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AI Model DirectorySearch models, providers, and docs
A side-by-side comparison of GPT-5.6 Luna and Hy4 Preview, using the lowest price and highest limits found across every provider that offers each model.
| GPT-5.6 Luna | Hy4 Preview | |
|---|---|---|
| Providers | 57 | 35 |
| Cheapest input ($/M) | $0.036 via UnoRouter | $0.3753 via Naga |
| Cheapest output ($/M) | $0.216 via UnoRouter | $1.1255 via Naga |
| Max context | 1.1M | 1M |
| Max output | 128K | 1M |
| Released | Jun 23, 2026 | Aug 27, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputTemperature |
| Input modalities | FileImageText | Text |
| Output modalities | Text | Text |