Qwen3.5 4B (Reasoning)
Analysis Summary
Qwen3.5 4B (Reasoning) sits in the Specialist tier on our leaderboard, ranked #129 of 551 published models on overall intelligence. At $0.030 input and $0.150 output per 1M tokens, it is among the most expensive on the market.
Editorial notes
Qwen3.5 4B (Reasoning) from Alibaba punches above its size on math and agentic tasks at very low cost, but reasoning and coding indices remain limited for serious business workflows.
Assessed May 5, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does Qwen3.5 4B (Reasoning) stack up?
Compare side-by-side with other specialist models.
Model Information
| Provider | Alibaba |
| Release Date | March 2, 2026 |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.03 | $0.000030 |
| Output | $0.15 | $0.000150 |
