Genspark and Baseten post-train open-weight Qwen3.5-397B to beat Opus 5.5 at deep research
baseten · x · 2026-11-11
Genspark and Baseten Applied Research post-trained an open-weight model starting from Qwen3.5-397B that scores 0.759 on Genspark's internal deep research eval, ahead of Opus 5.5 (0.738), Sonnet 5.5 (0.742), and well above the base model (0.612). It's now the default production model behind Genspark's Deep Research agent.
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