Vercel AI Updates: July 28, 2026

1. AI Gateway Adds Regional Inference

Vercel. Vercel added regional inference to the AI Gateway. Developers can set an inferenceRegion value on a request to pin it to the US or EU, giving teams control over where model inference runs for data residency and latency reasons. Source

2. AI Gateway Supports WebSocket Mode For The OpenAI Responses API

Vercel. The AI Gateway now supports WebSocket mode for the OpenAI Responses API, letting developers hold a persistent connection to the Responses API through the Gateway instead of issuing separate requests. Source

3. Kimi K3 And Kimi K3 Fast Arrive On AI Gateway

Vercel. Vercel added the Kimi K3 and Kimi K3 Fast models to the AI Gateway, served through US-based providers with Zero Data Retention support. The addition gives developers access to the models without provisioning a separate provider account. Source

4. Chat SDK Can Now Run Claude Managed Agents

Vercel. Vercel enabled Claude Managed Agents to run within the Chat SDK, so developers can wire Anthropic’s managed agents into a Chat SDK application and surface them across supported chat surfaces. Source

5. eve Adds Slack Event Hooks And Session Controls

Vercel. Vercel updated its eve agent with new Slack event hooks and session controls. The changes let a conversation continue without repeated mentions and add session management for handling ongoing agent interactions. Source

6. Vercel Publishes DeepsecBench For Security Vulnerability Detection

Vercel. Vercel published DeepsecBench, a benchmark that evaluates how well different AI models find cybersecurity vulnerabilities in code. The writeup reports per-model detection performance alongside cost analysis to help teams weigh accuracy against spend. Source