Qwen3.5 4B

by Alibaba

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

Key info

Capabilities
Tools
Context window
262K
Max output
262K
Input price
/1M
Output price
/1M
  • US residency available
  • No training by default

Benchmarks

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

Global rank#171 of 505 LLMs
TierEfficient
Output speed200 tok/s
First token0.23s
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
DeepInfraUSNoNo

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 not self-serve on Pay-as-you-go — available on request via Opper Enterprise. No training on customer data. US; unknown.

Zero data retention
Not self-serve. Available on request via Opper Enterprise.
Training
No training on customer data.
Logging
Limited debug logs
Third-party access
None disclosed
GDPR DPA
No DPA
Transfer mechanism
unknown

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