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A side-by-side comparison of OpenAI: GPT-5.4 Pro and o3, using the lowest price and highest limits found across every provider that offers each model.
| OpenAI: GPT-5.4 Pro | o3 | |
|---|---|---|
| Providers | 33 | 32 |
| Cheapest input ($/M) | $4.6472 via DaoXE | $0.27 via Api.Airforce |
| Cheapest output ($/M) | $27.8829 via DaoXE | $1.05 via Api.Airforce |
| Max context | 1.1M | 200K |
| Max output | 128K | 100K |
| Released | Mar 1, 2026 | Apr 8, 2025 |
| Open weights | No | No |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputFiles |
| Input modalities | FileImageText | FileImageText |
| Output modalities | Text | Text |