Key Takeaways
Claude Opus 4.6 wins:
- Faster response time
- Higher intelligence benchmark
- Better at coding
Claude Sonnet 4.6 wins:
- Cheaper input tokens
- Cheaper output tokens
- Has reasoning mode
- Supports tool calls
Price Advantage
Claude Sonnet 4.6
Benchmark Advantage
Claude Opus 4.6
Context Window
Claude Sonnet 4.6
Speed
Claude Opus 4.6
Pricing Comparison
Price Comparison
| Metric | Claude Opus 4.6 | Claude Sonnet 4.6 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $5.00 | $3.00 | Claude Sonnet 4.6 |
| Output (per 1M tokens) | $25.00 | $15.00 | Claude Sonnet 4.6 |
| Cache Read (per 1M) | $500000.00 | $300000.00 | Claude Sonnet 4.6 |
| Cache Write (per 1M) | $6250000.00 | $3750000.00 | Claude Sonnet 4.6 |
Using a 3:1 input/output ratio, Claude Sonnet 4.6 is 40% cheaper overall.
Claude Opus 4.6 Providers
Amazon Bedrock $5.00 (Cheapest)
Google $5.00 (Cheapest)
Anthropic $5.00 (Cheapest)
Claude Sonnet 4.6 Providers
Amazon Bedrock $3.00 (Cheapest)
Google $3.00 (Cheapest)
Anthropic $3.00 (Cheapest)
Benchmark Comparison
3
Benchmarks Compared
3
Claude Opus 4.6 Wins
0
Claude Sonnet 4.6 Wins
Benchmark Scores
| Benchmark | Claude Opus 4.6 | Claude Sonnet 4.6 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 46.4 | 44.3 | |
Coding Index Code generation & understanding | 47.6 | 46.4 | |
GPQA Graduate-level science | 84.0 | 79.9 |
Claude Opus 4.6 wins 3 out of 3 benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Other models
Context & Performance
Context Window
Claude Opus 4.6
1,000,000
tokens
Max output: 128,000 tokens
Claude Sonnet 4.6
1,000,000
tokens
Max output: 128,000 tokens
Speed Performance
| Metric | Claude Opus 4.6 | Claude Sonnet 4.6 | Winner |
|---|---|---|---|
| Tokens/second | 68.8 tok/s | 56.3 tok/s | |
| Time to First Token | 1.69s | 0.80s |
Claude Opus 4.6 responds 22% faster on average.
Capabilities
Feature Comparison
| Feature | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | Anthropic |
| Released | Feb 2026 | Feb 2026 |
Claude Opus 4.6 Modalities
Input
textimage
Output
text
Claude Sonnet 4.6 Modalities
Input
textimage
Output
text