# Qwen3.5 4B release · 2026-03-02 · snapshot 2026-10-26

Creator: Alibaba · 2 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Qwen3.5 4B (Non-reasoning) | Text, Image, Video | 10.80 | - | 30.4s | no | `qwen3-5-4b-non-reasoning` |
| Qwen3.5 4B (Reasoning) | Text, Image, Video | 13.10 | - | 124.0s | no | `qwen3-5-4b` |

Open weights · on the open-weights frontier today: 0 of 2


> Metrics snapshot: 2026-10-26T15:24:18Z. Intelligence index version: unknown. Release timeline, frontier age, release impact and shakeup cards are reconstructions using one selected snapshot's metrics, not a record of what was known at release. Scores, benchmark cost and derived value may change when the index methodology changes. Source documentation advertises v4.3.2; API correspondence is unverified.