GPT-5.3-Codex vs Qwen3 Next 80B A3B Thinking
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-5.3-Codex and Qwen3 Next 80B A3B Thinking.
GPT-5.3-Codex
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
Qwen3 Next 80B A3B Thinking
Qwen3-Next-80B-A3B-Thinking is a reasoning-first chat model in the Qwen3-Next line that outputs structured “thinking” traces by default. It’s designed for hard multi-step problems; math proofs, code synthesis/debugging, logic, and agentic...
Technical Specifications
| Specification | GPT-5.3-Codex | Qwen3 Next 80B A3B Thinking |
|---|---|---|
| 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 | 2026-02-24 | 2025-09-11 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5.3-Codex
$1.75
Qwen3 Next 80B A3B Thinking
$0.10
Output Price per Million Tokens
GPT-5.3-Codex
$14.00
Qwen3 Next 80B A3B Thinking
$0.78
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
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-5.3-Codex Quirks & Gotchas
No developer gotchas reported.
Qwen3 Next 80B A3B Thinking Quirks & Gotchas
No developer gotchas reported.