Grok 3 Mini vs Mistral Small 3

Performance benchmarks + pricing comparison — updated April 2026

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

Mistral Small 3

Mistral

Mistral's efficient small model. Great performance for its size at very competitive pricing.

Input$0.100/M
Output$0.300/M
Context32K tokens
Best ForChat, summarization, general text tasks

Cost Comparison by Scenario

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

ScenarioGrok 3 MiniMistral Small 3Savings
Small Script (1K lines) $0.03 $0.01 Mistral Small 3 saves $0.01 (51%)
Medium Feature (10K lines) $0.21 $0.10 Mistral Small 3 saves $0.11 (54%)
Large Project (50K lines) $1.02 $0.47 Mistral Small 3 saves $0.55 (54%)
Code Review (5K lines) $0.07 $0.02 Mistral Small 3 saves $0.04 (62%)

Verdict

Mistral Small 3 wins on both price and performance — $0.100/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