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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. 400,000 token context window, maximum output of 128,000 tokens. Higher uptime with 2 providers. Includes independent benchmarks from Artificial Analysis.
chatstreamingtoolsjson mode
Details
- Accepts
- text
- Context window
- 200K tokens
Pricing
- Input
- 6.5 cr / 1M tokens
- Output
- 52 cr / 1M tokens
- Cached input
- 0.650 cr / 1M tokens
Prices in credits (1 credit = $0.01).
Data schema
approximateInput
| Field | Type | Description |
|---|---|---|
| promptrequired | string | The text prompt. |
Output
| Field | Type | Description |
|---|---|---|
| text | string | Generated text (choices[0].message.content). |