Kimi K2 Base vs Qwen3 VL 4B Instruct
Kimi K2 Base has a slight edge in benchmark performance.
Moonshot AI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Kimi K2 Base outperforms in 3 benchmarks (MMLU, MMLU-Pro, SuperGPQA), while Qwen3 VL 4B Instruct is better at 2 benchmarks (LiveCodeBench v6, SimpleQA). Kimi K2 Base has a slight edge in benchmark performance.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Kimi K2 Base
- you want the strongest raw capability — it leads on 3 of 5 shared benchmarks
Choose Qwen3 VL 4B Instruct
- you want the most recent training data — it shipped Sep 2025
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Kimi K2 Base outperforms in 3 benchmarks (MMLU, MMLU-Pro, SuperGPQA), while Qwen3 VL 4B Instruct is better at 2 benchmarks (LiveCodeBench v6, SimpleQA).
Kimi K2 Base has a slight edge in benchmark performance.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
Kimi K2 Base has 996.0B more parameters than Qwen3 VL 4B Instruct, making it 24900.0% larger.
Context Window
Maximum input and output token capacity
Only Qwen3 VL 4B Instruct specifies input context (262,144 tokens). Only Qwen3 VL 4B Instruct specifies output context (262,144 tokens).
Input Capabilities
Supported data types and modalities
Qwen3 VL 4B Instruct supports multimodal inputs, whereas Kimi K2 Base does not.
Qwen3 VL 4B Instruct can handle both text and other forms of data like images, making it suitable for multimodal applications.
Kimi K2 Base
Qwen3 VL 4B Instruct
License
Usage and distribution terms
Kimi K2 Base is licensed under MIT, while Qwen3 VL 4B Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
Kimi K2 Base was released on 2025-07-11, while Qwen3 VL 4B Instruct was released on 2025-09-22.
Qwen3 VL 4B Instruct is 2 months newer than Kimi K2 Base.
Jul 11, 2025
1.1 years ago
Sep 22, 2025
11 months ago
2mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Kimi K2 Base and Qwen3 VL 4B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about Kimi K2 Base vs Qwen3 VL 4B Instruct.