Leanstral 1.5 beat GPT-6 Astra on ArXivLean, a user reports
The user credits “a lot of grinding” and a little K3 orchestration, while flagging a possible error in the token count.
TLDR
A user says Leanstral 1.5, described as a 6B model, beat GPT-6 Astra on ArXivLean through “a lot of grinding” and a little orchestration from K3. They also suspect the token count is incorrect. In a September 11, 2026 reply, they said they planned to swap K3 for a different model.
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