Anthropic: Claude Opus 4.6 vs Anthropic: Claude Sonnet 4
Side-by-side comparison of Anthropic: Claude Opus 4.6 and Anthropic: Claude Sonnet 4. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceAnthropic: Claude Opus 4.6 leads overall
Anthropic: Claude Opus 4.6 leads in context window and max output, making it the stronger choice for most workflows. Anthropic: Claude Sonnet 4 remains competitive with advantages in price.
Best for with Anthropic: Claude Opus 4.6
Best for with Anthropic: Claude Sonnet 4
Side-by-side
Technical specifications
| Anthropic: Claude Opus 4.6 | Anthropic: Claude Sonnet 4 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input price | $5/M | $3/M |
| Output price | $25/M | $15/M |
| Context window | 1.0M | 200K |
| Max output | 128K | 64K |
| Capabilities | Tool useVisionReasoning | Tool useVisionReasoning |
| Released | Feb 4, 2026 | May 22, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude Sonnet 4 leadsAnthropic: Claude Opus 4.6
$25/M tokens
Anthropic: Claude Sonnet 4
$15/M tokens
Context Window
Anthropic: Claude Opus 4.6 leadsAnthropic: Claude Opus 4.6
1.0M tokens
Anthropic: Claude Sonnet 4
200K tokens
Capabilities
Anthropic: Claude Opus 4.6
3/4
Anthropic: Claude Sonnet 4
3/4
Max Output
Anthropic: Claude Opus 4.6 leadsAnthropic: Claude Opus 4.6
128K tokens
Anthropic: Claude Sonnet 4
64K tokens
Recency
Anthropic: Claude Opus 4.6
Feb 2026
Anthropic: Claude Sonnet 4
May 2025
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