Mira Murati, former Chief Technology Officer (CTO) at OpenAI, started (February 2025) her own AI company called Thinkig Machines Lab. The company was in a “stealth mode” (working in secrecy to protect the intellectual property). The company was just launched on October 1, 2025, called Thinker. Notably, Tinker is a powerful tool for AI, which can be used to make AI by anyone (from researchers to hobbyists). So, how can one build and customise advanced AI models with Tinker?
What Is Tinker?
Making advanced AI models is a difficult process and requires:
- Huge amounts of computing power with lots of GPUs working together.
- Several kinds of software tools.
- Constant monitoring and a team to make sure the training goes well.
Tinker is a powerful AI tool that helps anyone to build and fine-tune AI models:
- Tinker is specialised in simplifying this process, as it automates most of the hard, technical aspects of AI.
- The users can focus more on what they want their AI to do because their messy backend is taken care of.
Who Is It For?
- Researchers
- Developers
- Even hobbyists (tech enthusiasts who want to experiment with AI)
So, anyone who wants to play with or create advanced AI without needing a giant tech company’s resources and computers can do so.
Who’s Behind “Tinker”?
- Mira Murati (ex-OpenAI CTO, now founder of Thinking Machines Lab).
- John Schulman (former OpenAI employee, also co-founder).
- The rest of the team comprises former OpenAI researchers who contributed to the development of ChatGPT.
Why Is It Important?
Democratisation of AI
- Apparently, only companies like OpenAI, Google, Meta, or big universities can train custom AI models.
- However, with Tinker, even smaller labs, startups, or individuals can achieve this.
Accessibility + Control
- Some Beta testers said that Tinker is more user-friendly than other tools.
- You don’t lose control because you can still manage your data and the algorithm. However, you don’t need to handle any of the super-technical “distributed training.”
Innovation Potential
Tinker helps to create AI models for specific tasks, like:
- Solving math problems
- Drafting legal documents
- Answering medical questions
One doesn’t need massive infrastructure, framework or a big engineering team to do this anymore.
“We believe Tinker will help empower researchers and developers to experiment with models and make frontier capabilities much more accessible to all people, said, Mira Murati.”
Nitin Konde
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