AI API cost by workload

What common AI workloads cost per month on every model we track, at current list prices (verified November 7, 2026). Each estimate shows the full price table — cheapest model first — plus how the math works.

• Workload Estimate

  Support chatbot API cost →

  100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each.

  From $35.00/mo (GPT-6 Luna)Up to $3,500/mo
• Workload Estimate

  Document Q&A (RAG) API cost →

  50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each.

  From $55.00/mo (GPT-6 Luna)Up to $5,500/mo
• Workload Estimate

  Coding agent API cost →

  10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens.

  From $24.80/mo (GPT-6 Luna)Up to $2,480/mo
• Workload Estimate

  Cached chatbot API cost →

  The same 100,000-reply support chatbot, but 60% of each prompt (system prompt + conversation history) is served from the prompt cache.

  From $26.90/mo (GPT-6 Luna)Up to $2,690/mo
• Workload Estimate

  Meeting notes API cost →

  10,000 meetings a month summarized from ~12,000-token transcripts, ~1,000 output tokens each.

  From $17.00/mo (GPT-6 Luna)Up to $1,700/mo
• Workload Estimate

  Bulk translation API cost →

  200,000 short translations a month, ~800 input and ~800 output tokens each.

  From $96.00/mo (GPT-6 Luna)Up to $9,600/mo
• Workload Estimate

  Content moderation API cost →

  1,000,000 classifications a month, ~400 input tokens and ~80 output tokens each.

  From $80.00/mo (GPT-6 Luna)Up to $8,000/mo
• Workload Estimate

  Article drafting API cost →

  300 long-form articles a month written from a ~4,000-token brief and outline, ~5,000 output tokens each.

  From $0.87/mo (GPT-6 Luna)Up to $87.00/mo
• Workload Estimate

  Code review bot API cost →

  30,000 pull-request reviews a month, ~5,000 input tokens each (30% cached repository context) and ~700 output tokens.

  From $21.45/mo (GPT-6 Luna)Up to $2,145/mo
• Workload Estimate

  Invoice extraction API cost →

  100,000 documents a month parsed into structured JSON, ~1,200 input and ~250 output tokens each.

  From $24.50/mo (GPT-6 Luna)Up to $2,450/mo

Don’t see your workload? Describe it once in the cost calculator and see the bill on every model. The same data is available as an open download at https://polarison.com/data/models.json.