Key Takeaways
Claude Opus 4.1 wins:
- No clear advantages in compared metrics
o1 wins:
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
Price Advantage
o1
Benchmark Advantage
o1
Context Window
o1
Speed
o1
Pricing Comparison
Price Comparison
| Metric | Claude Opus 4.1 | o1 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $15.00 | $15.00 | Tie |
| Output (per 1M tokens) | $75.00 | $60.00 | o1 |
| Cache Read (per 1M) | $1500000.00 | $7500000.00 | Claude Opus 4.1 |
| Cache Write (per 1M) | $18750000.00 | N/A | Claude Opus 4.1 |
Using a 3:1 input/output ratio, o1 is 13% cheaper overall.
Claude Opus 4.1 Providers
Amazon Bedrock $15.00 (Cheapest)
Google $15.00 (Cheapest)
Anthropic $15.00 (Cheapest)
o1 Providers
OpenAI $15.00 (Cheapest)
Vercel $15.00 (Cheapest)
Azure $15.00 (Cheapest)
Benchmark Comparison
7
Benchmarks Compared
0
Claude Opus 4.1 Wins
1
o1 Wins
Benchmark Scores
| Benchmark | Claude Opus 4.1 | o1 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 23.6 | 30.7 | |
Coding Index Code generation & understanding | - | 20.5 | - |
MMLU Pro Academic knowledge | - | 84.1 | - |
GPQA Graduate-level science | - | 74.7 | - |
LiveCodeBench Competitive programming | - | 67.9 | - |
Aider Real-world code editing | - | 84.2 | - |
AIME Competition math | - | 72.3 | - |
o1 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Other models
Context & Performance
Context Window
Claude Opus 4.1
200,000
tokens
Max output: 32,000 tokens
o1
200,000
tokens
Max output: 100,000 tokens
Speed Performance
| Metric | Claude Opus 4.1 | o1 | Winner |
|---|---|---|---|
| Tokens/second | 40.3 tok/s | 177.0 tok/s | |
| Time to First Token | 1.48s | 17.68s |
o1 responds 339% faster on average.
Capabilities
Feature Comparison
| Feature | Claude Opus 4.1 | o1 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Claude Opus 4.1 | o1 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | OpenAI |
| Released | Aug 2025 | Dec 2024 |
Claude Opus 4.1 Modalities
Input
imagetextfile
Output
text
o1 Modalities
Input
textimagefile
Output
text