Grok 4.3
by xAI
Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requir
Models
Grok 4.3
Added 10 July 2026
Overview
Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
How to use / API access
Call via OpenRouter with model id `x-ai/grok-4.3`.
- openrouter ·
x-ai/grok-4.3Docs
OpenRouter id: x-ai/grok-4.3
Benchmarks
- Intelligence Index (artificial-analysis): 24.9 index
- Coding Index (artificial-analysis): 42.2 index
- Agentic Index (artificial-analysis): 15.5 index
- Design Arena agenticgamedev (other): 1007 elo · #24
- Design Arena agentichtmlslides (other): 1066 elo · #9
- Design Arena agenticslides (other): 1072 elo · #9
- Design Arena agenticslides(html) (other): 1066 elo · #9
Notes
Grok 4.3 is listed in the EDNA Models directory from the OpenRouter catalogue.
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