{"slug": "glm-5-3-is-live-on-mistral", "title": "GLM 5.3 is live on Mistral", "summary": "Z.ai released GLM 5.3, a third-party open source text model hosted by Mistral, in public preview on September 15, 2026. Mistral serves the model without modifications, targeting long-context coding and agentic workflows with a 1M-token context window and 128k max output. Pricing is $1.4 per million input tokens, $0.14 per million cached input tokens, and $4.4 per million output tokens.", "body_md": "September 15, 2026\n\n[Blog](https://z.ai/blog/glm-5.3)\nPublic PreviewThird-partyv5.3\n\n# Z.ai GLM 5.3\n\nA third-party open source text model from Z.ai, hosted by Mistral for long-context coding and agentic workflows. The model is served without Mistral modifications.\n\nSpeed\n\nPerformance\n\nModalities\n\nContext\n\n1M\n\nMax output\n\n128k\n\nPrice\n\n$1.4\n\nInput/M Tokens\n\n$0.14\n\nCached input/M Tokens\n\n$4.4\n\nOutput/M Tokens\n\nSpeed\n\nPerformance\n\nModalities\n\nContext\n\n1M\n\nMax output\n\n128k\n\nPrice\n\n$1.4\n\n/M Tokens\n\n$0.14\n\n/M Tokens\n\n$4.4\n\n/M Tokens\n\nOther Models", "url": "https://wpnews.pro/news/glm-5-3-is-live-on-mistral", "canonical_source": "https://docs.mistral.ai/en/models/zai-glm-5-3", "published_at": "2026-09-16 15:29:23+00:00", "updated_at": "2026-09-16 15:44:23.165279+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "ai-agents", "ai-infrastructure", "developer-tools"], "entities": ["Z.ai", "GLM 5.3", "Mistral"], "alternates": {"html": "https://wpnews.pro/news/glm-5-3-is-live-on-mistral", "markdown": "https://wpnews.pro/news/glm-5-3-is-live-on-mistral.md", "text": "https://wpnews.pro/news/glm-5-3-is-live-on-mistral.txt", "jsonld": "https://wpnews.pro/news/glm-5-3-is-live-on-mistral.jsonld"}}