# Vercel GLM 5.3 Flash now available on AI Gateway - Product: Vercel (https://whatsnew.fyi/product/vercel) - Vendor: Vercel - Date: 2026-08-26 - Original notes: https://vercel.com/changelog/glm-5-3-flash-now-available-on-ai-gateway - Permalink: https://whatsnew.fyi/product/vercel/releases/2026-08-26-glm-5.3-flash-now-available-on-ai-gateway What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- GLM 5.3 Flash from Z.ai is now available on AI Gateway. GLM-5.3 Flash is a multimodal model that supports text and vision input, with a 1M token context window. It supports function calling, structure… - **added** — GLM 5.3 Flash from Z.ai is now available on AI Gateway with support for text and vision input, 1M token context window, and function calling