GPT-4 vs Grok 3 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 Most expensive OpenAI model, largely superseded by newer options.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 3 Vision

xAI

xAI's multimodal vision model. Combines Grok 3's reasoning with image and diagram understanding.

Input$5.00/M
Output$20.00/M
Context128K tokens
Best ForUI/UX analysis, diagram-to-code, visual debugging

Cost Comparison by Scenario

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

ScenarioGPT-4Grok 3 VisionSavings
Small Script (1K lines) $2.85 $0.78 Grok 3 Vision saves $2.07 (73%)
Medium Feature (10K lines) $22.50 $5.75 Grok 3 Vision saves $16.75 (74%)
Large Project (50K lines) $112.50 $28.75 Grok 3 Vision saves $83.75 (74%)
Code Review (5K lines) $6.75 $1.38 Grok 3 Vision saves $5.38 (80%)

Verdict

Grok 3 Vision wins on both price and performance — $5.00/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