GPT-4 Turbo vs DeepSeek 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 V3

DeepSeek

DeepSeek's latest general model. Competitive with Claude Sonnet at a fraction of the cost.

Input$0.140/M
Output$0.280/M
Context128K tokens
Best ForCost-effective coding and general tasks

Cost Comparison by Scenario

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

ScenarioGPT-4 TurboDeepSeek V3Savings
Small Script (1K lines) $1.25 $0.01 DeepSeek V3 saves $1.24 (99%)
Medium Feature (10K lines) $9.50 $0.11 DeepSeek V3 saves $9.39 (99%)
Large Project (50K lines) $47.50 $0.53 DeepSeek V3 saves $46.98 (99%)
Code Review (5K lines) $2.50 $0.03 DeepSeek V3 saves $2.47 (99%)

Verdict

DeepSeek V3 wins on both price and performance — $0.140/M input with a benchmark score of N/A/100.

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

Compare with Other Models