OpenAI: GPT-5.4 Nano
OpenAIGPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical
Long context (400K+)High valueMultimodal 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 | $0.20 | $1.25 | visitAd |
OpenRouter API (auto-fetched)· 2026-06-19
Related models
Similar tier, vendor or price range