Qwen3.8 Max Prime vs Kimi K3
Qwen3.8 Max Prime vs Kimi K3: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Both models cost about the same.
- Kimi K3 has the larger context window (1M), useful for long documents and big codebases.
- Qwen3.8 Max Prime is the more recent release (Sep 23, 2026).
- Only Kimi K3 has openly published weights you can run yourself.
| Qwen3.8 Max Prime | Kimi K3 | |
|---|---|---|
| Company | Alibaba Qwen | Moonshot AI |
| Released | Sep 23, 2026 ● | Jul 16, 2026 |
| Overall index | — | 157.7 |
| GPQA Diamond | — | 93.1% |
| AIME math | — | 97.2% |
| FrontierMath | — | 72.2% |
| SimpleQA Verified | — | 50.6% |
| Input (per 1M tokens) | $4 | $3 ● |
| Output (per 1M tokens) | $12 ● | $15 |
| Cost for 1M input + 1M output tokens | $16.00 ● | $18.00 |
| Providers | 1 | 22 ● |
| Context | 1M | 1M ● |
| Max output | 128K | 944K ● |
| Inputs | Text, Image, Video | Text, Image, Video |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | ✓ |