Thinking Machines Lab

[San Francisco, California, USA][founded 2025][backed by Andreessen Horowitz, NVIDIA; $2B raised]thinkingmachines.ai

Founded in 2025 in San Francisco by former OpenAI CTO Mira Murati, Thinking Machines Lab has raised $2 billion from backers including Andreessen Horowitz and NVIDIA. The lab focuses on frontier model training and building customisable, steerable AI platforms, positioning itself as an independent challenger to the OpenAI/Anthropic/Google triad.

Models by Thinking Machines Lab (1)

Inkling

Thinking Machines

Open-weight 975B MoE (41B active) with native reasoning, multimodal understanding, and fine-tuning via the Tinker platform. Apache 2.0 licensed.

Context Length1,048,576

ArchitectureSparse Mixture of Experts (MoE)

Release Date2026-07-15

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