Grok 2 vs Claude 3 Opus
Pricing, context window, and benchmark comparison · Last updated April 2026
Grok 2 is cheaper than Claude 3 Opus at $2.00/1M/1M vs $15.00/1M/1M input tokens — a 7.5x cost difference. Grok 2 scores higher on quality benchmarks (ELO 1290). Choose Grok 2 for cost-sensitive workloads; both are strong choices depending on your budget.
Which is cheaper: Grok 2 or Claude 3 Opus?
Grok 2 is the cheaper option at $2.00/1M per 1M input tokens, compared to $15.00/1M for Claude 3 Opus. That is a 7.5x cost difference on input tokens. Output pricing follows a similar pattern: Grok 2 charges $10.00/1M/1M vs $75.00/1M/1M for Claude 3 Opus.
Which has better quality: Grok 2 or Claude 3 Opus?
Based on LMSYS Chatbot Arena rankings, Grok 2 achieves a higher ELO score (1290 vs 1249), suggesting stronger performance on open-ended tasks. Grok 2 excels at real-time x (twitter) data access. Claude 3 Opus is known for best claude model for creative writing.
Which should you choose: Grok 2 or Claude 3 Opus?
- → Real-time X (Twitter) data access
- → Strong at current events and trending topics
- → Good humor and conversational ability
- → Best Claude model for creative writing
- → 200K context window
- → Deep, thoughtful long-form analysis
Frequently Asked Questions
Which is cheaper: Grok 2 or Claude 3 Opus?
Grok 2 is cheaper at $2.00/1M per 1M input tokens, making it 7.5x more affordable.
Which has better quality: Grok 2 or Claude 3 Opus?
Grok 2 scores higher on the LMSYS Chatbot Arena with an ELO of 1290, suggesting better overall quality for most tasks.
Which has a larger context window: Grok 2 or Claude 3 Opus?
Claude 3 Opus has a larger context window at 200K tokens.
Should I choose Grok 2 or Claude 3 Opus?
Choose Grok 2 if cost is the priority. Choose Grok 2 if benchmark quality is most important. Consider your specific use case: Grok 2 is best for research and creative-writing, while Claude 3 Opus excels at creative-writing and research.
Is Grok 2 or Claude 3 Opus open source?
Grok 2 is proprietary. Claude 3 Opus is proprietary.