Murati’s Thinking Machines Releases Open-Weights 975B Parameter LLM

Murati’s Thinking Machines Releases Open-Weights 975B Parameter LLM

Inkling

Open weights, ready to tinker

An efficient open model for text, images, and audio, available to fine-tune.

Model at a glance

975B total, 41B active

Parameters

Mixture of Experts

Architecture

1M tokens

A person cutting and serving a cheesy pizza with crispy potatoes, shot indoors.
Photo: Lucio Panerai / Pexels

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64K / 256K on Tinker

Text, Image, Audio

Input modalities

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A well-rounded, generalist model

Spider chart comparing Inkling, Nemotron 3 Ultra, GLM 5.2, GPT 5.6 Sol, and Claude Fable 5 on ten evaluations scored from zero to one hundred. Inkling is shown with the heavier cobalt line. Evaluations without a reported model score are plotted at zero. Hover an evaluation to compare every model’s score.

General intelligence

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Performs well across knowledge, math, and science.

Agentic coding & tools

Writes code and uses tools to get work done.

Audio & image input

Natively multimodal on input, and at the open-source frontier for speech.

Controllable effort

Freshly baked pepperoni and sausage pizza served on a rustic wooden table, perfect for a delicious meal.
Photo: ROMAN ODINTSOV / Pexels

Adjust thinking time to balance speed and performance.

Forecasting & confidence

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Makes predictions with well-calibrated confidence.

Instruction following

Handles detailed, multi-step instructions reliably.

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Ready to customize

Fine-tune Inkling for your domain on Tinker, our training platform.

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AdvertisementDon't Outlive Your Benefits — Long-Term Care insurance with unlimited LTC funds for as long as you live. Call 1-800-317-0625
AdvertisementDon't Outlive Your Benefits — Long-Term Care insurance with unlimited LTC funds for as long as you live. Call 1-800-317-0625