GPT-4o Mini vs Grok 3 Mini

Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.

O

GPT-4o Mini

OpenAI

Overall 78

fast

X

Grok 3 Mini

xAI

Overall 77

fast

Capability radar

Normalized coding, reasoning, writing, vision, context, and value

GPT-4o MiniGrok 3 Mini

Comparison of GPT-4o Mini vs Grok 3 Mini
Metric	GPT-4o Mini	Grok 3 Mini
Input Price / 1M	$0.15	$0.30
Output Price / 1M	$0.60	$0.50
Combined Price / 1M	$0.75	$0.80
Context Window	128,000	131,072
Coding Score	82	79
Reasoning Score	78	80
Vision Score	70	70
Audio	No	No
Streaming	Yes	Yes
Function Calling	Yes	Yes
Latency Tier	fast	fast
Release Date	7/18/2024	2/17/2025

GPT-4o Mini — Strengths & Weaknesses

Strengths

Very low cost
Fast latency
Function calling

Weaknesses

Less capable on complex reasoning

Grok 3 Mini — Strengths & Weaknesses

Strengths

Very affordable
Fast responses

Weaknesses

Less capable than full Grok 3

Use Case Verdicts

Coding

GPT-4o Mini scores 82 vs 79 on coding benchmarks.

General Chat

GPT-4o Mini leads on writing quality (80 vs 78).

Long Context

Grok 3 Mini offers 131.1K tokens vs 128K.

Cost Efficiency

GPT-4o Mini is cheaper at $0.75/M combined vs $0.80/M.

Enterprise Use

Grok 3 Mini combines strong reasoning, tooling, and context for enterprise workloads.

Agent Workflows

Grok 3 Mini is better suited for agentic workflows with tool use and coding capability.