Free AI models this week: 28 Sept 2026 – 4 Oct 2026

This report is generated automatically from the public Arena leaderboard history. It covers open-weight models only.

Chat

Biggest moves among the top 30 free models:

• nvidia-nemotron-3-ultra-550b-a55b-nvfp4 up 2 to #14 (score 1445)
• glm-5.2-max up 1 to #4 (score 1470)
• glm-5.3-flash down 1 to #5 (score 1470)

Coding

Biggest moves among the top 30 free models:

• glm-5.3-max up 1 to #4 (score 1623)
• deepseek-v4.1-flash-max down 1 to #5 (score 1620)
• glm-5.1 up 1 to #13 (score 1508)

Vision

New free models this week:

• mimo-v2.6-pro: score 1264, #7 among free models
• mimo-v2.6-flash: score 1259, #9 among free models

Biggest moves among the top 30 free models:

• mistral-large-3 down 3 to #18 (score 1222)
• kimi-k2.5-instant down 2 to #10 (score 1254)
• minimax-m3 down 2 to #11 (score 1254)

Image edit

Biggest moves among the top 30 free models:

• flux-2-klein-9b up 1 to #5 (score 1225)
• flux-2-dev down 1 to #6 (score 1225)

Best free model in each category