megachangelog
Feature

Flags as code in Next.js

Vercel introduced a new Flags SDK that enables feature flags in Next.js and SvelteKit, compatible with any feature flag provider or standalone use. It helps developers follow best practices for feature flags and experiments while maintaining website performance.

We recently introduced a new that allows using feature flags, in Next.js and SvelteKit, and works with any feature flag provider—or when using no flag provider at all. It's not meant to be a competitor to other feature flag providers. Instead, it’s a tool that sits between your application and the source of your flags, helping you follow best practices for using feature flags and experiments, keeping your website fast. Flags SDK

Follow along below to get started with the Flags SDK, beginning with a simple feature flag to more sophisticated cases, discussing tradeoffs along the way.

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feature-flagsnext.jssdkexperimentsfeature-management

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Feature

OpenAI Decisions API now available on AI Gateway

OpenAI's Decisions API is now accessible through Vercel's AI Gateway with an OpenAI-compatible endpoint, enabling decision models to answer typed questions and return probabilities, choices, and scores for routing, triage, and guardrails use cases. Support is available across the OpenAI SDK, AI SDK, HTTP API, and CLI with the latest versions.

ai-gatewayopenaiapidecisionssdks
Feature

Timestamp attributes now supported in Vercel Flags

Vercel Flags now supports timestamp attributes for entities, allowing you to create time-based targeting rules. Use this feature to run limited-time campaigns, show content between specific dates, or target users based on registration date.

flagstargetingfeaturetimestampscampaigns
Feature

Glyph Cluster now available in stealth on AI Gateway

Glyph Cluster, a reasoning model for coding and long-context analysis, is now available as a stealth model on Vercel's AI Gateway for Pro and Enterprise plan teams with purchased AI Gateway credits at no cost during the stealth period. The model supports function calling, streams responses, and can be accessed via AI SDK, OpenAI-compatible APIs, and coding agents.

ai-gatewaymodelscodingstealth
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