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A side-by-side comparison of OpenAI: GPT-5.3-Codex and Qwen3.5 27B, using the lowest price and highest limits found across every provider that offers each model.
| OpenAI: GPT-5.3-Codex | Qwen3.5 27B | |
|---|---|---|
| Providers | 41 | 31 |
| Cheapest input ($/M) | $0.1504 via QiHang AI | $0.0418 via DaoXE |
| Cheapest output ($/M) | $1.2031 via QiHang AI | $0.3346 via DaoXE |
| Max context | 512K | 992K |
| Max output | 128K | 262.1K |
| Released | Feb 5, 2026 | Feb 23, 2026 |
| Open weights | No | Yes |
| Features | ReasoningToolsStructured outputFiles | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | ImageText | ImageTextVideo |
| Output modalities | Text | Text |