Model Comparison

GPT-5.4 vs Qwen3.5-397B-A17B

GPT-5.4 significantly outperforms across most benchmarks. Qwen3.5-397B-A17B is 4.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

GPT-5.4 outperforms in 5 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, Terminal-Bench 2.0, Toolathlon), while Qwen3.5-397B-A17B is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Mon Apr 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3.5-397B-A17B costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 4.2x more expensive than Qwen3.5-397B-A17B ($0.60/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 4.2x more expensive than Qwen3.5-397B-A17B ($3.60/1M tokens).

In conclusion, GPT-5.4 is more expensive than Qwen3.5-397B-A17B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Apr 20 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input tokens$0.60
Output tokens$3.60
Best providerNovita
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-5.4 accepts 1,000,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while Qwen3.5-397B-A17B is limited to 64,000 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output64,000 tokens
Mon Apr 20 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 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

Text
Images
Audio
Video

Qwen3.5-397B-A17B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 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.

GPT-5.4

Proprietary

Closed source

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while Qwen3.5-397B-A17B was released on 2026-02-16.

GPT-5.4 is 1 month newer than Qwen3.5-397B-A17B.

GPT-5.4

Mar 5, 2026

1 months ago

2w newer
Qwen3.5-397B-A17B

Feb 16, 2026

2 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GPT-5.4 is available from OpenAI. Qwen3.5-397B-A17B is available from Novita.

GPT-5.4

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

Qwen3.5-397B-A17B

novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $3.60/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (1,000,000 tokens)
Higher BrowseComp score (82.7% vs 69.0%)
Higher GPQA score (92.8% vs 88.4%)
Higher Humanity's Last Exam score (39.8% vs 28.7%)
Higher Terminal-Bench 2.0 score (75.1% vs 52.5%)
Higher Toolathlon score (54.6% vs 38.3%)
Alibaba Cloud / Qwen Team

Qwen3.5-397B-A17B

View details

Alibaba Cloud / Qwen Team

Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B

FAQ

Common questions about GPT-5.4 vs Qwen3.5-397B-A17B

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%.
Qwen3.5-397B-A17B is 4.2x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. Qwen3.5-397B-A17B costs $0.60/M input and $3.60/M output via novita.
GPT-5.4 supports 1.0M tokens and Qwen3.5-397B-A17B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 262K), input pricing ($2.50 vs $0.60/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
GPT-5.4 is developed by OpenAI and Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team.