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A side-by-side comparison of Claude Opus 4.5 and Kimi K3.1 Pro, using the lowest price and highest limits found across every provider that offers each model.
| Claude Opus 4.5 | Kimi K3.1 Pro | |
|---|---|---|
| Providers | 42 | 46 |
| Cheapest input ($/M) | $0.7742 via DaoXE | $0.36 via UnoRouter |
| Cheapest output ($/M) | $3.8711 via DaoXE | $1.8 via UnoRouter |
| Max context | 200K | 1M |
| Max output | 65.5K | 1M |
| Released | Nov 1, 2025 | Oct 23, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFilesTemperature | ReasoningToolsStructured outputFiles |
| Input modalities | FileImageText | ImageTextVideo |
| Output modalities | Text | Text |