How Braintrust turns customer requests into code with Codex
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Braintrust engineers use Codex with GPT‑5.5 to turn customer feature requests into preview branches in minutes and expand the scope of engineering experiments.
Key facts
- Braintrust engineers use Codex with GPT‑5.5 to turn customer feature requests into preview branches in minutes and expand the scope of engineering experiments
- For founder and CEO Ankur Goyal, the biggest change is not faster coding
- With Codex, its engineers can now take customer feature requests and create preview branches to show working ideas to customers in minutes
- With Codex, the Braintrust team can integrate iteration into its development workflow rather than letting requests sit and wait
Summary
Braintrust is the observability and eval platform for shipping quality AI products. With Codex, its engineers can now take customer feature requests and create preview branches to show working ideas to customers in minutes. In one month, half of the Braintrust team moved to Codex. “It sounds simple, but Codex can print more text in the terminal without getting slow, and other models can’t replicate that,” says Goyal.