GPT-4 Turbo vs DeepSeek Chat V3

Performance benchmarks + pricing comparison — updated April 2026

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

DeepSeek Chat V3

DeepSeek

Very affordable general-purpose model from DeepSeek. Strong coding and reasoning at low cost.

Input$0.270/M
Output$1.10/M
Context128K tokens
Best ForCost-sensitive projects, coding, general tasks
Benchmark62/100

Benchmark Performance Comparison

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

BenchmarkGPT-4 TurboDeepSeek Chat V3Leader
Overall Score 70 62 GPT-4 Turbo leads by 8pts
SWE-bench Verified 64 56 GPT-4 Turbo leads by 8pts
LiveCodeBench 72 64 GPT-4 Turbo leads by 8pts
HumanEval 88 84 GPT-4 Turbo leads by 4pts
BigCodeBench 56 46 GPT-4 Turbo leads by 10pts

Cost Comparison by Scenario

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

ScenarioGPT-4 TurboDeepSeek Chat V3Savings
Small Script (1K lines) $1.25 $0.04 DeepSeek Chat V3 saves $1.21 (97%)
Medium Feature (10K lines) $9.50 $0.31 DeepSeek Chat V3 saves $9.19 (97%)
Large Project (50K lines) $47.50 $1.57 DeepSeek Chat V3 saves $45.93 (97%)
Code Review (5K lines) $2.50 $0.07 DeepSeek Chat V3 saves $2.43 (97%)

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-4 Turbo 70 $0.133/pt Higher cost per point
DeepSeek Chat V3 62 $0.004/pt Better value

DeepSeek Chat V3 delivers the best value at $0.004 per score point.

Strengths & Weaknesses

GPT-4 Turbo

  • + Proven model
  • + Large context
  • - Superseded by GPT-4o

DeepSeek Chat V3

  • + Excellent value
  • + Strong coding focus
  • - Less general-purpose

Verdict

DeepSeek Chat V3 is cheaper at $0.270/M, but GPT-4 Turbo scores higher on benchmarks (70 vs 62).

Choose DeepSeek Chat V3 for cost-sensitive projects, GPT-4 Turbo when performance matters most.

Compare with Other Models