Key Takeaways
GPT-5 Nano wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
Qwen3 8B wins:
- No clear advantages in compared metrics
Price Advantage
GPT-5 Nano
Benchmark Advantage
GPT-5 Nano
Context Window
GPT-5 Nano
Speed
GPT-5 Nano
Pricing Comparison
Price Comparison
| Metric | GPT-5 Nano | Qwen3 8B | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.05 | $0.05 | Tie |
| Output (per 1M tokens) | $0.40 | $0.40 | Tie |
| Cache Read (per 1M) | $5000.00 | $50000.00 | GPT-5 Nano |
Both models have similar overall pricing.
GPT-5 Nano Providers
OpenAI $0.05 (Cheapest)
Azure $0.05 (Cheapest)
Qwen3 8B Providers
AtlasCloud $0.05 (Cheapest)
Alibaba $0.12
Benchmark Comparison
7
Benchmarks Compared
6
GPT-5 Nano Wins
0
Qwen3 8B Wins
Benchmark Scores
| Benchmark | GPT-5 Nano | Qwen3 8B | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 26.7 | 10.6 | |
Coding Index Code generation & understanding | 20.3 | 7.1 | |
Math Index Mathematical reasoning | 83.7 | 24.3 | |
MMLU Pro Academic knowledge | 78.0 | 64.3 | |
GPQA Graduate-level science | 67.6 | 45.2 | |
LiveCodeBench Competitive programming | 78.9 | 20.2 | |
AIME Competition math | - | 24.3 | - |
GPT-5 Nano significantly outperforms in coding benchmarks.
Cost vs Quality
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Y-axis:
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GPT-5 Nano
Other models
Context & Performance
Context Window
GPT-5 Nano
400,000
tokens
Max output: 128,000 tokens
Qwen3 8B
32,000
tokens
Max output: 8,192 tokens
GPT-5 Nano has a 92% larger context window.
Speed Performance
| Metric | GPT-5 Nano | Qwen3 8B | Winner |
|---|---|---|---|
| Tokens/second | 141.5 tok/s | 79.6 tok/s | |
| Time to First Token | 110.10s | 1.04s |
GPT-5 Nano responds 78% faster on average.
Capabilities
Feature Comparison
| Feature | GPT-5 Nano | Qwen3 8B |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-5 Nano | Qwen3 8B |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Qwen |
| Released | Aug 2025 | Apr 2025 |
GPT-5 Nano Modalities
Input
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Output
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Qwen3 8B Modalities
Input
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Output
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