Microsoft Fara1.5 browser computer-use agents
Key Questions
What models are included in the Fara1.5 family?
Fara1.5 includes open-source browser computer-use agents in 4B, 9B, and 27B parameter sizes, all trained with a synthetic data pipeline and safety features.
How does Fara1.5 perform compared to competitors on web browsing benchmarks?
The 27B model scores 72% on Online-Mind2Web, outperforming OpenAI Operator at 58.3% and Gemini 2.5 Computer Use at 57%.
What makes Fara1.5 notable in AI agent development?
It is a family of open-source agents focused on browser computer use that surpasses leading closed models from OpenAI and Google while incorporating safety features.
Microsoft releases Fara1.5 family (4B/9B/27B open-source agents) outperforming OpenAI Operator and Gemini 2.5 Computer Use on Online-Mind2Web (27B at 72%). Includes synthetic data pipeline and safety features.
Sources (2)
Updated May 22, 2026