OpenAI: GPT-5 Nano
openai/gpt-5-nano
openaiTool callingReasoningImage input
Input
$0.050
Official vendor price / million tokens
Output
$0.400
Official vendor price / million tokens
Blended (coding)
$0.049
128K context · 10:1 · 80% cache hits
Uptime 7d
99.9%
Median across providers over the last 7 days
Context
400K
Providers
2
Released
2025-08-07
Where to buy
Vendor APIs and common platforms. Prices are USD per million tokens.
| Provider | Input | Output | Cache read | Cache write | Uptime 7d |
|---|---|---|---|---|---|
| OpenAIOfficial | $0.050 | $0.400 | $0.0050 | — | — |
| OpenRouterPlatformAggregates 4 providers | $0.050 | $0.400 | $0.0050 | Free | 99.9% |