All models
Grok 4.5
x-ai/grok-4.5
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Modalities
Text
Image
File
In / Out price
$2.00 / $6.00 per 1M
Context
500K
Released
Jul 8, 2026
Providers
Live list prices and uptime across 4 providers serving this model.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output | Uptime 24h |
|---|---|---|---|---|---|---|
| xAI | $2.00 | $6.00 | $0.30 | 500K | — | 98.78% |
| xAI | $4.00 | $12.00 | $0.60 | 500K | — | 98.78% |
| xAI | $2.00 | $6.00 | $0.30 | 500K | — | 98.78% |
| xAI | $4.00 | $12.00 | $0.60 | 500K | — | 98.78% |
No implicit prompt caching; cache reads require explicit cache control.
Capabilities
Tool calling
Reasoning
frequency_penalty
include_reasoning
logprobs
max_tokens
presence_penalty
reasoning
reasoning_effort
response_format
seed
stop
structured_outputs
temperature
tool_choice
top_logprobs
top_p
Pricing detail
- Input
- $2.00
- Output
- $6.00
- Cache read
- $0.30
- Cache write
- —
USD per 1M tokens.