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A side-by-side comparison of gpt-oss-120b and Grok 4.3, using the lowest price and highest limits found across every provider that offers each model.
| gpt-oss-120b | Grok 4.3 | |
|---|---|---|
| Providers | 61 | 42 |
| Cheapest input ($/M) | $0 via FastRouter | $0.0312 via routing.run |
| Cheapest output ($/M) | $0 via FastRouter | $0.0623 via routing.run |
| Max context | 131.1K | 1M |
| Max output | 131.1K | 1M |
| Released | Jan 1, 2024 | Apr 17, 2026 |
| Open weights | Yes | No |
| Features | ReasoningToolsStructured outputTemperature | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | Text | ImageText |
| Output modalities | Text | Text |