Grok 4.3

xai/grok-4.3

xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk

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Context window: 1M
Input: Document · Image · Text
Output: Text
Released: 2026-04-17

Max output: 30K
Weights: Closed
Capabilities: Attachments, Reasoning, Structured, Temperature, Tool call

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Performance

Overall capability

46.5/100

Coding: 40.4
Reasoning: 56.0
Professional work: 37.9
Knowledge & language: 51.2


BullshitBench v2	Knowledge & language	BullshitBench	2026-11-05
Terminal-Bench 4.0 (AA rerun)Grok 4.3 (Non-reasoning)	Coding	Artificial Analysis	2026-11-05
Vibe Code Bench v1.1	Coding	Vals AI	2026-11-05
ProgramBench	Coding	Vals AI	2026-11-05
AA-LCRGrok 4.3 (Medium)	Knowledge & language	Artificial Analysis	2026-11-05
AA-Analyst AgentGrok 4.3 (High)	Professional work	Artificial Analysis	2026-11-05
IFBench（Artificial Analysis）Grok 4.3 (Medium)	Knowledge & language	Artificial Analysis	2026-11-05
AA-Briefcase	Professional work	Artificial Analysis	2026-11-05

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ModelRegistry · Catalog updated 2026-11-05