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Model record / xAI
grok-4.5
Access grok-4.5 from xAI through one OpenAI-compatible API with live market-linked pricing and usage-based billing.
Text generationVision inputReasoningStreaming15% below list
What you pay
Current catalog rates.
Input / 1M tokens$2.00 list$1.70
Output / 1M tokens$6.00 list$5.10
Cached input / 1M tokens$0.30 list$0.255
Current discount15%
Requests above 199,999 input tokens use $3.40 input and $10.20 output per 1M tokens.
Observed reliability
99.71
Successful provider-reaching requests
Output speed
55.7
Median tokens per second over sustained generations
p95 first token (ms)
21,602
p50 4796 ms · total p95 86397 ms
Evidence strength
—
established
At a glance
- Provider
- xAI
- Model ID
- grok-4.5
- Type
- Text generation
- Endpoint
- /v1/chat/completions
- Vision input
- Supported
- Image editing
- Not supported
- Video input
- Not supported
- Reasoning
- Supported
- Streaming
- Supported
- Context window
- 500,000 tokens
- Maximum output
- 500,000 tokens
Send a request
Pricing history
See how much this model saves and when its recorded price has been lowest.
Time zone
grok-4.5
Growing confidenceThis model averaged 33.3% below comparable direct provider prices across the selected range. Its strongest observed window was 5:00 AM–2:00 AM in UTC.
Last 24 hours
Average saved
33.3%
Last 24 hours
Cheapest time
5:00 AM–2:00 AM
35.0% average savings
Hourly coverage
24/24
24 total observations
Signal quality
Growing
Ready for planning
Typical unit savings$0.67 / 1M input tokens$2.00 / 1M output tokens
When this model is cheapest
Each bar is the average discount for that hour in UTC (UTC). Missing bars mean no observation was recorded.
ObservedCheapestNo data
Hover a bar for savings per token and observation counts.
Source buckets are UTC; labels are converted to UTC.
Last 24 hours
#49
of 94 ranked models
Last 7 days
#50
of 94 ranked models
Last 30 days
#34
of 96 ranked models
Ready when you are
Stop paying list price for tokens.
Marketplace pricing, capped at list, optimized further.
