PulseAugur
EN
LIVE 14:29:35

Microsoft's 4B Mage-VL-Cowork agent outperforms Claude Sonnet 4.5

By PulseAugur Editorial · [1 sources] ·

Microsoft has released Mage-VL-Cowork, a 4 billion parameter agent model capable of performing GUI actions or executing shell commands. This model achieves a score of 66.0% on the OSWorld-Verified benchmark, surpassing Claude Sonnet 4.5 and other open-source models. Mage-VL-Cowork utilizes a Qwen3-4B-Instruct-2507 language backbone and Microsoft's Mage-ViT vision encoder, and can be run locally on GPUs with 8GB or 16GB of VRAM. AI

IMPACT This model's ability to perform GUI actions and code execution locally could accelerate the development of more capable AI agents.

RANK_REASON Microsoft released a new agent model with benchmark performance data. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Microsoft's 4B Mage-VL-Cowork agent outperforms Claude Sonnet 4.5

How we ranked this

Signal score
1 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
Microsoft released a new agent model with benchmark performance data. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
2 days old
Coverage has settled into its steady-state source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Alan West ·

    How to Run Mage-VL-Cowork Locally: Microsoft's 4B Agent Beats Sonnet 4.5

    <p>Microsoft's Mage-VL-Cowork is a 4B computer-use model that scores 66.0% on OSWorld-Verified. That's ahead of Claude Sonnet 4.5 (62.9%, and Sonnet got twice the step budget) and of an open 72B model that manages 44.9%. The BF16 weights are 9.48 GB and the license is Apache-2.0,…

RELATED ENTITIES

RELATED TOPICS