OpenAI o1 vs Mistral Small 3

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o1

OpenAI

Reasoning model optimized for complex problem-solving. Excels at math, science, and advanced coding.

Input$15.00/M
Output$60.00/M
Context200K tokens
Best ForComplex math, advanced coding, scientific reasoning
Benchmark83/100

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 o1Mistral Small 3Savings
Small Script (1K lines) $2.32 $0.01 Mistral Small 3 saves $2.31 (99%)
Medium Feature (10K lines) $17.25 $0.10 Mistral Small 3 saves $17.16 (99%)
Large Project (50K lines) $86.25 $0.47 Mistral Small 3 saves $85.78 (99%)
Code Review (5K lines) $4.13 $0.02 Mistral Small 3 saves $4.10 (99%)

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