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Fara1.5 27B

microsoft/Fara1.5-27B
Open Source · chat · open-weights
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Context
262.1K
Max output
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Weights
Open
API $/1M
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Modalities
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Released
17 Jul 2026
License: mit · microsoft/Fara1.5-27B
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AI summary
● machine-written

Fara1.5-27B: Open-weight computer use agent for browser automation

Fara1.5-27B is a 27-billion parameter computer use agent model built on Qwen3.5 and trained for browser-based task completion. It achieves 72.3% on Online-Mind2Web benchmark, outperforming larger proprietary systems. The model operates via an observe-think-act loop and is available as open-weight under MIT license.

What's new
  • Three model sizes released: 4B, 9B, and 27B variants
  • Fara1.5-27B scores 72.3% on Online-Mind2Web, exceeding proprietary competitors
  • Trained on FaraGen1.5 pipeline with synthetic domains for gated task completion
  • Supports browser actions, web search, and context management operations
  • Weights publicly available on Hugging Face under MIT license
Best for
Complex browser-based task automationForm filling and data entry workflowsCross-site comparison and information gatheringDeployment on modest hardware with open weights
Sources

Source: https://huggingface.co/microsoft/Fara1.5-27B