Thinking Machines Lab Unveils Inkling 2 Small, But Its Weights Remain Unreleased
Mira Murati's Thinking Machines Lab announced Inkling 2 Small on November 5, 2026, a 594-billion-parameter sparse mixture-of-experts model designed for long-running autonomous tasks, coding, and vision work. It scores 31 on the Artificial Analysis Intelligence Index, a gain of 18 points over the first-generation Inkling Small. Although the model is available only through the company's Tinker platform and Playground, the lab has said full Apache 2.0 weights will follow next week, contingent on completed external safety testing and red-teaming. Independent evaluators note that, if released, it would be the top-scoring open-weights model built outside China, with the caveat that no outside party has had extended hands-on access yet.
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