Google Gemini 1.5 Flash vs GPT-4o: Speed & Cost Benchmark for Support Bots

Latency and Cost Benchmark Analysis

When building automated customer service bots for high-volume channels like WhatsApp, response speed and API token cost directly govern unit economics.

Key Benchmark Metrics

• Gemini 1.5 Flash: Time to First Token (TTFT): ~280ms. Cost: $0.075 / 1M input tokens. Context Window: 1,000,000 tokens.
• GPT-4o Mini: TTFT: ~310ms. Cost: $0.15 / 1M input tokens. Context Window: 128,000 tokens.

Build enterprise AI agents with Apex Digital Solution AI Chatbot Development.