Claude 3 Opus vs Grok 4

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

Grok 4 by xAI wins on 14 of 14 benchmarks against Claude 3 Opus by Anthropic, which leads on 0. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.

Category-by-Category Breakdown

General Intelligence: In general intelligence, Grok 4 scores 1430 on Chatbot Arena ELO compared to Claude 3 Opus's 1240, while Grok 4 scores 87.0% on MMLU-Pro compared to Claude 3 Opus's 68.0%.

Coding: In coding, Grok 4 scores 90.0% on HumanEval+ compared to Claude 3 Opus's 78.0%, while Grok 4 scores 72.0% on SWE-bench Verified compared to Claude 3 Opus's 22.0%, while Grok 4 scores 65.0% on LiveCodeBench compared to Claude 3 Opus's 32.0%.

Math: In math, Grok 4 scores 91.0% on MATH compared to Claude 3 Opus's 68.0%, while Grok 4 scores 97.0% on GSM8K compared to Claude 3 Opus's 88.0%.

Reasoning: In reasoning, Grok 4 scores 87.0% on GPQA Diamond compared to Claude 3 Opus's 59.4%, while Grok 4 scores 50.0% on ARC-AGI compared to Claude 3 Opus's 8.0%.

Context: In context, Grok 4 scores 256K on Context Length compared to Claude 3 Opus's 200K.

Pricing Comparison

Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while Grok 4 costs $3.0/1M input and $15.0/1M output. Grok 4 is the more affordable option for API usage.

Speed Comparison

Claude 3 Opus generates output at 25 tok/s compared to Grok 4's 55 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 500 ms for Grok 4. Grok 4 delivers faster throughput.

Verdict

Grok 4 leads across the board in coding, general intelligence, math, affordability, speed, making it the stronger overall choice in this comparison.

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Claude 3 Opus vs Grok 4 — FAQ

Which is better, Claude 3 Opus or Grok 4?

Grok 4 wins on more benchmarks overall (14 vs 0). However, the best choice depends on your specific needs — each model excels in different areas.

How does Claude 3 Opus compare to Grok 4 for coding?

Grok 4 is better for coding, scoring 72.0% 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 4?

Yes, Grok 4 is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Grok 4 costs $3.0/1M input and $15.0/1M output tokens.

Which is faster, Claude 3 Opus or Grok 4?

Grok 4 is faster, generating output at 55 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 4 comparison cover?

This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, SWE-bench Verified, GPQA Diamond, Output Speed, Time to First Token, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.