OpenAI o4-mini vs DeepSeek Coder V2

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o4-mini

OpenAI

Updated mini reasoning model. Similar pricing to o3-mini with updated capabilities.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForGeneral reasoning, coding tasks
Benchmark72/100

DeepSeek Coder V2

DeepSeek

DeepSeek's coding-specialized model. Open-source and very affordable.

Input$0.270/M
Output$1.10/M
Context128K tokens
Best ForCode generation, code review, debugging
Benchmark58/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkOpenAI o4-miniDeepSeek Coder V2Leader
Overall Score 72 58 o4-mini leads by 14pts
SWE-bench Verified 66 50 o4-mini leads by 16pts
LiveCodeBench 74 60 o4-mini leads by 14pts
HumanEval 92 82 o4-mini leads by 10pts
BigCodeBench 56 42 o4-mini leads by 14pts

Cost Comparison by Scenario

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

ScenarioOpenAI o4-miniDeepSeek Coder V2Savings
Small Script (1K lines) $0.17 $0.04 DeepSeek Coder V2 saves $0.13 (75%)
Medium Feature (10K lines) $1.27 $0.31 DeepSeek Coder V2 saves $0.95 (75%)
Large Project (50K lines) $6.33 $1.57 DeepSeek Coder V2 saves $4.75 (75%)
Code Review (5K lines) $0.30 $0.07 DeepSeek Coder V2 saves $0.23 (75%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
OpenAI o4-mini 72 $0.015/pt Higher cost per point
DeepSeek Coder V2 58 $0.005/pt Better value

DeepSeek Coder V2 delivers the best value at $0.005 per score point.

Strengths & Weaknesses

OpenAI o4-mini

  • + Improved reasoning at mini price
  • - New model, limited data

DeepSeek Coder V2

  • + Code-specialized
  • + Very cheap
  • - Limited general-purpose

Verdict

DeepSeek Coder V2 is cheaper at $0.270/M, but OpenAI o4-mini scores higher on benchmarks (72 vs 58).

Choose DeepSeek Coder V2 for cost-sensitive projects, OpenAI o4-mini when performance matters most.

Compare with Other Models