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Thinking Machines Lab releases Inkling, a 975B parameter open-weights model

simonwillison.net · 2026-07-18

Mira Murati's startup debuted its first model: a Mixture-of-Experts multimodal model with 41B active parameters, Apache-2.0 licensed, trained on 45 trillion tokens. The company explicitly states it is not a frontier model and is positioned as a base for fine-tuning.

“Inkling is "a Mixture-of-Experts transformer with 975B total parameters, 41B active" - an Apache-2.0 licensed multimodal model trained on 45 trillion tokens of text, images, audio and video.”

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Bears on: metaculus-weakly-general-ai-2028

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