DeepSeek Coder V2 vs GPT-4.1 mini

Performance benchmarks + pricing comparison — updated April 2026

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

GPT-4.1 mini

OpenAI

Cost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.

Input$0.400/M
Output$1.60/M
Context128K tokens
Best ForHigh-volume coding, cost-sensitive projects, automation
Benchmark68/100

Benchmark Performance Comparison

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

BenchmarkDeepSeek Coder V2GPT-4.1 miniLeader
Overall Score 58 68 GPT-4.1 Mini leads by 10pts
SWE-bench Verified 50 62 GPT-4.1 Mini leads by 12pts
LiveCodeBench 60 70 GPT-4.1 Mini leads by 10pts
HumanEval 82 86 GPT-4.1 Mini leads by 4pts
BigCodeBench 42 54 GPT-4.1 Mini leads by 12pts

Cost Comparison by Scenario

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

ScenarioDeepSeek Coder V2GPT-4.1 miniSavings
Small Script (1K lines) $0.04 $0.06 DeepSeek Coder V2 saves $0.02 (32%)
Medium Feature (10K lines) $0.31 $0.46 DeepSeek Coder V2 saves $0.15 (32%)
Large Project (50K lines) $1.57 $2.30 DeepSeek Coder V2 saves $0.73 (32%)
Code Review (5K lines) $0.07 $0.11 DeepSeek Coder V2 saves $0.04 (32%)

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
DeepSeek Coder V2 58 $0.005/pt Better value
GPT-4.1 mini 68 $0.022/pt Higher cost per point

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

Strengths & Weaknesses

DeepSeek Coder V2

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

GPT-4.1 mini

  • + Good value
  • + Latest architecture
  • - Mini variant limitations

Verdict

DeepSeek Coder V2 is cheaper at $0.270/M, but GPT-4.1 mini scores higher on benchmarks (68 vs 58).

Choose DeepSeek Coder V2 for cost-sensitive projects, GPT-4.1 mini when performance matters most.

Compare with Other Models