Grok Code vs O3 Mini

Performance benchmarks + pricing comparison — updated April 2026

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

O3 Mini

OpenAI

OpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForMath, science, coding tasks requiring deep reasoning
Benchmark80/100

Cost Comparison by Scenario

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

ScenarioGrok CodeO3 MiniSavings
Small Script (1K lines) $0.28 $0.17 O3 Mini saves $0.11 (39%)
Medium Feature (10K lines) $2.02 $1.27 O3 Mini saves $0.76 (38%)
Large Project (50K lines) $10.13 $6.33 O3 Mini saves $3.80 (38%)
Code Review (5K lines) $0.45 $0.30 O3 Mini saves $0.15 (33%)

Verdict

O3 Mini wins on both price and performance — $1.10/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