GPT-4o mini vs Grok Code

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

Grok Code

xAI

xAI's coding-specialized model. Optimized for code generation, debugging, and software engineering tasks.

Input$1.50/M
Output$7.50/M
Context128K tokens
Best ForCode generation, debugging, software development workflows

Cost Comparison by Scenario

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

ScenarioGPT-4o miniGrok CodeSavings
Small Script (1K lines) $0.02 $0.28 GPT-4o mini saves $0.25 (91%)
Medium Feature (10K lines) $0.18 $2.02 GPT-4o mini saves $1.84 (91%)
Large Project (50K lines) $0.92 $10.13 GPT-4o mini saves $9.21 (91%)
Code Review (5K lines) $0.05 $0.45 GPT-4o mini saves $0.40 (90%)

Verdict

GPT-4o mini wins on both price and performance — $0.150/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