AIVIO News — The state of artificial intelligence, every day.

Top stories

Research

Researchers detail Mage-VL-Cowork, a 4B hybrid computer-use AI agent

The 4B-parameter model, called Mage-VL-Cowork, combines screen clicks, written code and terminal commands in one policy, scoring 66.0% on the OSWorld-Verified benchmark, researchers report.

  • Mage-VL-Cowork is a 4-billion-parameter computer-use AI agent trained through a five-stage curriculum of midtraining, SFT and RL.
  • The model scored 66.0% on the OSWorld-Verified benchmark, which the authors call state-of-the-art for its parameter size.
  • A synthetic data pipeline called Mage-CUA-Forge generated 293,806 desktop and web tasks across 6,915 skills.

Latest All stories →

Who is ahead right now All leaderboards →

Rank# Model Arena score
1 Gemini 4 Carbon (High) Google 1,540
2 Gemini 4 Argon (High) Google 1,529
3 Claude Opus 5.5 (High) Anthropic 1,516
4 Claude Fable 5.1 (Max) Anthropic 1,514
5 Claude Opus 5 (Max) Anthropic 1,508
Rank# Model Arena score
1 Claude Opus 5.5 (Max) Anthropic 1,810
2 GPT-6 Astra (Max) OpenAI 1,773
3 Claude Sonnet 5.5 (xHigh) Anthropic 1,770
4 Gemini 4 Carbon (High) Google 1,768
5 GPT-6.1 Sol (Max) OpenAI 1,751
Rank# Model Per 1M tokens
1 Mistral Nemo Mistral $0.029
2 Ling 3.0 Flash inclusionAI $0.032
3 gpt-oss-120b OpenAI $0.041
4 Nex-N2.5-Mini Nex AGI $0.044
5 GLM Flash Latest Z.ai $0.044

Updated 2026-11-02 · sources named on each board

By section