Grok 4 vs o1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4 by xAI wins on 13 of 15 benchmarks against o1 by OpenAI, which leads on 2. 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 o1's 1360, while Grok 4 scores 87.0% on MMLU-Pro compared to o1's 82.0%.
Coding: In coding, Grok 4 scores 90.0% on HumanEval+ compared to o1's 89.0%, while Grok 4 scores 72.0% on SWE-bench Verified compared to o1's 48.9%, while Grok 4 scores 65.0% on LiveCodeBench compared to o1's 55.0%.
Math: In math, o1 scores 94.8% on MATH compared to Grok 4's 91.0%, while o1 scores 97.5% on GSM8K compared to Grok 4's 97.0%, while Grok 4 scores 93.0% on AIME 2025 compared to o1's 74.0%.
Reasoning: In reasoning, Grok 4 scores 87.0% on GPQA Diamond compared to o1's 77.3%, while Grok 4 scores 50.0% on ARC-AGI compared to o1's 32.0%.
Context: In context, Grok 4 scores 256K on Context Length compared to o1's 200K.
Pricing Comparison
Grok 4 costs $3.0/1M input tokens and $15.0/1M output tokens, while o1 costs $15.0/1M input and $60.0/1M output. Grok 4 is the more affordable option for API usage.
Speed Comparison
Grok 4 generates output at 55 tok/s compared to o1's 35 tok/s, and the time to first token is 500 ms for Grok 4 versus 1000 ms for o1. Grok 4 delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and affordability and speed, Grok 4 has the edge. For those who value math, o1 is the stronger choice.
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Grok 4 vs o1 — FAQ
Which is better, Grok 4 or o1?
Grok 4 wins on more benchmarks overall (13 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.
How does Grok 4 compare to o1 for coding?
Grok 4 is better for coding, scoring 72.0% on SWE-bench Verified compared to 48.9%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Grok 4 cheaper than o1?
Yes, Grok 4 is cheaper. Grok 4 costs $3.0/1M input and $15.0/1M output tokens. o1 costs $15.0/1M input and $60.0/1M output tokens.
Which is faster, Grok 4 or o1?
Grok 4 is faster, generating output at 55 tok/s compared to 35 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Grok 4 vs o1 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.