GPT-4.1 vs Grok 2

Performance benchmarks + pricing comparison — updated April 2026

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

Grok 2

xAI

xAI's previous generation model. Strong performance with real-time X/Twitter knowledge access.

Input$2.00/M
Output$10.00/M
Context128K tokens
Best ForSocial media analysis, creative writing, current events

Cost Comparison by Scenario

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

ScenarioGPT-4.1Grok 2Savings
Small Script (1K lines) $0.31 $0.37 GPT-4.1 saves $0.06 (16%)
Medium Feature (10K lines) $2.30 $2.70 GPT-4.1 saves $0.40 (15%)
Large Project (50K lines) $11.50 $13.50 GPT-4.1 saves $2.00 (15%)
Code Review (5K lines) $0.55 $0.60 GPT-4.1 saves $0.05 (8%)

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