Key Takeaways
R1 wins:
- Has reasoning mode
- Supports tool calls
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
Price Advantage
GPT-OSS-20b
Benchmark Advantage
GPT-OSS-20b
Context Window
GPT-OSS-20b
Speed
GPT-OSS-20b
Pricing Comparison
Price Comparison
| Metric | R1 | GPT-OSS-20b | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.70 | $0.03 | GPT-OSS-20b |
| Output (per 1M tokens) | $2.50 | $0.14 | GPT-OSS-20b |
Using a 3:1 input/output ratio, GPT-OSS-20b is 95% cheaper overall.
R1 Providers
Vercel $0.55 (Cheapest)
Novita $0.70
Azure $1.49
Together $3.00
GPT-OSS-20b Providers
DeepInfra $0.03 (Cheapest)
Parasail $0.04
Novita $0.04
NCompass $0.04
Clarifai $0.04
Benchmark Comparison
8
Benchmarks Compared
2
R1 Wins
4
GPT-OSS-20b Wins
Benchmark Scores
| Benchmark | R1 | GPT-OSS-20b | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 18.8 | 24.5 | |
Coding Index Code generation & understanding | 15.9 | 18.5 | |
Math Index Mathematical reasoning | 68.0 | 89.3 | |
MMLU Pro Academic knowledge | 84.4 | 74.8 | |
GPQA Graduate-level science | 70.8 | 68.8 | |
LiveCodeBench Competitive programming | 61.7 | 77.7 | |
Aider Real-world code editing | 64.0 | - | - |
AIME Competition math | 68.3 | - | - |
GPT-OSS-20b shows stronger mathematical reasoning abilities.
Cost vs Quality
X-axis:
Y-axis:
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R1
Other models
Context & Performance
Context Window
R1
64,000
tokens
Max output: 16,000 tokens
GPT-OSS-20b
131,072
tokens
GPT-OSS-20b has a 51% larger context window.
Speed Performance
| Metric | R1 | GPT-OSS-20b | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 321.8 tok/s | |
| Time to First Token | 0.00s | 0.45s |
GPT-OSS-20b responds Infinity% faster on average.
Capabilities
Feature Comparison
| Feature | R1 | GPT-OSS-20b |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | R1 | GPT-OSS-20b |
|---|---|---|
| License | Open Source | Open Source |
| Author | Deepseek | OpenAI |
| Released | Jan 2025 | Aug 2025 |
R1 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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