Xiaomi MiMo-V2.5 vs Z.ai GLM 5.3 Flash
GLM 5.3 Flash has a larger context window and lower pricing; MiMo-V2.5 adds audio input and may perform differently on long-context quality.
Quick verdict
GLM 5.3 Flash is the lower-cost choice for very long multimodal context. MiMo-V2.5 is worth testing when you need audio input or prefer its long-context behavior.
Side-by-side comparison
| Field | Xiaomi MiMo-V2.5 | Z.ai GLM 5.3 Flash |
|---|---|---|
| Provider | Xiaomi | Z.ai |
| Context window | 1.05M tokens | 1.31M tokens |
| Input / 1M | $0.140 | $0.075 |
| Output / 1M | $0.280 | $0.250 |
| Modalities | Text, Vision, Audio, Video | Text, Vision, Video |
| Best for | Long Context, Budget, Multimodal | Budget, Long Context, Multimodal |
Cost estimates
| Workload | Input | Output | Xiaomi MiMo-V2.5 | Z.ai GLM 5.3 Flash |
|---|---|---|---|---|
| Quick test | 20,000 | 5,000 | $0.004 | $0.003 |
| Product chat month | 500,000 | 125,000 | $0.105 | $0.069 |
| Document batch | 5,000,000 | 1,000,000 | $0.980 | $0.625 |
Estimates use list input/output prices and exclude cache discounts, provider surcharges and tool fees.
Choose Xiaomi MiMo-V2.5 if
- ✓You need audio plus image or video input
- ✓Your real documents favor MiMo's retrieval behavior
- ✓You want an alternative to the lowest-cost GLM route
Choose Z.ai GLM 5.3 Flash if
- ✓You want the larger context window and lower price
- ✓Your workload is bulk media extraction
- ✓You need cheap processing across very long documents
FAQ
Is Xiaomi MiMo-V2.5 cheaper than Z.ai GLM 5.3 Flash?
Xiaomi MiMo-V2.5 costs $0.140 input and $0.280 output per 1M tokens. Z.ai GLM 5.3 Flash costs $0.075 input and $0.250 output per 1M tokens.
Which model has the larger context window?
Xiaomi MiMo-V2.5 offers 1.05M tokens; Z.ai GLM 5.3 Flash offers 1.31M tokens. Provider-specific limits can vary by route.
Which one should I choose?
GLM 5.3 Flash is the lower-cost choice for very long multimodal context. MiMo-V2.5 is worth testing when you need audio input or prefer its long-context behavior.
Pricing and context data are based on a 2026-09-05 snapshot. Provider limits and pricing can change; verify on OpenRouter before production.