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AI Model DirectorySearch models, providers, and docs
A side-by-side comparison of GPT-4o and GPT-5.6 Luna, using the lowest price and highest limits found across every provider that offers each model.
| GPT-4o | GPT-5.6 Luna | |
|---|---|---|
| Providers | 44 | 57 |
| Cheapest input ($/M) | $0 via UnoRouter | $0.036 via UnoRouter |
| Cheapest output ($/M) | $0 via UnoRouter | $0.216 via UnoRouter |
| Max context | 128K | 1.1M |
| Max output | 16.4K | 128K |
| Released | May 10, 2024 | Jun 23, 2026 |
| Open weights | No | No |
| Features | ToolsStructured outputFilesTemperature | ReasoningToolsStructured outputFiles |
| Input modalities | FileImageText | FileImageText |
| Output modalities | Text | Text |