Key Takeaways
Seed 1.6 Flash wins:
- Larger context window
GPT-OSS-120b wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
GPT-OSS-120b
Benchmark Advantage
GPT-OSS-120b
Context Window
Seed 1.6 Flash
Speed
GPT-OSS-120b
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | Seed 1.6 Flash | GPT-OSS-120b |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | Seed 1.6 Flash | GPT-OSS-120b |
|---|---|---|
| License | Proprietary | Open Source |
| Author | Bytedance-seed | OpenAI |
| Released | Dec 2025 | Aug 2025 |
Seed 1.6 Flash Modalities
Input
imagetextvideo
Output
text
GPT-OSS-120b Modalities
Input
text
Output
text