OpenAI o1-mini vs Mistral Small 3

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o1-mini

OpenAI

Cost-effective reasoning model. Good for coding tasks that require logical reasoning.

Input$1.10/M
Output$4.40/M
Context128K tokens
Best ForCoding logic, debugging, algorithm design
Benchmark70/100

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.

ScenarioOpenAI o1-miniMistral Small 3Savings
Small Script (1K lines) $0.17 $0.01 Mistral Small 3 saves $0.16 (93%)
Medium Feature (10K lines) $1.27 $0.10 Mistral Small 3 saves $1.17 (92%)
Large Project (50K lines) $6.33 $0.47 Mistral Small 3 saves $5.85 (92%)
Code Review (5K lines) $0.30 $0.02 Mistral Small 3 saves $0.28 (92%)

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