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AI Model DirectorySearch models, providers, and docs
A side-by-side comparison of GPT-4o and o3, using the lowest price and highest limits found across every provider that offers each model.
| GPT-4o | o3 | |
|---|---|---|
| Providers | 44 | 32 |
| Cheapest input ($/M) | $0 via UnoRouter | $0.27 via Api.Airforce |
| Cheapest output ($/M) | $0 via UnoRouter | $1.05 via Api.Airforce |
| Max context | 128K | 200K |
| Max output | 16.4K | 100K |
| Released | May 10, 2024 | Apr 8, 2025 |
| Open weights | No | No |
| Features | ToolsStructured outputFilesTemperature | ReasoningToolsStructured outputFiles |
| Input modalities | FileImageText | FileImageText |
| Output modalities | Text | Text |