Gemini 1.5 Pro vs DeepSeek Reasoner (R1)

Performance benchmarks + pricing comparison — updated April 2026

Gemini 1.5 Pro

Google

Previous generation Google pro model. Good for general tasks.

Input$1.25/M
Output$5.00/M
Context1M tokens
Best ForGeneral-purpose tasks, document analysis

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

Cost Comparison by Scenario

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

ScenarioGemini 1.5 ProDeepSeek Reasoner (R1)Savings
Small Script (1K lines) $0.19 $0.08 DeepSeek Reasoner (R1) saves $0.11 (56%)
Medium Feature (10K lines) $1.44 $0.63 DeepSeek Reasoner (R1) saves $0.81 (56%)
Large Project (50K lines) $7.19 $3.15 DeepSeek Reasoner (R1) saves $4.04 (56%)
Code Review (5K lines) $0.34 $0.15 DeepSeek Reasoner (R1) saves $0.19 (56%)

Verdict

DeepSeek Reasoner (R1) wins on both price and performance — $0.550/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