DeepSeek Reasoner (R1) vs DeepSeek V3

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Reasoner (R1)

DeepSeek

DeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.

Input$0.550/M
Output$2.19/M
Context128K tokens
Best ForComplex reasoning, math, advanced coding
Benchmark72/100

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.

ScenarioDeepSeek Reasoner (R1)DeepSeek V3Savings
Small Script (1K lines) $0.08 $0.01 DeepSeek V3 saves $0.07 (84%)
Medium Feature (10K lines) $0.63 $0.11 DeepSeek V3 saves $0.53 (83%)
Large Project (50K lines) $3.15 $0.53 DeepSeek V3 saves $2.63 (83%)
Code Review (5K lines) $0.15 $0.03 DeepSeek V3 saves $0.12 (79%)

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