OpenAI o1-mini vs DeepSeek R1

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o1-mini

OpenAI

Cost-effective reasoning model. Good for coding tasks that require logical reasoning.

Input$1.10/M
Output$4.40/M
Context128K tokens
Best ForCoding logic, debugging, algorithm design
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.

ScenarioOpenAI o1-miniDeepSeek R1Savings
Small Script (1K lines) $0.17 $0.02 DeepSeek R1 saves $0.15 (87%)
Medium Feature (10K lines) $1.27 $0.16 DeepSeek R1 saves $1.11 (87%)
Large Project (50K lines) $6.33 $0.80 DeepSeek R1 saves $5.53 (87%)
Code Review (5K lines) $0.30 $0.04 DeepSeek R1 saves $0.26 (87%)

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