webAI released a formal reasoning model family, TwIL, that's worth a look if you're doing verification pipelines
This story is from 2026-09-02. It is preserved in the archive; the latest stories are on the live feed.
webAI's TwIL family has three formal logic models: TwIL-LM (1.7B PEFT LoRA), TwIL-LM2 (1.7B merged), and TwIL-LM3 (3B). All three do formal logic translation and verification, each with different trade-offs. The 3B is the one getting the most attention because it beats gpt-oss-120b on 4 of 5 formal…
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- 2026-09-02 21:26 · r/learnmachinelearning
webAI released a formal reasoning model family, TwIL, that's worth a look if you're doing verification pipelines
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