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A side-by-side comparison of OpenAI: GPT-5 Mini and Grok 4.5, using the lowest price and highest limits found across every provider that offers each model.
| OpenAI: GPT-5 Mini | Grok 4.5 | |
|---|---|---|
| Providers | 46 | 48 |
| Cheapest input ($/M) | $0.0376 via QiHang AI | $0.3098 via DaoXE |
| Cheapest output ($/M) | $0.3008 via QiHang AI | $0.9294 via DaoXE |
| Max context | 400K | 1M |
| Max output | 360K | 500K |
| Released | Nov 20, 2024 | Jun 29, 2026 |
| Open weights | No | No |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | ImageText | ImageText |
| Output modalities | Text | Text |