SpaceXAI
Grok 4.3
x-ai/grok-4.3
Input
$1.25
per 1M tokens
Output
$2.50
per 1M tokens
Cached input
$0.20
per 1M tokens
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...
- Released
- Context window
- 1M tokens
- Max output
- 900K tokens
- Input
- text, image, file
- Output
- text
- Reasoning
- Yes
Price history
No price changes since we started tracking on .
Providers on OpenRouter
4 endpoints serve this model. Uptime is OpenRouter's share of successful requests; prices per 1M tokens.
| Provider | Input | Output | Context window | Uptime 30 min | Uptime 24 h |
|---|---|---|---|---|---|
| xAIvendor's own | $1.25 | $2.50 | 1M | 93.3% | 99.17% |
| xAIzdrvendor's own | $1.25 | $2.50 | 1M | 90.0% | 96.9% |
| xAIpriorityvendor's owndiscount/priority tier | $2.50 | $5.00 | 1M | — | 100% |
| xAIzdr · priorityvendor's owndiscount/priority tier | $2.50 | $5.00 | 1M | — | 100% |