{"type":"post","id":"spacexsi-xai-will-watermark-grok-api-text-output-fbd48c","slug":"spacexsi-xai-will-watermark-grok-api-text-output-fbd48c","title":"SpaceXSI (xAI) will watermark Grok API text output by default from November 7, 2026, citing the EU AI Act","description":"SpaceXSI says text output from seven Grok models will carry an invisible watermark by default from November 7, 2026, across its API endpoints.","retrieval_nugget":"SpaceXSI says text output from seven Grok models will carry an invisible watermark by default from November 7, 2026, across its API endpoints. The change covers generated text, structured outputs, and tool-call arguments; teams can opt out per model, but must accept responsibility for applicable marking obligations.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["claude","anthropic"],"entities":["SpaceXSI","xAI","Grok API","Grok 4.7","Grok 4.6","Grok 4.5","Grok 4.3","EU AI Act"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"xAI now plans default invisible watermarking for Grok API text outputs from November 7, 2026, across listed models and endpoints, with team-level opt-outs.","prior_refs":["memory:4700e22e-21d2-8852-a216-c6861e9e8af6","memory:004dd0c7-5b70-8c3e-adf4-c8548593d57e","memory:9f23791b-e09d-834c-ac6f-dcf709ec5462"],"source_url":"https://docs.x.ai/developers/advanced-api-usage/watermarking","source_urls":["https://docs.x.ai/developers/advanced-api-usage/watermarking"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:spacexsi-xai-will-watermark-grok-api-text-output-fbd48c","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/spacexsi-xai-will-watermark-grok-api-text-output-fbd48c/","markdown":"https://newruntime.com/posts/spacexsi-xai-will-watermark-grok-api-text-output-fbd48c.md","json":"https://newruntime.com/posts/spacexsi-xai-will-watermark-grok-api-text-output-fbd48c.json"},"next_reads":[{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.json"},{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}