DeepSeek Coder V2 vs GPT-4.1

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

OpenAI

Updated GPT-4 generation with improved instruction following and reduced hallucination. Better coding accuracy than GPT-4o.

Input$2.00/M
Output$8.00/M
Context128K tokens
Best ForProduction coding, API development, complex instructions
Benchmark80/100

Benchmark Performance Comparison

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

BenchmarkDeepSeek Coder V2GPT-4.1Leader
Overall Score 58 80 GPT-4.1 leads by 22pts
SWE-bench Verified 50 76 GPT-4.1 leads by 26pts
LiveCodeBench 60 82 GPT-4.1 leads by 22pts
HumanEval 82 94 GPT-4.1 leads by 12pts
BigCodeBench 42 68 GPT-4.1 leads by 26pts

Cost Comparison by Scenario

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

ScenarioDeepSeek Coder V2GPT-4.1Savings
Small Script (1K lines) $0.04 $0.31 DeepSeek Coder V2 saves $0.27 (86%)
Medium Feature (10K lines) $0.31 $2.30 DeepSeek Coder V2 saves $1.99 (86%)
Large Project (50K lines) $1.57 $11.50 DeepSeek Coder V2 saves $9.93 (86%)
Code Review (5K lines) $0.07 $0.55 DeepSeek Coder V2 saves $0.48 (86%)

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 80 $0.063/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

  • + Latest GPT model
  • + Strong across all benchmarks
  • - Premium pricing

Verdict

DeepSeek Coder V2 is cheaper at $0.270/M, but GPT-4.1 scores higher on benchmarks (80 vs 58).

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

Compare with Other Models