Key Takeaways
R1 wins:
- Cheaper input tokens
- Cheaper output tokens
- Has reasoning mode
GPT-5 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Supports vision
Price Advantage
R1
Benchmark Advantage
GPT-5
Context Window
GPT-5
Speed
GPT-5
Pricing Comparison
Price Comparison
| Metric | R1 | GPT-5 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.70 | $1.25 | R1 |
| Output (per 1M tokens) | $2.50 | $10.00 | R1 |
| Cache Read (per 1M) | N/A | $0.13 | GPT-5 |
Using a 3:1 input/output ratio, R1 is 67% cheaper overall.
R1 Providers
Vercel $0.55 (Cheapest)
Novita $0.70
Azure $1.49
Together $3.00
GPT-5 Providers
OpenAI $1.25 (Cheapest)
Azure $1.25 (Cheapest)
Benchmark Comparison
8
Benchmarks Compared
0
R1 Wins
8
GPT-5 Wins
Benchmark Scores
| Benchmark | R1 | GPT-5 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 18.8 | 44.6 | |
Coding Index Code generation & understanding | 15.9 | 36.0 | |
Math Index Mathematical reasoning | 68.0 | 94.3 | |
MMLU Pro Academic knowledge | 84.4 | 87.1 | |
GPQA Graduate-level science | 70.8 | 85.4 | |
LiveCodeBench Competitive programming | 61.7 | 84.6 | |
Aider Real-world code editing | 64.0 | 88.0 | |
AIME Competition math | 68.3 | 95.7 |
GPT-5 significantly outperforms in coding benchmarks.
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-5
400,000
tokens
Max output: 128,000 tokens
GPT-5 has a 84% larger context window.
Speed Performance
| Metric | R1 | GPT-5 | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 92.9 tok/s | |
| Time to First Token | 0.00s | 97.82s |
GPT-5 responds Infinity% faster on average.
Capabilities
Feature Comparison
| Feature | R1 | GPT-5 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | R1 | GPT-5 |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Deepseek | OpenAI |
| Released | Jan 2025 | Aug 2025 |
R1 Modalities
Input
text
Output
text
GPT-5 Modalities
Input
textimagefile
Output
text