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Bridgewater Associates: 13.8x lower cost per task, with higher accuracy than the best frontier model

Bridgewater Associates (investment management, ~1,000+ employees) reported this on 30 Jun 2026 in company self-report (source). It belongs to the learning loop layer.

What they built

A Qwen3-235B model fine-tuned on Tinker with investor-labelled data to do six daily information-filtering tasks (e.g. which news matters to a macro investor).

The result

Accuracy 84.7% vs 78.2% for the best frontier model (29.8% fewer mistakes) at 13.8x lower inference cost per task; frontier models averaged ~50% with simple prompts and stayed under 80% with expert prompts.

The number covers six internal tasks on a held-out test set; Bridgewater's own evaluation.

“An explicit prompt can only convey the intuition an expert is able to put into words,” Bridgewater Associates said.

The layer: The learning loop

Reviewed corrections are kept as test cases and later used to train models.

  • A log of every correction and who reviewed it
  • Eval sets that grow from reviewed corrections
  • New versions, then post-trained models, from that signal

Read the guide to the learning loop.

Playbooks that use this case

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