GPT-4 vs Grok 2 Vision

Performance benchmarks + pricing comparison — updated April 2026

GPT-4

OpenAI

Original GPT-4. Most expensive OpenAI model, largely superseded by newer options.

Input$30.00/M
Output$60.00/M
Context8K tokens
Best ForLegacy applications requiring GPT-4 specifically
Benchmark68/100

Grok 2 Vision

xAI

Grok 2 with image input support. Vision capabilities combined with real-time X knowledge.

Input$2.00/M
Output$10.00/M
Context128K tokens
Best ForImage analysis with social context, visual understanding

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-4Grok 2 VisionSavings
Small Script (1K lines) $2.85 $0.37 Grok 2 Vision saves $2.48 (87%)
Medium Feature (10K lines) $22.50 $2.70 Grok 2 Vision saves $19.80 (88%)
Large Project (50K lines) $112.50 $13.50 Grok 2 Vision saves $99.00 (88%)
Code Review (5K lines) $6.75 $0.60 Grok 2 Vision saves $6.15 (91%)

Verdict

Grok 2 Vision wins on both price and performance — $2.00/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models