Grok 4.3
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $1.25
- Output, per 1M tokens
- $2.50
Memory
- Context window
- 1M tokens
- Longest answer
- 900K tokens
Abilities
- Reasoning
- Yes
- Reads images
- Yes
- Calls tools
- Yes
- Takes in
- text, image, file
- Gives back
- text
The model
- Lab
- SpaceXAI
- Model id
- x-ai/grok-4.3
- Released
- 30 Apr 2026
- Open weights
- No
