Key Takeaways
GPT-OSS-120b wins:
- Higher intelligence benchmark
- Better at coding
- Better at math
GPT-OSS-20b wins:
- Cheaper input tokens
- Faster response time
Price Advantage
GPT-OSS-20b
Benchmark Advantage
GPT-OSS-120b
Context Window
GPT-OSS-20b
Speed
GPT-OSS-20b
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | GPT-OSS-120b | GPT-OSS-20b |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | GPT-OSS-120b | GPT-OSS-20b |
|---|---|---|
| License | Open Source | Open Source |
| Author | OpenAI | OpenAI |
| Released | Aug 2025 | Aug 2025 |
GPT-OSS-120b Modalities
Input
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Output
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GPT-OSS-20b Modalities
Input
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Output
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