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A side-by-side comparison of Claude Opus 5 and Claude Sonnet 4.5, using the lowest price and highest limits found across every provider that offers each model.
| Claude Opus 5 | Claude Sonnet 4.5 | |
|---|---|---|
| Providers | 60 | 34 |
| Cheapest input ($/M) | $0.7745 via DaoXE | $0.4647 via DaoXE |
| Cheapest output ($/M) | $1.5 via KiosAPI | $2.3236 via DaoXE |
| Max context | 1M | 1M |
| Max output | 1M | 64K |
| Released | Jul 23, 2026 | Sep 26, 2025 |
| Open weights | No | No |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | FileImageText | FileImageText |
| Output modalities | Text | Text |