Phi 4 vs Qwen3 VL 8B Instruct
Qwen3 VL 8B Instruct shows notably better performance in the majority of benchmarks. Phi 4 is 2.1x cheaper per token.
Microsoft · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Phi 4 outperforms in 1 benchmarks (MMLU), while Qwen3 VL 8B Instruct is better at 2 benchmarks (IFEval, MMLU-Pro). Qwen3 VL 8B Instruct shows notably better performance in the majority of benchmarks.
On price, Phi 4 is roughly 2.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Qwen3 VL 8B Instruct also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Phi 4
- cost matters — it's about 2.1x cheaper per token
Choose Qwen3 VL 8B Instruct
- you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
- you process long inputs — it offers a 131,072 token context window
- 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
Phi 4 outperforms in 1 benchmarks (MMLU), while Qwen3 VL 8B Instruct is better at 2 benchmarks (IFEval, MMLU-Pro).
Qwen3 VL 8B Instruct shows notably better performance in the majority of benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Phi 4 ($0.07/1M tokens) is 1.1x cheaper than Qwen3 VL 8B Instruct ($0.08/1M tokens).
For output processing, Phi 4 ($0.14/1M tokens) is 3.6x cheaper than Qwen3 VL 8B Instruct ($0.50/1M tokens).
In conclusion, Qwen3 VL 8B Instruct is more expensive than Phi 4.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Phi 4 has 5.7B more parameters than Qwen3 VL 8B Instruct, making it 63.3% larger.
Context Window
Maximum input and output token capacity
Qwen3 VL 8B Instruct accepts 131,072 input tokens compared to Phi 4's 16,000 tokens. Qwen3 VL 8B Instruct can generate longer responses up to 32,768 tokens, while Phi 4 is limited to 16,000 tokens.
Input Capabilities
Supported data types and modalities
Qwen3 VL 8B Instruct supports multimodal inputs, whereas Phi 4 does not.
Qwen3 VL 8B Instruct can handle both text and other forms of data like images, making it suitable for multimodal applications.
Phi 4
Qwen3 VL 8B Instruct
License
Usage and distribution terms
Phi 4 is licensed under MIT, while Qwen3 VL 8B 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
Phi 4 was released on 2024-12-12, while Qwen3 VL 8B Instruct was released on 2025-09-22.
Qwen3 VL 8B Instruct is 9 months newer than Phi 4.
Dec 12, 2024
1.7 years ago
Sep 22, 2025
11 months ago
9mo newerKnowledge Cutoff
When training data ends
Phi 4 has a documented knowledge cutoff of 2024-06-01, while Qwen3 VL 8B Instruct's cutoff date is not specified.
We can confirm Phi 4's training data extends to 2024-06-01, but cannot make a direct comparison without Qwen3 VL 8B Instruct's cutoff date.
Jun 2024
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Provider Availability
Phi 4 is available from DeepInfra. Qwen3 VL 8B Instruct is available from Novita, DeepInfra.
Phi 4
Qwen3 VL 8B Instruct
Outputs Comparison
Judge for yourself.
Run your own prompts against Phi 4 and Qwen3 VL 8B Instruct side-by-side, then vote on the output you prefer.
FAQ
Common questions about Phi 4 vs Qwen3 VL 8B Instruct.