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Model record / OpenAI
gpt-5.5-pro
Access gpt-5.5-pro from OpenAI through one OpenAI-compatible API with live market-linked pricing and usage-based billing.
Text generationVision inputReasoningStreaming30% below list
What you pay
Current catalog rates.
Input / 1M tokens$37.50 list$26.25
Output / 1M tokens$225.00 list$157.50
Cached input / 1M tokens$3.9375
Current discount30%
Observed reliability
39.36
Successful provider-reaching requests
Output speed
—
At a glance
- Provider
- OpenAI
- Model ID
- gpt-5.5-pro
- Type
- Text generation
- Endpoint
- /v1/chat/completions
- Vision input
- Supported
- Video input
- Not supported
- Reasoning
- Supported
- Streaming
- Supported
Send a request
Time zone
gpt-5.5-pro
Growing confidenceThis model averaged 30.0% below comparable direct provider prices across the selected range. Its strongest observed window was 11:00 PM–9:00 PM in UTC.
Last 24 hours
Average saved
30.0%
Last 24 hours
Cheapest time
11:00 PM–9:00 PM
30.0% average savings
Hourly coverage
23/24
23 total observations
Signal quality
Growing
Ready for planning
Typical unit savings$11.25 / 1M input tokens$67.50 / 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
#57
of 60 ranked models
Last 7 days
#30
of 60 ranked models
Last 30 days
#36
of 60 ranked models