What Codex Unlocks for Braintrust
Summary
Braintrust CEO Ankur Goyal demonstrates how OpenAI Codex enables his team to generate 100 feature prototypes in the time it previously took to build one, turning Slack requests into customer-testable previews within 10 minutes.
View Cached Full Text
Cached at: 04/21/26, 03:32 PM
Similar Articles
How Braintrust turns customer requests into code with Codex
Braintrust uses OpenAI's Codex with GPT-5.5 to turn customer feature requests into preview branches in minutes, enabling real-time iteration and faster feedback loops.
Introducing Codex
OpenAI launches Codex, a cloud-based AI software engineering agent powered by codex-1 (optimized o3), capable of writing features, fixing bugs, and proposing pull requests with parallel task execution. Available to ChatGPT Pro, Business, Enterprise users today, with Plus and Edu support coming soon.
Codex is now generally available
OpenAI announces general availability of Codex with three new features: Slack integration for delegating tasks, Codex SDK for embedding in workflows, and admin tools for workspace management. GPT-4-Codex usage has grown 10x since August with over 40 trillion tokens served in three weeks.
How business operations teams use Codex
OpenAI Academy shares practical prompts and workflows for using Codex to accelerate common business operations tasks like drafting initiative briefs, leadership updates, and decision packets.
Harness engineering: leveraging Codex in an agent-first world
OpenAI describes an internal experiment building a production software product with zero manually-written code using Codex agents, achieving approximately 10x faster development with 1.5M lines of code written by AI in five months. The team learned that effective agent-driven development requires engineers to focus on systems design, scaffolding, and feedback loops rather than writing code directly.