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AI Model DirectorySearch models, providers, and docs
A side-by-side comparison of OpenAI: GPT-5 Nano and Hy4 Preview, using the lowest price and highest limits found across every provider that offers each model.
| OpenAI: GPT-5 Nano | Hy4 Preview | |
|---|---|---|
| Providers | 43 | 35 |
| Cheapest input ($/M) | $0.0075 via QiHang AI | $0.3753 via Naga |
| Cheapest output ($/M) | $0.0602 via QiHang AI | $1.1255 via Naga |
| Max context | 400K | 1M |
| Max output | 360K | 1M |
| Released | Nov 20, 2024 | Aug 27, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputTemperature |
| Input modalities | ImageText | Text |
| Output modalities | Text | Text |