Grok 4.3
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
The figures
- Made by
- SpaceXAI
- Model ID
- x-ai/grok-4.3
- Input
- $1.25 per million tokens
- Output
- $2.5 per million tokens
- Context window
- 1M tokens
- Longest answer
- 900K tokens
- Takes in
- text, image, file
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 30 Apr 2026
Read on 3 Oct 2026.