SummitGovOnline

GPT-5 Mini vs Grok 4

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

O

GPT-5 Mini

OpenAI

Overall 86
fast
View model →
X

Grok 4

xAI

Overall 89
fast
View model →

Capability radar

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

CodingReasoningWritingVisionContextValue
GPT-5 MiniGrok 4
Comparison of GPT-5 Mini vs Grok 4
MetricGPT-5 MiniGrok 4
Input Price / 1M$0.40$3.00
Output Price / 1M$1.60$15.00
Combined Price / 1M$2.00$18.00
Context Window400,000256,000
Coding Score8990
Reasoning Score8891
Vision Score8085
AudioNoNo
StreamingYesYes
Function CallingYesYes
Latency Tierfastfast
Release Date6/10/20264/9/2026

GPT-5 Mini — Strengths & Weaknesses

Strengths

  • Low cost
  • Fast
  • Strong coding for size

Weaknesses

  • Below full GPT-5 on hardest reasoning

Grok 4 — Strengths & Weaknesses

Strengths

  • Real-time knowledge angle
  • Fast
  • Tool use

Weaknesses

  • Smaller ecosystem than OpenAI/Anthropic

Use Case Verdicts

Coding

Grok 4

Grok 4 scores 90 vs 89 on coding benchmarks.

General Chat

Grok 4

Grok 4 leads on writing quality (88 vs 87).

Long Context

GPT-5 Mini

GPT-5 Mini offers 400K tokens vs 256K.

Cost Efficiency

GPT-5 Mini

GPT-5 Mini is cheaper at $2.00/M combined vs $18.00/M.

Enterprise Use

Grok 4

Grok 4 combines strong reasoning, tooling, and context for enterprise workloads.

Agent Workflows

Grok 4

Grok 4 is better suited for agentic workflows with tool use and coding capability.