OpenAI: GPT-5 Nano
openai/gpt-5-nano
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Modalities
In / Out Price
$0.05 / $0.40 per 1M
Context
400K
Released
Aug 7, 2025
Knowledge Cutoff
May 2024
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
4
Best carrier, 30m
100.00%
Healthy now
4 / 4
| Provider | Status | Last 5m | Last 30m | Last day |
|---|---|---|---|---|
| OpenAI | Operational | 100.00% | 100.00% | 100.00% |
 Azure | Operational | 100.00% | 100.00% | 86.94% |
| OpenAI | Operational | 100.00% | 100.00% | 100.00% |
| Azure | Operational | — | 100.00% | 100.00% |