Head-to-Head API Cost Benchmark

Claude 3.7 Sonnet vs Gemini 2.5 Flash: API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), Gemini 2.5 Flash is 95.3% cheaper ($71.16/mo vs $1518.75/mo), while Gemini 2.5 Flash leads in token generation speed (180 tok/s).

Side-by-Side Specification & Billing Matrix

Metric Claude 3.7 Sonnet (Anthropic) Gemini 2.5 Flash (Google Gemini API) Advantage
Standard Input / 1M Tokens $3.000 $0.150 Gemini 2.5 Flash
Cached Input / 1M Tokens $0.300 $0.037 Gemini 2.5 Flash
Output Generation / 1M Tokens $15.00 $0.60 Gemini 2.5 Flash
Intelligence / Benchmark Quality 1318 LMSYS Elo 1264 LMSYS Elo Claude 3.7 Sonnet
Monthly Spend (5k req/day, 50% cache) $1518.75 / mo $71.16 / mo Gemini 2.5 Flash (-95.3%)
Context Window 200,000 tokens 1,000,000 tokens Gemini 2.5 Flash
Output Speed (Throughput) 75 tokens/sec 180 tokens/sec Gemini 2.5 Flash
Batch API Discount -50% (Anthropic) -50% (Google Gemini API) Anthropic
Primary Workload Fit Autonomous coding agents, complex refactoring, nuanced B2B content generation Large-scale data extraction, PDF/document parsing, high-throughput pipelines Workload Dependent
Deploy / Console Access Try Claude 3.7 Sonnet → Try Gemini 2.5 Flash → Open Full Simulator