Anthropic: Claude 3.5 Sonnet vs Anthropic: Claude Sonnet 4
Side-by-side comparison of Anthropic: Claude 3.5 Sonnet and Anthropic: Claude Sonnet 4. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceAnthropic: Claude Sonnet 4 leads overall
Anthropic: Claude Sonnet 4 leads in price and capabilities and max output, making it the stronger choice for most workflows. Anthropic: Claude 3.5 Sonnet remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude 3.5 Sonnet
Best for with Anthropic: Claude Sonnet 4
Side-by-side
Technical specifications
| Anthropic: Claude 3.5 Sonnet | Anthropic: Claude Sonnet 4 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input price | $6/M | $3/M |
| Output price | $30/M | $15/M |
| Context window | 200K | 200K |
| Max output | 8K | 64K |
| Capabilities | Tool useVision | Tool useVisionReasoning |
| Released | Oct 21, 2024 | May 22, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude Sonnet 4 leadsAnthropic: Claude 3.5 Sonnet
$30/M tokens
Anthropic: Claude Sonnet 4
$15/M tokens
Context Window
Anthropic: Claude 3.5 Sonnet
200K tokens
Anthropic: Claude Sonnet 4
200K tokens
Capabilities
Anthropic: Claude Sonnet 4 leadsAnthropic: Claude 3.5 Sonnet
2/4
Anthropic: Claude Sonnet 4
3/4
Max Output
Anthropic: Claude Sonnet 4 leadsAnthropic: Claude 3.5 Sonnet
8K tokens
Anthropic: Claude Sonnet 4
64K tokens
Recency
Anthropic: Claude 3.5 Sonnet
Oct 2024
Anthropic: Claude Sonnet 4
May 2025
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