Key Takeaways
Claude 3.5 Sonnet wins:
- Supports tool calls
Claude Opus 4.6 wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Higher intelligence benchmark
- Better at coding
Price Advantage
Claude Opus 4.6
Benchmark Advantage
Claude Opus 4.6
Context Window
Claude Opus 4.6
Speed
N/A
Pricing Comparison
Price Comparison
| Metric | Claude 3.5 Sonnet | Claude Opus 4.6 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $6.00 | $5.00 | Claude Opus 4.6 |
| Output (per 1M tokens) | $30.00 | $25.00 | Claude Opus 4.6 |
| Cache Read (per 1M) | N/A | $500000.00 | Claude Opus 4.6 |
| Cache Write (per 1M) | N/A | $6250000.00 | Claude Opus 4.6 |
Using a 3:1 input/output ratio, Claude Opus 4.6 is 17% cheaper overall.
Claude 3.5 Sonnet Providers
Vercel $3.00 (Cheapest)
Amazon Bedrock $6.00
Claude Opus 4.6 Providers
Amazon Bedrock $5.00 (Cheapest)
Google $5.00 (Cheapest)
Anthropic $5.00 (Cheapest)
Benchmark Comparison
7
Benchmarks Compared
0
Claude 3.5 Sonnet Wins
3
Claude Opus 4.6 Wins
Benchmark Scores
| Benchmark | Claude 3.5 Sonnet | Claude Opus 4.6 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 15.9 | 46.4 | |
Coding Index Code generation & understanding | 30.2 | 47.6 | |
MMLU Pro Academic knowledge | 77.2 | - | - |
GPQA Graduate-level science | 59.9 | 84.0 | |
LiveCodeBench Competitive programming | 38.1 | - | - |
Aider Real-world code editing | 84.2 | - | - |
AIME Competition math | 15.7 | - | - |
Claude Opus 4.6 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
Claude 3.5 Sonnet
Other models
Context & Performance
Context Window
Claude 3.5 Sonnet
200,000
tokens
Max output: 8,192 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 3.5 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 3.5 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 3.5 Sonnet | Claude Opus 4.6 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | Anthropic |
| Released | Oct 2024 | Feb 2026 |
Claude 3.5 Sonnet Modalities
Input
textimagefile
Output
text
Claude Opus 4.6 Modalities
Input
textimage
Output
text