Engineering Insights

Bun runtime on Vercel Functions

We now support as a , available in Public Beta. You can choose between Node.js and Bun for your project, configuring runtime behavior based on workload. We're working closely with the Bun team to bring this capability to production.Bunruntime option for Vercel Functions This flexibility allows you to choose what works best for your use case. Use Node.js for maximum compatibility or switch to Bun for compute-intensive applications that benefit from faster execution. Through internal testing, we'

Doppel’s AI defense system stops attacks before they spread

Doppel uses GPT-5 and reinforcement fine-tuning to stop deepfake and impersonation attacks, cutting analyst workloads by 80% and reducing response times from hours to minutes.

The next chapter of the Microsoft–OpenAI partnership

Microsoft and OpenAI sign a new agreement that strengthens its long-term partnership, expands innovation, and ensures responsible AI progress.

Built to benefit everyone

OpenAI’s recapitalization strengthens mission-focused governance, expanding resources to ensure AI benefits everyone while advancing innovation responsibly.

Node.js v22 to v24

Node.js v20 to v22

Node.js v16 to v18

Node.js v14 to v16