DeepSeek Coder V3 vs O3 Mini

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Coder V3

DeepSeek

Latest generation DeepSeek coding model. Improved code understanding and generation over V2.

Input$0.270/M
Output$1.10/M
Context128K tokens
Best ForCode generation, refactoring, multi-language development

O3 Mini

OpenAI

OpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForMath, science, coding tasks requiring deep reasoning
Benchmark80/100

Cost Comparison by Scenario

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

ScenarioDeepSeek Coder V3O3 MiniSavings
Small Script (1K lines) $0.04 $0.17 DeepSeek Coder V3 saves $0.13 (75%)
Medium Feature (10K lines) $0.31 $1.27 DeepSeek Coder V3 saves $0.95 (75%)
Large Project (50K lines) $1.57 $6.33 DeepSeek Coder V3 saves $4.75 (75%)
Code Review (5K lines) $0.07 $0.30 DeepSeek Coder V3 saves $0.23 (75%)

Verdict

DeepSeek Coder V3 wins on both price and performance — $0.270/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