OpenAI: GPT-5 Nano
OpenAIGPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions,
Long context (400K+)Ultra-low costMultimodal vision
TextVision
Specifications
| Vendor | OpenAI |
| Family | openai |
| Context | 400K · 300k words（≈ a novella） |
| Max output | 400K · 300k words（≈ a novella） |
| Released | 2026-06-19 |
| Open source | No |
| Tool use | — |
Pricing across channels
per 1M tokens, USD
| Channel | Type | Input | Output | → |
|---|---|---|---|---|
| OpenRouter (auto) | Aggregator | $0.050 | $0.40 | visitAd |
OpenRouter API (auto-fetched)· 2026-06-19
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