
Since when is the Coding, open weights crown current?
The current crown in Coding, open weights has held since Oct 6, 2026.