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A side-by-side comparison of Claude Opus 5.5 and Kimi K3, using the lowest price and highest limits found across every provider that offers each model.
| Claude Opus 5.5 | Kimi K3 | |
|---|---|---|
| Providers | 57 | 81 |
| Cheapest input ($/M) | $0.6196 via DaoXE | $0 via Zylo |
| Cheapest output ($/M) | $1.5 via KiosAPI | $0 via Zylo |
| Max context | 1M | 1.1M |
| Max output | 1M | 1M |
| Released | Sep 18, 2026 | Jun 13, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | FileImageText | ImageText |
| Output modalities | Text | Text |