Key Takeaways
GPT-OSS-20b wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Qwen3 8B wins:
- Supports tool calls
Price Advantage
GPT-OSS-20b
Benchmark Advantage
GPT-OSS-20b
Context Window
GPT-OSS-20b
Speed
GPT-OSS-20b
Pricing Comparison
Price Comparison
| Metric | GPT-OSS-20b | Qwen3 8B | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.02 | $0.05 | GPT-OSS-20b |
| Output (per 1M tokens) | $0.10 | $0.25 | GPT-OSS-20b |
Using a 3:1 input/output ratio, GPT-OSS-20b is 60% cheaper overall.
GPT-OSS-20b Providers
GMICloud $0.02 (Cheapest)
DeepInfra $0.03
Parasail $0.04
Phala $0.04
SiliconFlow $0.04
Qwen3 8B Providers
Novita $0.04 (Cheapest)
Fireworks $0.20
OpenRouter $N/A
Benchmark Comparison
7
Benchmarks Compared
6
GPT-OSS-20b Wins
0
Qwen3 8B Wins
Benchmark Scores
| Benchmark | GPT-OSS-20b | Qwen3 8B | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 24.7 | 10.8 | |
Coding Index Code generation & understanding | 18.1 | 7.0 | |
Math Index Mathematical reasoning | 89.3 | 24.3 | |
MMLU Pro Academic knowledge | 74.8 | 64.3 | |
GPQA Graduate-level science | 68.8 | 45.2 | |
LiveCodeBench Competitive programming | 77.7 | 20.2 | |
AIME Competition math | - | 24.3 | - |
GPT-OSS-20b significantly outperforms in coding benchmarks.
Cost vs Quality
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GPT-OSS-20b
Other models
Context & Performance
Context Window
GPT-OSS-20b
131,072
tokens
Max output: 131,072 tokens
Qwen3 8B
32,000
tokens
Max output: 8,192 tokens
GPT-OSS-20b has a 76% larger context window.
Speed Performance
| Metric | GPT-OSS-20b | Qwen3 8B | Winner |
|---|---|---|---|
| Tokens/second | 309.0 tok/s | 76.3 tok/s | |
| Time to First Token | 0.51s | 0.96s |
GPT-OSS-20b responds 305% faster on average.
Capabilities
Feature Comparison
| Feature | GPT-OSS-20b | Qwen3 8B |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | GPT-OSS-20b | Qwen3 8B |
|---|---|---|
| License | Open Source | Open Source |
| Author | OpenAI | Qwen |
| Released | Aug 2025 | Apr 2025 |
GPT-OSS-20b Modalities
Input
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Output
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Qwen3 8B Modalities
Input
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Output
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