Claude API vs OpenAI API: Real Cost Breakdown for Production Apps
Dev.to AI
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Generative AI
AI Business
Everyone asks "which AI API is cheaper?" The answer depends on your usage pattern. Here's a real cost breakdown based on production workloads. Pricing at a Glance (April 2026) Model Input (per 1M tokens) Output (per 1M tokens) GPT-4o $2.50 $10.00 Claude Sonnet 3.7 $3.00 $15.00 Gemini 1.5 Pro $1.25 $5.00 GPT-4o-mini $0.15 $0.60 Claude Haiku 3.5 $0.80 $4.00 Real-World Scenario: Bot (10k messages/day) import requests # Calculate cost for a typical message resp = requests.