Qwen3.5

Qwen3.5-397B-A17B

Alibaba (Qwen team) · open-permissive apache-2.0

Parameters (B)403.398
Architecturemoe
Layers / KV heads / head dim60 / 2 / 256
Context window262144
Modalitiesin: text, image; out: text
GGUFavailable
Commercial useyes

Minimum hardware (estimate)

At Q4_K_M and 8k context, total working set ≈ 246.5 GiB. On a machine with 64 GiB system RAM and no discrete GPU: Won't run. Limiting factor: No GPU and system RAM insufficient for weights + KV.

Open in fit advisor

Scores

BenchmarkValueUncertaintyRun bySource
GPQA Diamond86.4%±0.0245third-partyepoch-ai
OTIS Mock AIME 2024-202588.9%±0.0474third-partyepoch-ai

Provenance

HF: Qwen/Qwen3.5-397B-A17B · snapshot 2026-08-10