Anthropic: Claude 3.5 Sonnet vs xAI: Grok 3
Side-by-side comparison of Anthropic: Claude 3.5 Sonnet and xAI: Grok 3. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceAnthropic: Claude 3.5 Sonnet leads overall
Anthropic: Claude 3.5 Sonnet leads in context window and capabilities and max output, making it the stronger choice for most workflows. xAI: Grok 3 remains competitive with advantages in price.
Best for with Anthropic: Claude 3.5 Sonnet
Best for with xAI: Grok 3
Side-by-side
Technical specifications
| Anthropic: Claude 3.5 Sonnet | xAI: Grok 3 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Input price | $6/M | $3/M |
| Output price | $30/M | $15/M |
| Context window | 200K | 131K |
| Max output | 8K | N/A |
| Capabilities | Tool useVision | Tool use |
| Released | Oct 21, 2024 | Jun 10, 2025 |
Scoring breakdown
How each dimension compares
Price
xAI: Grok 3 leadsAnthropic: Claude 3.5 Sonnet
$30/M tokens
xAI: Grok 3
$15/M tokens
Context Window
Anthropic: Claude 3.5 Sonnet leadsAnthropic: Claude 3.5 Sonnet
200K tokens
xAI: Grok 3
131K tokens
Capabilities
Anthropic: Claude 3.5 Sonnet leadsAnthropic: Claude 3.5 Sonnet
2/4
xAI: Grok 3
1/4
Max Output
Anthropic: Claude 3.5 Sonnet leadsAnthropic: Claude 3.5 Sonnet
8K tokens
xAI: Grok 3
N/A
Recency
Anthropic: Claude 3.5 Sonnet
Oct 2024
xAI: Grok 3
Jun 2025
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