Qwen3.5-27B vs Qwen3.8-27B
Specs, VRAM requirements and download trends — updated 10 November 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen3.5-27B | Qwen3.8-27B |
|---|---|---|
| Deployment | Open weights · also via API | Open weights · also via API |
| Parameters | 27.8 B | 27.8 B |
| Architecture | Qwen3_5ForConditionalGeneration | Qwen3_5ForConditionalGeneration |
| Context length | 262,144 | 262,144 |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | — | — |
| Downloads 30d | 1,677,896 | 7,508,158 |
| Downloads all time | 22.4 M | 22.0 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-02-24 | 2026-08-05 |
| API input price / 1M tokens | $0.26 | $0.15 |
| API output price / 1M tokens | $2.60 | $1.88 |
| Est. cost per 1M input + 1M output tokens | $2.86 | $2.03 |
| Cached input / 1M tokens | — | $0.038 |
| AA Intelligence Index | — | 20.1 |
| AA Coding Index | — | 68.1 |
| AA Agentic Index | — | 45.8 |
| Max output tokens | 81,920 | 235,929 |
| API providers | 7 | 25 |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
Qwen3.5-27B
$2.86
Qwen3.8-27B
$2.03
Qwen3.8-27B is 1.4× cheaper at list price.
Download trend
Daily snapshots, last 90 days (13 Aug – 10 Nov)
8.0 M1.0 M
Qwen3.5-27B
Qwen3.8-27B
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Qwen3.5-27B · fp16
65.8 GB / 24 GB
Qwen3.8-27B · fp16
65.8 GB / 24 GB