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) | $0.03 | $0.05 | GPT-OSS-20b |
| Output (per 1M tokens) | $0.14 | $0.40 | GPT-OSS-20b |
| Cache Read (per 1M) | N/A | $0.05 | Qwen3 8B |
Using a 3:1 input/output ratio, GPT-OSS-20b is 58% cheaper overall.
GPT-OSS-20b Providers
DeepInfra $0.03 (Cheapest)
Parasail $0.04
Novita $0.04
NCompass $0.04
Clarifai $0.04
Qwen3 8B Providers
AtlasCloud $0.05 (Cheapest)
Alibaba $0.12
Fireworks $0.20
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 | 24.5 | 13.2 | |
Coding Index Code generation & understanding | 18.5 | 7.1 | |
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
Qwen3 8B
40,960
tokens
Max output: 8,192 tokens
GPT-OSS-20b has a 69% larger context window.
Speed Performance
| Metric | GPT-OSS-20b | Qwen3 8B | Winner |
|---|---|---|---|
| Tokens/second | 321.8 tok/s | 64.0 tok/s | |
| Time to First Token | 0.45s | 1.00s |
GPT-OSS-20b responds 403% 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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