Key Takeaways
GPT-5 Codex wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
Qwen-Max wins:
- Cheaper output tokens
Price Advantage
GPT-5 Codex
Benchmark Advantage
GPT-5 Codex
Context Window
GPT-5 Codex
Speed
GPT-5 Codex
Pricing Comparison
Price Comparison
| Metric | GPT-5 Codex | Qwen-Max | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $1.25 | $1.60 | GPT-5 Codex |
| Output (per 1M tokens) | $10.00 | $6.40 | Qwen-Max |
| Cache Read (per 1M) | $125000.00 | $320000.00 | GPT-5 Codex |
Using a 3:1 input/output ratio, Qwen-Max is 19% cheaper overall.
GPT-5 Codex Providers
OpenAI $1.25 (Cheapest)
Qwen-Max Providers
Alibaba $1.60 (Cheapest)
Benchmark Comparison
8
Benchmarks Compared
4
GPT-5 Codex Wins
0
Qwen-Max Wins
Benchmark Scores
| Benchmark | GPT-5 Codex | Qwen-Max | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 44.5 | 16.3 | |
Coding Index Code generation & understanding | 38.9 | - | - |
Math Index Mathematical reasoning | 98.7 | - | - |
MMLU Pro Academic knowledge | 86.5 | 76.2 | |
GPQA Graduate-level science | 83.7 | 58.7 | |
LiveCodeBench Competitive programming | 84.0 | 35.9 | |
Aider Real-world code editing | - | 21.8 | - |
AIME Competition math | - | 23.3 | - |
GPT-5 Codex significantly outperforms in coding benchmarks.
Cost vs Quality
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Y-axis:
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GPT-5 Codex
Other models
Context & Performance
Context Window
GPT-5 Codex
400,000
tokens
Max output: 128,000 tokens
Qwen-Max
32,768
tokens
Max output: 8,192 tokens
GPT-5 Codex has a 92% larger context window.
Speed Performance
| Metric | GPT-5 Codex | Qwen-Max | Winner |
|---|---|---|---|
| Tokens/second | 314.7 tok/s | 41.0 tok/s | |
| Time to First Token | 10.95s | 1.15s |
GPT-5 Codex responds 667% faster on average.
Capabilities
Feature Comparison
| Feature | GPT-5 Codex | Qwen-Max |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5 Codex | Qwen-Max |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Qwen |
| Released | Sep 2025 | Feb 2025 |
GPT-5 Codex Modalities
Input
textimage
Output
text
Qwen-Max Modalities
Input
text
Output
text