Mistral Medium 3.5 vs GLM 5.3 Prime
Mistral Medium 3.5 vs GLM 5.3 Prime: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Mistral Medium 3.5 is 1.4× cheaper than GLM 5.3 Prime for the same mix of input and output tokens.
- GLM 5.3 Prime has the larger context window (1M), useful for long documents and big codebases.
- GLM 5.3 Prime is the more recent release (Sep 23, 2026).
- Only Mistral Medium 3.5 accepts images as input.
- Choose Mistral Medium 3.5 if cost matters most; choose GLM 5.3 Prime if you need its specific strengths above. For the best results, test both on your own prompts.
| Mistral Medium 3.5 | GLM 5.3 Prime | |
|---|---|---|
| Company | Mistral AI | Z.ai (Zhipu) |
| Released | Apr 30, 2026 | Sep 23, 2026 ● |
| Overall index | 141.4 | — |
| Input (per 1M tokens) | $1.50 ● | $2.80 |
| Output (per 1M tokens) | $7.50 ● | $8.80 |
| Cost for 1M input + 1M output tokens | $9.00 ● | $11.60 |
| Providers | 3 ● | 1 |
| Context | 256K | 1M ● |
| Max output | 210K ● | 128K |
| Inputs | Text, Image, Files ● | Text |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | — |