Claude 3.7 Sonnet vs Grok 4
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4 by xAI wins on 10 of 15 benchmarks against Claude 3.7 Sonnet by Anthropic, which leads on 3. 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 3.7 Sonnet's 1340, while Grok 4 scores 87.0% on MMLU-Pro compared to Claude 3.7 Sonnet's 79.0%.
Coding: In coding, Grok 4 scores 90.0% on HumanEval+ compared to Claude 3.7 Sonnet's 86.0%, while Grok 4 scores 72.0% on SWE-bench Verified compared to Claude 3.7 Sonnet's 62.3%, while Grok 4 scores 65.0% on LiveCodeBench compared to Claude 3.7 Sonnet's 52.0%.
Math: In math, Claude 3.7 Sonnet scores 96.2% on MATH compared to Grok 4's 91.0%, while Grok 4 scores 97.0% on GSM8K compared to Claude 3.7 Sonnet's 95.0%, while Grok 4 scores 93.0% on AIME 2025 compared to Claude 3.7 Sonnet's 52.7%.
Reasoning: In reasoning, Grok 4 scores 87.0% on GPQA Diamond compared to Claude 3.7 Sonnet's 84.8%, while Grok 4 scores 50.0% on ARC-AGI compared to Claude 3.7 Sonnet's 38.0%.
Context: In context, Grok 4 scores 256K on Context Length compared to Claude 3.7 Sonnet's 200K.
Pricing Comparison
Claude 3.7 Sonnet costs $3.0/1M input tokens and $15.0/1M output tokens, while Grok 4 costs $3.0/1M input and $15.0/1M output. Both models are priced identically for input tokens.
Speed Comparison
Claude 3.7 Sonnet generates output at 70 tok/s compared to Grok 4's 55 tok/s, and the time to first token is 420 ms for Claude 3.7 Sonnet versus 500 ms for Grok 4. Claude 3.7 Sonnet delivers faster throughput.
Verdict
For developers prioritizing math and speed, Claude 3.7 Sonnet has the edge. For those who value coding and general intelligence, Grok 4 is the stronger choice.
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Claude 3.7 Sonnet vs Grok 4 — FAQ
Which is better, Claude 3.7 Sonnet or Grok 4?
Grok 4 wins on more benchmarks overall (10 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3.7 Sonnet compare to Grok 4 for coding?
Grok 4 is better for coding, scoring 72.0% on SWE-bench Verified compared to 62.3%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude 3.7 Sonnet cheaper than Grok 4?
Both models are priced the same at $3.0/1M input tokens. Claude 3.7 Sonnet output costs $15.0/1M and Grok 4 output costs $15.0/1M.
Which is faster, Claude 3.7 Sonnet or Grok 4?
Claude 3.7 Sonnet is faster, generating output at 70 tok/s compared to 55 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3.7 Sonnet vs Grok 4 comparison cover?
This comparison covers 15 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.