OpenAI: GPT-5.4
openai/gpt-5.4
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
Modalities
In / Out Price
$2.50 / $15 per 1M
Context
1.1M
Released
Mar 5, 2026
Knowledge Cutoff
—
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
6 / 7
| Provider | Status | Last 5m | Last 30m | Last day |
|---|---|---|---|---|
| OpenAI | Degraded | 50.00% | 75.00% | 67.50% |
 Azure | Operational | 100.00% | 100.00% | 100.00% |
| OpenAI | Operational | 100.00% | 100.00% | 100.00% |
| Azure | Operational | — | — | — |
| Azure | Operational | 100.00% | 100.00% | 100.00% |
 Amazon Bedrock | Operational | — | — | — |
| OpenAI | Operational | — | — | 100.00% |