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A side-by-side comparison of gpt-oss-120b and Step 5 Preview, using the lowest price and highest limits found across every provider that offers each model.
| gpt-oss-120b | Step 5 Preview | |
|---|---|---|
| Providers | 61 | 32 |
| Cheapest input ($/M) | $0 via FastRouter | $0 via KiosAPI |
| Cheapest output ($/M) | $0 via FastRouter | $0 via KiosAPI |
| Max context | 131.1K | 1M |
| Max output | 131.1K | 1M |
| Released | Jan 1, 2024 | Sep 15, 2026 |
| Open weights | Yes | Yes |
| Features | ReasoningToolsStructured outputTemperature | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | Text | ImageTextVideo |
| Output modalities | Text | Text |