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Mira Murati’s Thinking Machines releases Inkling, its first model, with open weights

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Thinking Machines Lab, founded by former OpenAI chief technology officer Mira Murati, released Inkling, an open-weights mixture-of-experts model with 975 billion parameters (about 41 billion active) trained on 45 trillion tokens of text, image, audio and video, with text output and adjustable thinking effort, under the Apache 2.0 licence.

Why it matters

A well-funded US start-up chose open weights for its first model, adding a large US entrant to a field led by Chinese open releases.

When
15 Jul 2026
ID
WTA-N-2026-0222
Who
Thinking Machines Lab; Mira Murati

Summary by wheresthe.ai, from TechCrunch. Checked against the source on 10 Oct 2026.

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Earlier in this Storyline: What led hereNVIDIA releases Nemotron 3 Ultra with open weights, data and training recipes

Cite this story

WTA-N-2026-0222: “Mira Murati’s Thinking Machines releases Inkling, its first model, with open weights.” wheresthe.ai, 15 Jul 2026. https://wheresthe.ai/d/us-thinking-machines-inkling-open-2026-07/ (source: TechCrunch).

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