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A side-by-side comparison of Gemini 2.5 Pro and GLM 5.1, using the lowest price and highest limits found across every provider that offers each model.
| Gemini 2.5 Pro | GLM 5.1 | |
|---|---|---|
| Providers | 45 | 57 |
| Cheapest input ($/M) | $0.1863 via UnoRouter | $0.45 via Naga |
| Cheapest output ($/M) | $1.49 via UnoRouter | $1.45 via Naga |
| Max context | 2.1M | 1M |
| Max output | 1M | 202.8K |
| Released | Mar 16, 2025 | Mar 27, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFilesTemperature | ReasoningToolsStructured outputTemperature |
| Input modalities | ImageText | Text |
| Output modalities | Text | Text |