Key Takeaways
Claude 3.7 Sonnet wins:
- Cheaper input tokens
- Cheaper output tokens
- Better at math
- Has reasoning mode
- Supports tool calls
Claude Opus 4.6 wins:
- Larger context window
- Higher intelligence benchmark
- Better at coding
Price Advantage
Claude 3.7 Sonnet
Benchmark Advantage
Claude Opus 4.6
Context Window
Claude Opus 4.6
Speed
N/A
Pricing Comparison
Price Comparison
| Metric | Claude 3.7 Sonnet | Claude Opus 4.6 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $3.00 | $5.00 | Claude 3.7 Sonnet |
| Output (per 1M tokens) | $15.00 | $25.00 | Claude 3.7 Sonnet |
| Cache Read (per 1M) | $300000.00 | $500000.00 | Claude 3.7 Sonnet |
| Cache Write (per 1M) | $3750000.00 | $6250000.00 | Claude 3.7 Sonnet |
Using a 3:1 input/output ratio, Claude 3.7 Sonnet is 40% cheaper overall.
Claude 3.7 Sonnet Providers
Vercel $3.00 (Cheapest)
Amazon Bedrock $3.00 (Cheapest)
Google $3.00 (Cheapest)
Anthropic $3.00 (Cheapest)
Claude Opus 4.6 Providers
Amazon Bedrock $5.00 (Cheapest)
Google $5.00 (Cheapest)
Anthropic $5.00 (Cheapest)
Benchmark Comparison
8
Benchmarks Compared
0
Claude 3.7 Sonnet Wins
3
Claude Opus 4.6 Wins
Benchmark Scores
| Benchmark | Claude 3.7 Sonnet | Claude Opus 4.6 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 30.8 | 46.4 | |
Coding Index Code generation & understanding | 26.7 | 47.6 | |
Math Index Mathematical reasoning | 21.0 | - | - |
MMLU Pro Academic knowledge | 80.3 | - | - |
GPQA Graduate-level science | 65.6 | 84.0 | |
LiveCodeBench Competitive programming | 39.4 | - | - |
Aider Real-world code editing | 64.9 | - | - |
AIME Competition math | 22.3 | - | - |
Claude Opus 4.6 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Claude 3.7 Sonnet
Other models
Context & Performance
Context Window
Claude 3.7 Sonnet
200,000
tokens
Max output: 64,000 tokens
Claude Opus 4.6
1,000,000
tokens
Max output: 128,000 tokens
Claude Opus 4.6 has a 80% larger context window.
Speed Performance
| Metric | Claude 3.7 Sonnet | Claude Opus 4.6 | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 0.0 tok/s | |
| Time to First Token | 0.00s | 0.00s |
Capabilities
Feature Comparison
| Feature | Claude 3.7 Sonnet | Claude Opus 4.6 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Claude 3.7 Sonnet | Claude Opus 4.6 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | Anthropic |
| Released | Feb 2025 | Feb 2026 |
Claude 3.7 Sonnet Modalities
Input
textimagefile
Output
text
Claude Opus 4.6 Modalities
Input
textimage
Output
text