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Document Summarization Cost Calculator
Calculate API costs for AI-powered document summarization — PDFs, reports, articles, and long-form content.
Typical Token Breakdown
200
System prompt
Summarization instructions, output format, and length guidance
3,500
Document content
Full text of the document being summarized (~10 pages)
100
User instruction
Specific focus areas or summarization style requested
200
Output format
Summary structure: bullet points, executive summary, key findings
Total: ~4,400 tokens per request (4,000 input + 400 output)
Cost Calculator
Recommended Models
Gemini 2.5 FlashBest for Long Docs
1M context handles book-length documents; cheapest per-token for long inputs
$330.00
/month
Claude Haiku 4.5Best Value
Fast, accurate summaries with excellent instruction following at low cost
$900.00
/month
GPT-4.1 MiniBalanced
1M context + strong summarization quality at $0.40/1M input
$336.00
/month
Cost Optimization Tips
⚡Cache the system prompt — it's identical across all document summarization requests
✂️Pre-process documents to remove headers, footers, and page numbers before sending
🌙Use OpenAI Batch API or Anthropic Batch for non-urgent document pipelines — 50% discount
📊For very long documents, use hierarchical summarization: chunk → summarize chunks → combine