Claude 3 Opus vs Grok 2

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

Grok 2 by xAI wins on 9 of 18 benchmarks against Claude 3 Opus by Anthropic, which leads on 4. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

General Intelligence: In general intelligence, Grok 2 scores 1250 on Chatbot Arena ELO compared to Claude 3 Opus's 1240, while both score 68.0% on MMLU-Pro, while both score 8.8 on MT-Bench, while Grok 2 scores 36.4% on SimpleQA compared to Claude 3 Opus's 29.0%, while Claude 3 Opus scores 81.0% on TruthfulQA compared to Grok 2's 79.0%.

Coding: In coding, both score 78.0% on HumanEval+, while Grok 2 scores 28.0% on SWE-bench Verified compared to Claude 3 Opus's 22.0%, while both score 32.0% on LiveCodeBench.

Math: In math, Grok 2 scores 70.0% on MATH compared to Claude 3 Opus's 68.0%, while both score 88.0% on GSM8K.

Reasoning: In reasoning, Claude 3 Opus scores 59.4% on GPQA Diamond compared to Grok 2's 45.0%, while Grok 2 scores 15.0% on ARC-AGI compared to Claude 3 Opus's 8.0%, while Claude 3 Opus scores 90.5% on Winogrande compared to Grok 2's 88.5%.

Context: In context, Claude 3 Opus scores 200K on Context Length compared to Grok 2's 131K.

Pricing Comparison

Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while Grok 2 costs $2.0/1M input and $10.0/1M output. Grok 2 is the more affordable option for API usage.

Speed Comparison

Claude 3 Opus generates output at 25 tok/s compared to Grok 2's 80 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 350 ms for Grok 2. Grok 2 delivers faster throughput.

Verdict

Grok 2 leads across the board in coding, general intelligence, math, affordability, speed, making it the stronger overall choice in this comparison.

View Individual Model Pages

Claude 3 Opus vs Grok 2 — FAQ

Which is better, Claude 3 Opus or Grok 2?

Grok 2 wins on more benchmarks overall (9 vs 4). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude 3 Opus compare to Grok 2 for coding?

Grok 2 is better for coding, scoring 28.0% on SWE-bench Verified compared to 22.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.

Is Claude 3 Opus cheaper than Grok 2?

Yes, Grok 2 is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Grok 2 costs $2.0/1M input and $10.0/1M output tokens.

Which is faster, Claude 3 Opus or Grok 2?

Grok 2 is faster, generating output at 80 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the Claude 3 Opus vs Grok 2 comparison cover?

This comparison covers 18 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MT-Bench, SimpleQA, MATH, TruthfulQA, GPQA Diamond, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.