{"slug": "glm-5-3-flash-now-available-on-ai-gateway", "title": "GLM 5.3 Flash now available on AI Gateway", "summary": "Vercel's AI Gateway now offers GLM 5.3 Flash from Z.ai, a multimodal model supporting text and vision input with a 1M token context window. The model supports function calling, structured output, and streaming, and can be used in coding agents like Claude Code, Codex, OpenCode, Cursor, and Pi via the setup command. AI Gateway provides a unified API with no markup on provider pricing and no platform fee on inference, including BYOK requests.", "body_md": "[GLM 5.3 Flash from Z.ai](https://vercel.com/ai-gateway/models/glm-5.3-flash) is now available on AI Gateway.\n\nGLM-5.3 Flash is a multimodal model that supports text and vision input, with a 1M token context window. It supports function calling, structured output, and streaming. To use GLM-5.3 Flash, set `model`\n\nto `zai/glm-5.3-flash`\n\n:\n\nYou can also pass images alongside text in a message. URLs and Base64 data URLs both work, and a request can include multiple images:\n\nTo use it in a [coding agent](https://vercel.com/docs/ai-gateway/coding-agents), run `vercel ai-gateway coding-agents setup`\n\nto connect agents like Claude Code, Codex, OpenCode, Cursor, Pi, and more, then select `zai/glm-5.3-flash`\n\ninside the agent.\n\nTry [GLM-5.3 Flash](https://vercel.com/ai-gateway/models/glm-5.3-flash) in the model playground.\n\nAI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime. It includes built-in [custom reporting](https://vercel.com/changelog/custom-reporting-ai-gateway), [Zero Data Retention support](https://vercel.com/blog/zdr-on-ai-gateway), [budgets for API keys](https://vercel.com/docs/ai-gateway/authentication-and-byok/api-keys), [routing rules](https://vercel.com/docs/ai-gateway/models-and-providers/routing-rules), and more.\n\nAI Gateway reflects provider pricing with no markup and does not charge a platform fee on inference, including on [Bring Your Own Key](https://vercel.com/docs/ai-gateway/authentication-and-byok/byok) (BYOK) requests. [View all language models](https://vercel.com/ai-gateway/models?type=text) on AI Gateway.", "url": "https://wpnews.pro/news/glm-5-3-flash-now-available-on-ai-gateway", "canonical_source": "https://vercel.com/changelog/glm-5-3-flash-now-available-on-ai-gateway", "published_at": "2026-08-26 00:00:00+00:00", "updated_at": "2026-08-26 15:16:45.921930+00:00", "lang": "en", "topics": ["ai-products", "ai-infrastructure", "generative-ai", "large-language-models"], "entities": ["Vercel", "Z.ai", "GLM 5.3 Flash", "AI Gateway", "Claude Code", "Codex", "OpenCode", "Cursor"], "alternates": {"html": "https://wpnews.pro/news/glm-5-3-flash-now-available-on-ai-gateway", "markdown": "https://wpnews.pro/news/glm-5-3-flash-now-available-on-ai-gateway.md", "text": "https://wpnews.pro/news/glm-5-3-flash-now-available-on-ai-gateway.txt", "jsonld": "https://wpnews.pro/news/glm-5-3-flash-now-available-on-ai-gateway.jsonld"}}