Grok 4 vs GPT-4.1

Performance benchmarks + pricing comparison — updated April 2026

Grok 4

xAI

Next-generation xAI model with enhanced reasoning and coding capability. Competes with Claude Opus and o3 Pro tier.

Input$5.00/M
Output$25.00/M
Context256K tokens
Best ForComplex reasoning, advanced coding, enterprise applications

GPT-4.1

OpenAI

Updated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.

Input$2.00/M
Output$8.00/M
Context128K tokens
Best ForProduction coding, API development, complex instructions
Benchmark80/100

Cost Comparison by Scenario

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

ScenarioGrok 4GPT-4.1Savings
Small Script (1K lines) $0.93 $0.31 GPT-4.1 saves $0.61 (66%)
Medium Feature (10K lines) $6.75 $2.30 GPT-4.1 saves $4.45 (66%)
Large Project (50K lines) $33.75 $11.50 GPT-4.1 saves $22.25 (66%)
Code Review (5K lines) $1.50 $0.55 GPT-4.1 saves $0.95 (63%)

Verdict

GPT-4.1 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