GPT-4 Turbo vs DeepSeek R1

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 R1

DeepSeek

DeepSeek's reasoning model. Open-weight model that rivals o1 for complex reasoning tasks.

Input$0.140/M
Output$0.550/M
Context128K tokens
Best ForMath, coding, science reasoning at low cost

Cost Comparison by Scenario

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

ScenarioGPT-4 TurboDeepSeek R1Savings
Small Script (1K lines) $1.25 $0.02 DeepSeek R1 saves $1.23 (98%)
Medium Feature (10K lines) $9.50 $0.16 DeepSeek R1 saves $9.34 (98%)
Large Project (50K lines) $47.50 $0.80 DeepSeek R1 saves $46.70 (98%)
Code Review (5K lines) $2.50 $0.04 DeepSeek R1 saves $2.46 (98%)

Verdict

DeepSeek R1 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