OpenAI: GPT-5.5
openai/gpt-5.5
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Modalities
In / Out Price
$5 / $30 per 1M
Context
1.1M
Released
Apr 24, 2026
Knowledge Cutoff
Dec 2025
Uptime
Share of successful requests per carrier, measured over the last 5 minutes, 30 minutes and day. When one carrier dips, the router fails over to the next.
Carriers
7
Best carrier, 30m
100.00%
Healthy now
7 / 7
| Provider | Status | Last 5m | Last 30m | Last day |
|---|---|---|---|---|
| OpenAI | Operational | — | — | 100.00% |
 Azure | Operational | 100.00% | 100.00% | 99.92% |
| OpenAI | Operational | 100.00% | 100.00% | 100.00% |
| Azure | Operational | — | — | 100.00% |
| Azure | Operational | — | — | 100.00% |
 Amazon Bedrock | Operational | — | — | — |
| OpenAI | Operational | — | — | 100.00% |