Mistral Large 2 vs OpenAI o3 Pro

Performance benchmarks + pricing comparison — updated April 2026

Mistral Large 2

Mistral

Mistral's flagship model. Strong multilingual and coding capability.

Input$2.00/M
Output$6.00/M
Context128K tokens
Best ForEnterprise coding, multilingual tasks
Benchmark65/100

OpenAI o3 Pro

OpenAI

Top-tier reasoning model combining o3's coding strength with extended compute. The most powerful OpenAI model for reasoning-heavy coding.

Input$20.00/M
Output$80.00/M
Context200K tokens
Best ForComplex algorithm design, system architecture, research coding

Cost Comparison by Scenario

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

ScenarioMistral Large 2OpenAI o3 ProSavings
Small Script (1K lines) $0.25 $3.10 Mistral Large 2 saves $2.85 (92%)
Medium Feature (10K lines) $1.90 $23.00 Mistral Large 2 saves $21.10 (92%)
Large Project (50K lines) $9.50 $115.00 Mistral Large 2 saves $105.50 (92%)
Code Review (5K lines) $0.50 $5.50 Mistral Large 2 saves $5.00 (91%)

Verdict

Mistral Large 2 wins on both price and performance — $2.00/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