OpenAI o1 Pro vs Grok 3 Mini

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o1 Pro

OpenAI

Premium reasoning model with extended compute. Best-in-class for complex math, science, and advanced coding challenges.

Input$20.00/M
Output$80.00/M
Context200K tokens
Best ForResearch-grade problem solving, competition math, complex system design

Grok 3 Mini

xAI

Cost-effective xAI model for high-volume tasks. Good balance of capability and affordability.

Input$0.300/M
Output$0.500/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark50/100

Cost Comparison by Scenario

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

ScenarioOpenAI o1 ProGrok 3 MiniSavings
Small Script (1K lines) $3.10 $0.03 Grok 3 Mini saves $3.07 (99%)
Medium Feature (10K lines) $23.00 $0.21 Grok 3 Mini saves $22.80 (99%)
Large Project (50K lines) $115.00 $1.02 Grok 3 Mini saves $113.97 (99%)
Code Review (5K lines) $5.50 $0.07 Grok 3 Mini saves $5.43 (99%)

Verdict

Grok 3 Mini wins on both price and performance — $0.300/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