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A side-by-side comparison of GPT-5 and Kimi K2.5, using the lowest price and highest limits found across every provider that offers each model.
| GPT-5 | Kimi K2.5 | |
|---|---|---|
| Providers | 47 | 43 |
| Cheapest input ($/M) | $0.188 via QiHang AI | $0.095 via UnoRouter |
| Cheapest output ($/M) | $1.5039 via QiHang AI | $0.4752 via UnoRouter |
| Max context | 400K | 262.1K |
| Max output | 128K | 262.1K |
| Released | Aug 1, 2025 | Jan 1, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | ImageText | ImageText |
| Output modalities | Text | Text |