GPT-4o mini vs Grok 3 Mini

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Grok 3 Mini is clearly ahead on the aggregate, 23 to 19. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Grok 3 Mini's sharpest advantage is in knowledge, where it averages 74.1 against 40.2. The single biggest benchmark swing on the page is AIME 2024, 8.6% to 39.7%. GPT-4o mini does hit back in coding, so the answer changes if that is the part of the workload you care about most.

GPT-4o mini is also the more expensive model on tokens at $0.15 input / $0.60 output per 1M tokens, versus $0.30 input / $0.50 output per 1M tokens for Grok 3 Mini.

Quick Verdict

Pick Grok 3 Mini if you want the stronger benchmark profile. GPT-4o mini only becomes the better choice if coding is the priority.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

GPT-4o mini

GPT-4o mini

48

Grok 3 Mini

41.5

87.2%
HumanEval
Coming soon
8.7%
SWE-bench Verified
Coming soon
Coming soon
LiveCodeBench
41.5%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
SimpleQA
21.7%

Knowledge

Grok 3 Mini

GPT-4o mini

40.2

Grok 3 Mini

74.1

82%
MMLU
Coming soon
40.2%
GPQA
66.2%
Coming soon
MMLU-Pro
78.9%

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

78.4%
IFEval
Coming soon

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

Grok 3 Mini

GPT-4o mini

8.6

Grok 3 Mini

39.7

8.6%
AIME 2024
39.7%

Frequently Asked Questions

Which is better, GPT-4o mini or Grok 3 Mini?

Grok 3 Mini is ahead overall, 23 to 19. The biggest single separator in this matchup is AIME 2024, where the scores are 8.6% and 39.7%.

Which is better for knowledge tasks, GPT-4o mini or Grok 3 Mini?

Grok 3 Mini has the edge for knowledge tasks in this comparison, averaging 74.1 versus 40.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-4o mini or Grok 3 Mini?

GPT-4o mini has the edge for coding in this comparison, averaging 48 versus 41.5. Grok 3 Mini stays close enough that the answer can still flip depending on your workload.

Which is better for math, GPT-4o mini or Grok 3 Mini?

Grok 3 Mini has the edge for math in this comparison, averaging 39.7 versus 8.6. Inside this category, AIME 2024 is the benchmark that creates the most daylight between them.

Last updated: March 17, 2026

Weekly LLM Benchmark Digest

Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.

Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.