GLM-5.3-Flash vs Qwen3.8-Flash-Next
Specs, VRAM requirements and download trends — updated 23 October 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | GLM-5.3-Flash | Qwen3.8-Flash-Next |
|---|---|---|
| Deployment | Open weights · also via API | Open weights · also via API |
| Parameters | 321.3 B | 180.0 B |
| Architecture | Glm5NextForConditionalGeneration | Qwen4ExpForConditionalGeneration |
| Context length | 1,048,576 | 1,000,000 |
| Licence | mit | other |
| Commercial use | Allowed | Unknown |
| Languages | 2 | — |
| Downloads 30d | 6,421,899 | 2,706,809 |
| Downloads all time | 10.2 M | 3.5 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-08-25 | 2026-08-24 |
| API input price / 1M tokens | $0.0052 | $0.15 |
| API output price / 1M tokens | $0.20 | $0.47 |
| Est. cost per 1M input + 1M output tokens | $0.20 | $0.62 |
| Cached input / 1M tokens | $0.0052 | $0.016 |
| AA Intelligence Index | 41.8 | — |
| AA Coding Index | 71.5 | — |
| AA Agentic Index | 50.9 | — |
| Max output tokens | 943,718 | 131,072 |
| API providers | 32 | 1 |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
GLM-5.3-Flash
$0.20
Qwen3.8-Flash-Next
$0.62
GLM-5.3-Flash is 3.0× cheaper at list price.
Download trend
Daily snapshots, last 55 days (30 Aug – 23 Oct)
6.6 M190 K
GLM-5.3-Flash
Qwen3.8-Flash-Next
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
GLM-5.3-Flash · fp16
409.9 GB / 24 GB
Qwen3.8-Flash-Next · fp16
423.5 GB / 24 GB