GPT-5.1-Codex vs Qwen3 Next 80B A3B Instruct
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-5.1-Codex and Qwen3 Next 80B A3B Instruct.
GPT-5.1-Codex
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Qwen3 Next 80B A3B Instruct
Qwen3-Next-80B-A3B-Instruct is an instruction-tuned chat model in the Qwen3-Next series optimized for fast, stable responses without “thinking” traces. It targets complex tasks across reasoning, code generation, knowledge QA, and multilingual...
Technical Specifications
| Specification | GPT-5.1-Codex | Qwen3 Next 80B A3B Instruct |
|---|---|---|
| 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 | 2025-11-13 | 2025-09-11 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5.1-Codex
$1.25
Qwen3 Next 80B A3B Instruct
$0.09
Output Price per Million Tokens
GPT-5.1-Codex
$10.00
Qwen3 Next 80B A3B Instruct
$1.10
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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-5.1-Codex Quirks & Gotchas
No developer gotchas reported.
Qwen3 Next 80B A3B Instruct Quirks & Gotchas
No developer gotchas reported.