Model Comparison
Qwen3.5-397B-A17B vs GPT-5.5
GPT-5.5 significantly outperforms across most benchmarks. Qwen3.5-397B-A17B is 8.3x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Qwen3.5-397B-A17B outperforms in 0 benchmarks, while GPT-5.5 is better at 5 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, Terminal-Bench 2.0, Toolathlon).
GPT-5.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
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Pricing Analysis
Price comparison per million tokens
For input processing, Qwen3.5-397B-A17B ($0.60/1M tokens) is 8.3x cheaper than GPT-5.5 ($5.00/1M tokens).
For output processing, Qwen3.5-397B-A17B ($3.60/1M tokens) is 8.3x cheaper than GPT-5.5 ($30.00/1M tokens).
In conclusion, GPT-5.5 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-5.5 accepts 1,000,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. GPT-5.5 can generate longer responses up to 128,000 tokens, while Qwen3.5-397B-A17B is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Both Qwen3.5-397B-A17B and GPT-5.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Qwen3.5-397B-A17B
GPT-5.5
License
Usage and distribution terms
Qwen3.5-397B-A17B is licensed under Apache 2.0, while GPT-5.5 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Qwen3.5-397B-A17B was released on 2026-02-16, while GPT-5.5 was released on 2026-04-23.
GPT-5.5 is 2 months newer than Qwen3.5-397B-A17B.
Feb 16, 2026
2 months ago
Apr 23, 2026
0 days ago
2mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Qwen3.5-397B-A17B is available from Novita. GPT-5.5 is available from OpenAI.
Qwen3.5-397B-A17B
GPT-5.5
Outputs Comparison
Key Takeaways
Qwen3.5-397B-A17B
View detailsAlibaba Cloud / Qwen Team
GPT-5.5
View detailsOpenAI
Detailed Comparison
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FAQ
Common questions about Qwen3.5-397B-A17B vs GPT-5.5