# Thinking Machines Lab: what I've logged

> Thinking Machines Lab comes up in 3 posts of my AI log, from September 2025 to July 2026, and each item below links to the primary source. The releases I logged include Inkling-Small, Inkling and Announcing Tinker, filed under robotics, open weights and image, video, world.

## Items

1. **Inkling-Small** (Thinking Machines Lab, 27 Jul 2026): The smaller Inkling is 276B total and 12B active, takes text, image and audio, and ships in BF16 and NVFP4 under Apache 2.0. [Primary source](https://thinkingmachines.ai/news/inkling-small/) · [Post](https://heyaliasif.com/ai/2026-07-27-week-in-ai#item-4)
2. **Inkling** (Thinking Machines Lab, 13 Jul 2026): The lab's first model is Apache 2.0, 975B total and 41B active parameters, with a 1M-token window and text, image and audio input. [Primary source](https://huggingface.co/thinkingmachines/Inkling) · [Post](https://heyaliasif.com/ai/2026-07-13-week-in-ai#item-3)
3. **Announcing Tinker** (Thinking Machines Lab, 29 Sept 2025): An API for fine-tuning open models where you control the training loop and the lab runs the infrastructure. [Primary source](https://thinkingmachines.ai/blog/announcing-tinker/) · [Post](https://heyaliasif.com/ai/2025-09-29-week-in-ai#item-7)

## Posts

- 2026-07-27 [Gemini Robotics 2, plus Korean labs open 700B-class models](https://heyaliasif.com/ai/2026-07-27-week-in-ai)
- 2026-07-13 [Grok 4.5 lands, Kimi K3 and Inkling open up huge models](https://heyaliasif.com/ai/2026-07-13-week-in-ai)
- 2025-09-29 [Claude Sonnet 4.5, Sora 2, and DeepSeek's sparse attention](https://heyaliasif.com/ai/2025-09-29-week-in-ai)

Canonical: https://heyaliasif.com/ai/topics/thinking-machines-lab