Tendem
Mini toolsSERA 32B
By Ai2
SERA-32B is the first and strongest model in the Open Coding Agents series. Built on Qwen 3-32B and distilled from GLM-4.6 using Soft Verified Generation, it edits real repositories with a 32K context window and achieves roughly 49.5% resolve rate on SWE-bench Verified, matching Devstral-Small-2 (24B) and GLM-4.5-Air (110B). Data generation plus training cost is reported at about 40 GPU-days, making it a relatively cheap, fully open coding agent for research and advanced code automation.
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Overview
SERA-32B is Ai2’s flagship 32B Open Coding Agent, a Qwen 3-32B based repository-level coding model trained with Soft Verified Generation that reaches about 49.5% on SWE-bench Verified, rivaling much larger proprietary systems.
About Ai2
We are a Seattle based non-profit AI research institute founded in 2014 by the late Paul Allen. We develop foundational AI research and innovation to deliver real-world impact through large-scale open models, data, robotics, conservation, and beyond.
Website:
allenai.org
Last updated: January 28, 2026
