Models

Qwen3.5 4B (Reasoning)

Qwen3.5 4B (Reasoning) is a lightweight, 4-billion parameter model from Alibaba's Qwen3.5 series, specifically optimized for enhanced reasoning and chain-of-thought capabilities. It offers a strong balance of performance and efficiency, making it suitable for fast inference tasks that require logical deduction.

ReasoningFastCheap
Input / 1M tokens
$0.03
Output / 1M tokens
$0.15
Output tokens/s
30.76
First-token seconds
0.49s
Supported plans
0

Benchmark history

Evaluations

11

Tau Banking

Measured Jul 10, 2026Source

Score

0.08

TAU2

Measured Jul 10, 2026Source

Score

0.92

Terminalbench V2 1

Measured Jul 10, 2026Source

Score

0.26

Terminalbench Hard

Measured Jul 10, 2026Source

Score

0.18

Lcr

Measured Jul 10, 2026Source

Score

0.56

Ifbench

Measured Jul 10, 2026Source

Score

0.52

Scicode

Measured Jul 10, 2026Source

Score

0.16

Hle

Measured Jul 10, 2026Source

Score

0.08

Gpqa

Measured Jul 10, 2026Source

Score

0.77

Artificial Analysis Coding Index

Measured Jul 10, 2026Source

Score

22.6

Artificial Analysis Intelligence Index

Measured Jul 10, 2026Source

Score

20.1

Plan availability

Products and plans that support this model

0
No products or plans have been linked to this model yet.

User ratings

Loading ratings...

Discussion

Thinking... Make sure you are connected to GitHub server