GPT-4o mini vs DeepSeek Coder V2

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

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.

BenchmarkGPT-4o miniDeepSeek Coder V2Leader
Overall Score 58 58 GPT-4o Mini leads by 0pts
SWE-bench Verified 50 50 GPT-4o Mini leads by 0pts
LiveCodeBench 60 60 GPT-4o Mini leads by 0pts
HumanEval 78 82 DeepSeek Coder V2 leads by 4pts
BigCodeBench 44 42 GPT-4o Mini leads by 2pts

Cost Comparison by Scenario

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

ScenarioGPT-4o miniDeepSeek Coder V2Savings
Small Script (1K lines) $0.02 $0.04 GPT-4o mini saves $0.02 (43%)
Medium Feature (10K lines) $0.18 $0.31 GPT-4o mini saves $0.13 (42%)
Large Project (50K lines) $0.92 $1.57 GPT-4o mini saves $0.65 (42%)
Code Review (5K lines) $0.05 $0.07 GPT-4o mini saves $0.03 (37%)

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
GPT-4o mini 58 $0.003/pt Better value
DeepSeek Coder V2 58 $0.005/pt Higher cost per point

GPT-4o mini delivers the best value at $0.003 per score point.

Strengths & Weaknesses

GPT-4o mini

  • + Very cheap
  • + Fast responses
  • - Struggles with multi-step reasoning

DeepSeek Coder V2

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

Verdict

GPT-4o mini wins on both price and performance — $0.150/M input with a benchmark score of 58/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models