SpaceXAI
Grok 4.5
x-ai/grok-4.5
Input
$2.00
per 1M tokens
Output
$6.00
per 1M tokens
Cached input
$0.30
per 1M tokens
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
- Released
- Context window
- 500K tokens
- Max output
- 450K 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 | $2.00 | $6.00 | 500K | 100% | 100% |
| xAIzdrvendor's own | $2.00 | $6.00 | 500K | 100% | 100% |
| xAIpriorityvendor's owndiscount/priority tier | $4.00 | $12.00 | 500K | — | — |
| xAIzdr · priorityvendor's owndiscount/priority tier | $4.00 | $12.00 | 500K | — | — |