Shipping code faster with o3, o4-mini, and GPT-4.1
CodeRabbit ships o3 and o4-mini integration. Developers now merge PRs 40% faster with AI-powered reviews.

Why it matters
OpenAI's latest models (o3, o4-mini, GPT-4.1) are moving beyond benchmarks into production developer tools. CodeRabbit's deployment shows real-world ROI for code review automation—a concrete use case that investors and CTOs need to track.
The key facts
5 to knowModels deployed: o3, o4-mini, GPT-4.1
Use case: AI-powered code review automation via CodeRabbit
Business outcome: Faster PR merges, reduced bugs, higher developer ROI
Published: May 22, 2025 (recent)
Source: OpenAI official announcement
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: CodeRabbit uses OpenAI models to revolutionize code reviews—boosting accuracy, accelerating PR merges, and helping developers ship faster with fewer bugs and higher ROI.