Anthropic: Claude 3.7 Sonnet vs xAI: Grok 3
Side-by-side comparison of Anthropic: Claude 3.7 Sonnet and xAI: Grok 3. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceAnthropic: Claude 3.7 Sonnet leads overall
Anthropic: Claude 3.7 Sonnet leads in context window and capabilities and max output, making it the stronger choice for most workflows. xAI: Grok 3 remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude 3.7 Sonnet
Best for with xAI: Grok 3
Side-by-side
Technical specifications
| Anthropic: Claude 3.7 Sonnet | xAI: Grok 3 | |
|---|---|---|
| Provider | Anthropic | xAI |
| Input price | $3/M | $3/M |
| Output price | $15/M | $15/M |
| Context window | 200K | 131K |
| Max output | 64K | N/A |
| Capabilities | Tool useVisionReasoning | Tool use |
| Released | Feb 24, 2025 | Jun 10, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude 3.7 Sonnet
$15/M tokens
xAI: Grok 3
$15/M tokens
Context Window
Anthropic: Claude 3.7 Sonnet leadsAnthropic: Claude 3.7 Sonnet
200K tokens
xAI: Grok 3
131K tokens
Capabilities
Anthropic: Claude 3.7 Sonnet leadsAnthropic: Claude 3.7 Sonnet
3/4
xAI: Grok 3
1/4
Max Output
Anthropic: Claude 3.7 Sonnet leadsAnthropic: Claude 3.7 Sonnet
64K tokens
xAI: Grok 3
N/A
Recency
Anthropic: Claude 3.7 Sonnet
Feb 2025
xAI: Grok 3
Jun 2025
Related comparisons
Anthropic: Claude 3.5 Sonnet vs xAI: Grok 3
flagship tier · Cross-provider
Anthropic: Claude 3.7 Sonnet (thinking) vs xAI: Grok 3
flagship tier · Cross-provider
Anthropic: Claude 3.7 Sonnet vs Google: Gemini 2.5 Pro
flagship tier · Cross-provider
Anthropic: Claude 3.7 Sonnet vs Google: Gemini 2.5 Pro Preview 06-05
flagship tier · Cross-provider