Key Takeaways
GPT-5.3 Codex wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Supports vision
- Has reasoning mode
Qwen3 Max wins:
- Cheaper input tokens
- Cheaper output tokens
- Better at math
Price Advantage
Qwen3 Max
Benchmark Advantage
GPT-5.3 Codex
Context Window
GPT-5.3 Codex
Speed
GPT-5.3 Codex
Pricing Comparison
Price Comparison
| Metric | GPT-5.3 Codex | Qwen3 Max | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.75 | $0.78 | Qwen3 Max |
| Output (per 1M tokens) | $14.00 | $3.90 | Qwen3 Max |
| Cache Read (per 1M) | $0.17 | $0.16 | Qwen3 Max |
Using a 3:1 input/output ratio, Qwen3 Max is 68% cheaper overall.
GPT-5.3 Codex Providers
No provider data available
Qwen3 Max Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
3
GPT-5.3 Codex Wins
0
Qwen3 Max Wins
Benchmark Scores
| Benchmark | GPT-5.3 Codex | Qwen3 Max | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 54.0 | 26.1 | |
Coding Index Code generation & understanding | 53.1 | 25.5 | |
Math Index Mathematical reasoning | - | 75.0 | - |
MMLU Pro Academic knowledge | - | 83.8 | - |
GPQA Graduate-level science | 91.5 | 76.4 | |
LiveCodeBench Competitive programming | - | 65.1 | - |
GPT-5.3 Codex significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
Other models
Context & Performance
Context Window
GPT-5.3 Codex
400,000
tokens
Qwen3 Max
262,144
tokens
GPT-5.3 Codex has a 34% larger context window.
Speed Performance
| Metric | GPT-5.3 Codex | Qwen3 Max | Winner |
|---|---|---|---|
| Tokens/second | 63.8 tok/s | 41.8 tok/s | |
| Time to First Token | 83.49s | 1.75s |
GPT-5.3 Codex responds 53% faster on average.
Capabilities
Feature Comparison
| Feature | GPT-5.3 Codex | Qwen3 Max |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5.3 Codex | Qwen3 Max |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | OpenAI | Qwen |
| Released | Feb 2026 | Sep 2025 |
GPT-5.3 Codex Modalities
Input
textimage
Output
text
Qwen3 Max Modalities
Input
text
Output
text