Qwen3.5-397B-A17B vs GPT-5.2 Codex Comparison
Comparing Qwen3.5-397B-A17B and GPT-5.2 Codex across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Qwen3.5-397B-A17B outperforms in 0 benchmarks, while GPT-5.2 Codex is better at 1 benchmark (Terminal-Bench 2.0).
GPT-5.2 Codex significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Qwen3.5-397B-A17B ($0.60/1M tokens) is 2.9x cheaper than GPT-5.2 Codex ($1.75/1M tokens).
For output processing, Qwen3.5-397B-A17B ($3.60/1M tokens) is 3.9x cheaper than GPT-5.2 Codex ($14.00/1M tokens).
In conclusion, GPT-5.2 Codex 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-5.2 Codex accepts 400,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. GPT-5.2 Codex 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-5.2 Codex support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Qwen3.5-397B-A17B
GPT-5.2 Codex
License
Usage and distribution terms
Qwen3.5-397B-A17B is licensed under Apache 2.0, while GPT-5.2 Codex 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-5.2 Codex was released on 2026-01-14.
Qwen3.5-397B-A17B is 1 month newer than GPT-5.2 Codex.
Feb 16, 2026
4 weeks ago
1mo newerJan 14, 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.
Provider Availability
Qwen3.5-397B-A17B is available from Novita. GPT-5.2 Codex is available from OpenAI. The availability of providers can affect quality of the model and reliability.
Qwen3.5-397B-A17B
GPT-5.2 Codex
Outputs Comparison
Key Takeaways
Qwen3.5-397B-A17B
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
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