Qwen3.5 4B

by Alibaba

Qwen3.5 4B from Alibaba — text model on the Opper gateway.

Key info

Input
Output
Features
Context window
262K
Max output
262K
Input price
$0.03 /1M
Output price
$0.15 /1M
  • US residency available
  • Zero data retention via Enterprise
  • No training by default

Benchmarks

Independent benchmark scores — composite indices for reasoning, coding, and math, plus individual eval scores where available.

Global rank#189 of 527 LLMs
TierEfficient
Output speed204 tok/s
First token0.22s
Intelligence Index27.1
Coding Index17.5
GPQA Diamond
77%
Humanity's Last Exam
8%
SciCode
16%
IFBench
52%
Long-context reasoning
56%
Terminal-Bench Hard
18%
τ²-Bench Telecom
92%

Available routes

Qwen3.5 4B runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.

ProviderRegionZero data retentionTrainingInputOutput
DeepInfraUSEnterpriseNo$0.03$0.15

Training posture across routes: No training on prompts by default.

Data handling per route

Each route hosting Qwen3.5 4B has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

DeepInfra United States🇺🇸

Zero data retention is available via Opper Enterprise contract. No training on customer data. US; unknown.

Zero data retention
Available via Opper Enterprise contract.
Training
No training on customer data.
Logging
Limited debug logs
Third-party access
None disclosed
GDPR DPA
No DPA
Transfer mechanism
unknown

Compare Qwen3.5 4B with…

Side-by-side on privacy, EU hosting, pricing, and benchmarks.

Other models from Alibaba

Start building with 300+ models

One API key. Every major provider. Up and running in minutes.

Get startedView Documentation
Qwen3.5 4B by Alibaba — pricing, benchmarks | Opper AI