Choose Xiaomi MiMo-V2.5 if
- ✓ You need audio plus image or video input
- ✓ Your real documents favor MiMo's retrieval behavior
- ✓ You want the cheaper of the two per token, output included
Head to head · OpenRouter
Xiaomi MiMo-V2.5 vs Z.ai GLM 5.3 Flash
GLM 5.3 Flash has the larger context window (1.31M against 1.05M) and now the higher price after its 2026-09-22 repricing ($0.15 in / $0.50 out per million). MiMo-V2.5 adds audio input at $0.14 in / $0.28 out.
Quick verdict
GLM 5.3 Flash is still the pick when the document genuinely needs more than a million tokens of window. MiMo-V2.5 is now the cheaper of the two for everything else, and the only one of the pair that takes audio.
Side-by-side comparison
| Field | Xiaomi MiMo-V2.5 | Z.ai GLM 5.3 Flash |
|---|---|---|
| Provider | Xiaomi | Z.ai |
| Context window | 1.05M tokens | 1.05M tokens |
| Input / 1M | $0.140 | $0.150 |
| Output / 1M | $0.280 | $0.500 |
| Modalities | Text, Vision, Audio, Video | Text, Vision, Video |
| Best for | Long Context, Budget, Multimodal | Budget, Long Context, Multimodal |
Source
openrouter.ai/api/v1/models Verified 2026-10-16 Cost estimates
| Workload | Input | Output | Xiaomi MiMo-V2.5 | Z.ai GLM 5.3 Flash |
|---|---|---|---|---|
| Quick test | 20,000 | 5,000 | $0.004 | $0.005 |
| Product chat month | 500,000 | 125,000 | $0.105 | $0.138 |
| Document batch | 5,000,000 | 1,000,000 | $0.980 | $1.25 |
Estimates use list input/output prices and exclude cache discounts, provider surcharges and tool fees.
Choose Z.ai GLM 5.3 Flash if
- ✓ You want the larger context window: 1.31M tokens
- ✓ Your workload is bulk media extraction, images and video rather than audio
- ✓ Your documents run past the 1.05M line
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 $0.150 input and $0.500 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 1.05M tokens. Provider-specific limits can vary by route.
Which one should I choose?
GLM 5.3 Flash is still the pick when the document genuinely needs more than a million tokens of window. MiMo-V2.5 is now the cheaper of the two for everything else, and the only one of the pair that takes audio.
Xiaomi MiMo-V2.5 details Z.ai GLM 5.3 Flash details Estimate monthly cost
Pricing and context data are based on a 2026-10-16 snapshot. Provider limits and pricing can change; verify on OpenRouter before production.