Qwen3.5-9B vs SmolVLM-256M-Instruct
Specs, VRAM requirements and download trends — updated 28 July 2026.
HuggingFaceTB · B · Open weights
Params
260 M
Context
—
30d
872 K
apache-2.0 · commercial OK
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Qwen3.5-9B | SmolVLM-256M-Instruct |
|---|---|---|
| Deployment | Open weights · also via API | Open weights |
| Parameters | 9.7 B | 260 M |
| Architecture | Qwen3_5ForConditionalGeneration | Idefics3ForConditionalGeneration |
| Context length | 262,144 | — |
| Licence | apache-2.0 | apache-2.0 |
| Commercial use | Allowed | Allowed |
| Languages | — | 1 |
| Downloads 30d | 6,366,157 | 871,636 |
| Downloads all time | 75.3 M | 7.5 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2026-02-27 | 2025-01-17 |
| API input price / 1M tokens | $0.17 | not on OpenRouter |
| API output price / 1M tokens | $0.25 | not on OpenRouter |
| Est. cost per 1M input + 1M output tokens | $0.42 | not on OpenRouter |
| Cached input / 1M tokens | — | not on OpenRouter |
| AA Intelligence Index | — | not on OpenRouter |
| AA Coding Index | 28.7 | not on OpenRouter |
| AA Agentic Index | 1.2 | not on OpenRouter |
| Max output tokens | 235,929 | not on OpenRouter |
| API providers | 6 | not on OpenRouter |
| Tool calling | Yes | not on OpenRouter |
| Reasoning mode | Yes | not on OpenRouter |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
Qwen3.5-9B
$0.42
Download trend
Daily snapshots, last 90 days (13 Aug – 10 Nov)
14.3 M872 K
Qwen3.5-9B
SmolVLM-256M-Instruct
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
SmolVLM-256M-Instruct · fp16
1.1 GB / 24 GB
Qwen3.5-9B · fp16
23.2 GB / 24 GB