OpenAI o3-mini vs DeepSeek V3.2

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o3-mini

OpenAI

Affordable reasoning model for coding tasks. Best price-performance for algorithm-heavy work.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForAlgorithm design, coding challenges, debugging
Benchmark80/100

DeepSeek V3.2

DeepSeek

Updated V3 model with improved general reasoning and multilingual capability. Strong value proposition.

Input$0.300/M
Output$1.20/M
Context128K tokens
Best ForGeneral tasks, bilingual coding, cost-effective workflows

Cost Comparison by Scenario

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

ScenarioOpenAI o3-miniDeepSeek V3.2Savings
Small Script (1K lines) $0.17 $0.05 DeepSeek V3.2 saves $0.12 (73%)
Medium Feature (10K lines) $1.27 $0.34 DeepSeek V3.2 saves $0.92 (73%)
Large Project (50K lines) $6.33 $1.73 DeepSeek V3.2 saves $4.60 (73%)
Code Review (5K lines) $0.30 $0.08 DeepSeek V3.2 saves $0.22 (73%)

Verdict

DeepSeek V3.2 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