Grok 4 vs Claude Opus 4.5
Comprehensive comparison between xAI's Grok 4 and Anthropic's Claude Opus 4.5. Compare pricing, performance, features, and user reviews.
Grok 4
xAIxAI's flagship model with deep X (Twitter) integration. Strong real-time web search capabilities with a humorous and direct style. Ideal for scenarios requiring latest information and social media analysis.
Claude Opus 4.5
AnthropicAnthropic's flagship model, widely recognized as the top coding model. Excels at complex refactoring, large codebase comprehension, and agentic coding. Claude Code makes it the go-to choice for professional developers.
Specs Comparison
| Specification | Grok 4 | Claude Opus 4.5 |
|---|---|---|
| Context Window | 128K | 200K |
| Max Output | 32K | 64K |
| Input (per 1M tokens) | $3.00 | $5.00 |
| Output (per 1M tokens) | $15.00 | $25.00 |
| Reasoning | ||
| Open Source |
Scenario Score Comparison
Grok 4
Pros
- + Real-time web search
- + X ecosystem integration
- + Humorous style
- + Included in Premium+
Cons
- − Average coding ability
- − Smaller ecosystem
- − X users only
Claude Opus 4.5
Pros
- + Top-tier coding ability
- + Highest code quality
- + Strong context understanding
- + Mature Claude Code ecosystem
Cons
- − Highest pricing ($15/1M input)
- − Average response speed
- − Strict quota limits
Recommendation
Choose Grok 4 if you:
- • Need real-time web search
- • Need x ecosystem integration
- • Need humorous style
Choose Claude Opus 4.5 if you:
- • Need top-tier coding ability
- • Need highest code quality
- • Need strong context understanding
Based on scores across 8 scenarios, Claude Opus 4.5 performs better overall.
Get Started with Grok 4
💡 Grok is exclusive to X Premium+ subscribers.
Get Started with Claude Opus 4.5
💡 Free tier uses Sonnet. Upgrade to Pro for Opus.
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