Mistral and All Hands release open agentic coding model Devstral
Mistral and All Hands AI released Devstral Small 2505 under Apache 2.0 for repository-scale software engineering through agent scaffolds such as OpenHands and SWE-Agent.
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Why it moved the index
Apache-licensed weights optimized for multi-file agentic software work diffuse consequential coding autonomy into local, private and modifiable deployments.
Assessment history
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R1
Toward 55 · confidence 96
New exact open agentic coding model with no durable identity or event collision.
12 Aug 2026
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DoomBench assesses “Mistral and All Hands release open agentic coding model Devstral” as evidence moving toward doom, with magnitude 55 and confidence 96 out of 100 in the autonomy and agency category.
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The DoomBench assessment of “Mistral and All Hands release open agentic coding model Devstral” is based on reporting from Mistral AI and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “Mistral and All Hands release open agentic coding model Devstral” as follows: Mistral and All Hands AI released Devstral Small 2505 under Apache 2.0 for repository-scale software engineering through agent scaffolds...
https://www.doombench.com/news/mistral-and-all-hands-release-open-agentic-coding-model-devstral-2025-05-21