Head-to-Head API Cost Benchmark

DeepSeek-R1 (Reasoner) vs Gemini 2.5 Pro: API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), DeepSeek-R1 (Reasoner) is 70.8% cheaper ($260.77/mo vs $892.50/mo), while Gemini 2.5 Pro leads in token generation speed (85 tok/s).

Side-by-Side Specification & Billing Matrix

Metric DeepSeek-R1 (Reasoner) (DeepSeek API) Gemini 2.5 Pro (Google Gemini API) Advantage
Standard Input / 1M Tokens $0.550 $1.250 DeepSeek-R1 (Reasoner)
Cached Input / 1M Tokens $0.140 $0.310 DeepSeek-R1 (Reasoner)
Output Generation / 1M Tokens $2.19 $10.00 DeepSeek-R1 (Reasoner)
Intelligence / Benchmark Quality 1315 LMSYS Elo 1322 LMSYS Elo Gemini 2.5 Pro
Monthly Spend (5k req/day, 50% cache) $260.77 / mo $892.50 / mo DeepSeek-R1 (Reasoner) (-70.8%)
Context Window 64,000 tokens 2,000,000 tokens Gemini 2.5 Pro
Output Speed (Throughput) 50 tokens/sec 85 tokens/sec Gemini 2.5 Pro
Batch API Discount -50% (DeepSeek API) -50% (Google Gemini API) DeepSeek API
Primary Workload Fit Budget-friendly chain-of-thought logic, financial verification, logic synthesis Massive repository analysis (2M context), video/audio understanding, deep reasoning Workload Dependent
Deploy / Console Access Try DeepSeek-R1 (Reasoner) → Try Gemini 2.5 Pro → Open Full Simulator