GPT-5.5 Pro
openai/gpt-5.5-proInputOutput
Compare its 2 providersIncident RSSCompare with GPT-5.6 Luna Pro, GPT-5.6 Sol Pro, GPT-5.6 Terra Pro
CompareGPT-5.5 Pro
- No data24h 100%
- 7d
- 100%
- 30d
- 100%
- p50
- 3.19s
- p99
- 223s
- Throughput
- 13 tps
- Context
- 1.1M
- $/Mtok
- $30.00 / $180.00
openai - No data24h —
- 7d
- —
- 30d
- —
- p50
- —
- p99
- —
- Throughput
- —
- Context
- 1.1M
- $/Mtok
- $15.00 / $90.00
openai/flex
Measured 3m ago. Latency and throughput are OpenRouter's rolling 30-minute windows.
History
Availability
Axis starts at 90% so small differences stay visible; it expands to 0 when an endpoint falls below.
Time to first token
Logarithmic axis — the fleet spans two orders of magnitude. P50 is OpenRouter's rolling 30-minute window, averaged over the hour.
Throughput
Median tokens per second.
Daily availability
One row per endpoint · one dot per day · last 90 days.
worst hour ≥ 95%90–95%< 90%no data
Colour by each endpoint's worst hour of each UTC day · 2 endpoints · 48 days with data, none below the red threshold.