Head-to-Head API Cost Benchmark

DeepSeek-V3 (Chat) vs Gemini 2.5 Pro: API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), DeepSeek-V3 (Chat) is 85.5% cheaper ($129.75/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-V3 (Chat) (DeepSeek API) Gemini 2.5 Pro (Google Gemini API) Advantage
Standard Input / 1M Tokens $0.270 $1.250 DeepSeek-V3 (Chat)
Cached Input / 1M Tokens $0.070 $0.310 DeepSeek-V3 (Chat)
Output Generation / 1M Tokens $1.10 $10.00 DeepSeek-V3 (Chat)
Intelligence / Benchmark Quality 1282 LMSYS Elo 1322 LMSYS Elo Gemini 2.5 Pro
Monthly Spend (5k req/day, 50% cache) $129.75 / mo $892.50 / mo DeepSeek-V3 (Chat) (-85.5%)
Context Window 64,000 tokens 2,000,000 tokens Gemini 2.5 Pro
Output Speed (Throughput) 60 tokens/sec 85 tokens/sec Gemini 2.5 Pro
Batch API Discount -50% (DeepSeek API) -50% (Google Gemini API) DeepSeek API
Primary Workload Fit High-intelligence general tasks & translation where prompt caching saves 75%+ Massive repository analysis (2M context), video/audio understanding, deep reasoning Workload Dependent
Deploy / Console Access Try DeepSeek-V3 (Chat) → Try Gemini 2.5 Pro → Open Full Simulator