Head-to-Head API Cost Benchmark

Claude 3.7 Sonnet vs GPT-4o: API Price & Latency Comparison

On a standard B2B production workload (5,000 req/day), GPT-4o is 14.2% cheaper ($1303.12/mo vs $1518.75/mo), while GPT-4o leads in token generation speed (85 tok/s).

Side-by-Side Specification & Billing Matrix

Metric Claude 3.7 Sonnet (Anthropic) GPT-4o (OpenAI) Advantage
Standard Input / 1M Tokens $3.000 $2.500 GPT-4o
Cached Input / 1M Tokens $0.300 $1.250 Claude 3.7 Sonnet
Output Generation / 1M Tokens $15.00 $10.00 GPT-4o
Intelligence / Benchmark Quality 1318 LMSYS Elo 1286 LMSYS Elo Claude 3.7 Sonnet
Monthly Spend (5k req/day, 50% cache) $1518.75 / mo $1303.12 / mo GPT-4o (-14.2%)
Context Window 200,000 tokens 128,000 tokens Claude 3.7 Sonnet
Output Speed (Throughput) 75 tokens/sec 85 tokens/sec GPT-4o
Batch API Discount -50% (Anthropic) -50% (OpenAI) Anthropic
Primary Workload Fit Autonomous coding agents, complex refactoring, nuanced B2B content generation Complex multi-step customer facing workflows, vision + JSON structured outputs Workload Dependent
Deploy / Console Access Try Claude 3.7 Sonnet → Try GPT-4o → Open Full Simulator