GPT-5.4 mini vs Qwen3.5-397B-A17B
Qwen3.5-397B-A17B leads the LLM Stats Score 38.7 to 30.1. Qwen3.5-397B-A17B is 1.6x cheaper per token.
OpenAI · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Qwen3.5-397B-A17B leads the overall LLM Stats Score 38.7 to 30.1, ranking #63 overall.
The models split the 4 individual benchmarks reported for both models evenly.
On price, Qwen3.5-397B-A17B is roughly 1.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.4 mini also accepts a larger context window (400,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-5.4 mini
- you process long inputs — it offers a 400,000 token context window
- you want the most recent training data — it shipped Mar 2026
Choose Qwen3.5-397B-A17B
- overall performance matters — it scores 38.7 and ranks #63 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- cost matters — it's about 1.6x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
15 reported for GPT-5.4 mini · 38 for Qwen3.5-397B-A17B
GPT-5.4 mini outperforms in 2 benchmarks (Terminal-Bench 2.0, Toolathlon), while Qwen3.5-397B-A17B is better at 2 benchmarks (GPQA, Humanity's Last Exam).
Both models are evenly matched across the benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.4 mini ($0.75/1M tokens) is 1.7x more expensive than Qwen3.5-397B-A17B ($0.45/1M tokens).
For output processing, GPT-5.4 mini ($4.50/1M tokens) is 1.5x more expensive than Qwen3.5-397B-A17B ($3.00/1M tokens).
In conclusion, GPT-5.4 mini is more expensive than Qwen3.5-397B-A17B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.4 mini accepts 400,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. Qwen3.5-397B-A17B can generate longer responses up to 262,144 tokens, while GPT-5.4 mini is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both GPT-5.4 mini and Qwen3.5-397B-A17B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.4 mini
Qwen3.5-397B-A17B
License
Usage and distribution terms
GPT-5.4 mini is licensed under a proprietary license, while Qwen3.5-397B-A17B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-5.4 mini was released on 2026-03-17, while Qwen3.5-397B-A17B was released on 2026-02-16.
GPT-5.4 mini is 1 month newer than Qwen3.5-397B-A17B.
Mar 17, 2026
6 months ago
4w newerFeb 16, 2026
7 months ago
Knowledge Cutoff
When training data ends
GPT-5.4 mini has a documented knowledge cutoff of 2025-08-31, while Qwen3.5-397B-A17B's cutoff date is not specified.
We can confirm GPT-5.4 mini's training data extends to 2025-08-31, but cannot make a direct comparison without Qwen3.5-397B-A17B's cutoff date.
Aug 2025
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Provider Availability
GPT-5.4 mini is available from OpenAI. Qwen3.5-397B-A17B is available from DeepInfra, Novita.
GPT-5.4 mini
Qwen3.5-397B-A17B
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.4 mini and Qwen3.5-397B-A17B side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.4 mini vs Qwen3.5-397B-A17B.