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

Murati's Thinking Machines released Inkling, an open-weights 975B parameter mixture-of-experts LLM supporting text, images, and audio input with a 1M token context window. The model is designed for general intelligence, agentic coding, and fine-tuning on the company's Tinker platform, positioning it as a frontier open-source multimodal model.

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 Context window 64K / 256K on Tinker Text, Image, Audio Input modalities A well-rounded, generalist model General intelligence 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 Adjust thinking time to balance speed and performance. Forecasting & confidence Makes predictions with well-calibrated confidence. Instruction following Handles detailed, multi-step instructions reliably. Ready to customize Fine-tune Inkling for your domain on Tinker, our training platform.