{"slug": "grok-4-1-fast-deprecated", "title": "Grok 4.1 Fast deprecated", "summary": "XAI's Grok 4.1 Fast model, listed as xai/grok-4.1-fast-non-reasoning on Google Vertex, has been marked deprecated with no announced retirement date, according to a provider announcement on models.dev. The model was released on 2025-11-19 and supports text and image input with a 128k context window and 30k maximum output. The deprecation notice directs developers to a tool that scans repositories for models on a deprecation clock.", "body_md": "GG◑ Deprecating\n\n# Grok 4.1 Fast\n\nGoogle · xai/grok-4.1-fast-non-reasoning\n\nReleased2025-11-19\n\nRetiresno announced date\n\ngroktext+image128k context30k max out\n\nalso matches: \n\n`xai/grok-4.1-fast-non-reasoning`` google/xai/grok-4.1-fast-non-reasoning`\n[provider announcement →](https://models.dev/google-vertex/xai/grok-4.1-fast-non-reasoning)\n\nDoes your code call Grok 4.1 Fast?\n\n$ curl -fsSL https://llmstatus.ai/install.sh | bash\n\nThen `mm status` in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.\n\n[Get alerted before it retires →](/sign-up)", "url": "https://wpnews.pro/news/grok-4-1-fast-deprecated", "canonical_source": "https://llmstatus.ai/m/google/google/xai/grok-4.1-fast-non-reasoning", "published_at": "2026-09-10 18:00:07+00:00", "updated_at": "2026-09-11 08:34:13.731977+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "ai-tools", "generative-ai"], "entities": ["xAI", "Grok 4.1 Fast", "Google", "Google Vertex", "models.dev", "llmstatus.ai"], "alternates": {"html": "https://wpnews.pro/news/grok-4-1-fast-deprecated", "markdown": "https://wpnews.pro/news/grok-4-1-fast-deprecated.md", "text": "https://wpnews.pro/news/grok-4-1-fast-deprecated.txt", "jsonld": "https://wpnews.pro/news/grok-4-1-fast-deprecated.jsonld"}}