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A side-by-side comparison of DeepSeek V4.1 Flash 1017 and GLM 5.1, using the lowest price and highest limits found across every provider that offers each model.
| DeepSeek V4.1 Flash 1017 | GLM 5.1 | |
|---|---|---|
| Providers | 59 | 57 |
| Cheapest input ($/M) | $0 via UnoRouter | $0.45 via Naga |
| Cheapest output ($/M) | $0 via UnoRouter | $1.45 via Naga |
| Max context | 1.1M | 1M |
| Max output | 1M | 202.8K |
| Released | Oct 5, 2026 | Mar 27, 2026 |
| Open weights | Yes | Yes |
| Features | ReasoningToolsStructured outputFilesTemperature | ReasoningToolsStructured outputTemperature |
| Input modalities | ImageText | Text |
| Output modalities | Text | Text |