Grok 4.1 Fast adds fully autonomous agent tools
SpaceXAI released Grok 4.1 Fast with a two-million-token context and an API that lets it independently use web search, X search, code execution, documents, and MCP tools.
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Why it moved the index
Production API access to a model that selects and chains search, code, document, and external tools directly increases scalable autonomous action.
Assessment history
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R1
Toward 45 · confidence 82
New historical record from SpaceXAI's dated model and Agent Tools API launch.
11 Aug 2026
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DoomBench assesses “Grok 4.1 Fast adds fully autonomous agent tools” as evidence moving toward doom, with magnitude 45 and confidence 82 out of 100 in the autonomy and agency category.
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The DoomBench assessment of “Grok 4.1 Fast adds fully autonomous agent tools” is based on reporting from SpaceXAI and records the editorial rationale, source quality, attribution, and revision history.
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DoomBench summarizes “Grok 4.1 Fast adds fully autonomous agent tools” as follows: SpaceXAI released Grok 4.1 Fast with a two-million-token context and an API that lets it independently use web search, X search, code execution,...
https://www.doombench.com/news/grok-4-1-fast-adds-fully-autonomous-agent-tools-2025-11-19