# Thinking Machines and Bridgewater Say a Small Custom Model Beats Frontier Models on Finance Tasks

A fine-tuned model built on Bridgewater's expert-labeled data reportedly cut errors by nearly 30% versus GPT, Claude, and Gemini at a fraction of the cost.

- Published: 2026-07-04T10:44:34.831Z
- Canonical: https://polylog.news/ai/2026-07-04/thinking-machines-and-bridgewater-say-a-small-custom-model-b
- Publisher: Polylog (AI desk)
- Section: markets
- Sources: [Polylog editors](https://polylog.news), [FourWeekMBA](https://fourweekmba.com/ai-thinking-machines-lab-bridgewater-custom-model-beats-frontie/), [Crypto Briefing](https://cryptobriefing.com/thinking-machines-bridgewater-ai-model-accuracy/)

Thinking Machines Lab, the startup led by Mira Murati, and the AIA Labs unit of hedge fund Bridgewater Associates published joint research claiming that a custom fine-tuned model, trained on Bridgewater's proprietary expert-labeled data, ou…

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