GPT-5.2-Codex vs Qwen3.5-35B-A3B
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-5.2-Codex and Qwen3.5-35B-A3B.
GPT-5.2-Codex
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Qwen3.5-35B-A3B
The Qwen3.5 Series 35B-A3B is a native vision-language model designed with a hybrid architecture that integrates linear attention mechanisms and a sparse mixture-of-experts model, achieving higher inference efficiency. Its overall...
Technical Specifications
| Specification | GPT-5.2-Codex | Qwen3.5-35B-A3B |
|---|---|---|
| Provider | OpenAI | Alibaba |
| Context Window | 400,000 tokens | 262,144 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2026-01-14 | 2026-02-25 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5.2-Codex
$1.75
Qwen3.5-35B-A3B
$0.14
Output Price per Million Tokens
GPT-5.2-Codex
$14.00
Qwen3.5-35B-A3B
$1.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GPT-5.2-Codex Quirks & Gotchas
No developer gotchas reported.
Qwen3.5-35B-A3B Quirks & Gotchas
No developer gotchas reported.