SummitGovOnline

Grok 3 vs Grok 4

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

X

Grok 3

xAI

Overall 88
standard
View model →
X

Grok 4

xAI

Overall 89
fast
View model →

Capability radar

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

CodingReasoningWritingVisionContextValue
Grok 3Grok 4
Comparison of Grok 3 vs Grok 4
MetricGrok 3Grok 4
Input Price / 1M$3.00$3.00
Output Price / 1M$15.00$15.00
Combined Price / 1M$18.00$18.00
Context Window131,072256,000
Coding Score9190
Reasoning Score9291
Vision Score8285
AudioNoNo
StreamingYesYes
Function CallingYesYes
Latency Tierstandardfast
Release Date2/17/20254/9/2026

Grok 3 — Strengths & Weaknesses

Strengths

  • Strong reasoning
  • Think mode
  • Competitive coding

Weaknesses

  • Limited context vs Google/OpenAI

Grok 4 — Strengths & Weaknesses

Strengths

  • Real-time knowledge angle
  • Fast
  • Tool use

Weaknesses

  • Smaller ecosystem than OpenAI/Anthropic

Use Case Verdicts

Coding

Grok 3

Grok 3 scores 91 vs 90 on coding benchmarks.

General Chat

Grok 3

Grok 3 leads on writing quality (88 vs 88).

Long Context

Grok 4

Grok 4 offers 256K tokens vs 131.1K.

Cost Efficiency

Grok 3

Grok 3 is cheaper at $18.00/M combined vs $18.00/M.

Enterprise Use

Grok 4

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

Agent Workflows

Grok 3

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