Prices as of Oct 29, 2026

Which AI model for long documents and reports?

Contracts, reports and manuals of 100 pages or more, read in one request to summarize, compare or answer questions.

What matters for this task

  • A context window that holds the whole document
  • Long-context surcharges: some models raise the price above a size threshold
  • Careful reading: answers grounded in the text, not invented

Typical workload

200 requests/day · 150K in · 2K out

Adjust in the cost calculator

Shortlist

8 models meet the requirements, ranked by monthly cost for this workload.

ModelClassContextImagesInput $/1MOutput $/1MMonthly
Llama 4 Maverick Lowest cost Mid 524K ? $0.19 $0.65 $175
Qwen3.8-27B Mid 262K ✓ $0.40 $3.00 $387
Gemini 3.8 Flash Promo Workhorse 1M ✓ $0.75 $3.75 $709
GPT-6.1 Terra Mid 1.05M ? $1.00 $5.00 $945
Claude Sonnet 5.5 Balanced 1M ✓ $2.00 $10.00 $1,890
GPT-6.1 Sol Balanced 1.05M ? $2.00 $10.00 $1,890
Gemini 4 Argon Promo Flagship 1M ✓ $2.00 $10.00 $1,890
Claude Opus 5.5 Flagship 1M ✓ $4.00 $20.00 $3,780

Quality tests

Our side-by-side tests for this task are in progress. Until they are published, run 10 to 20 of your own real examples on two or three candidates before you choose.

Independent leaderboards: LMArena · Artificial Analysis

How this list is built: models in the classes suited to the task that meet its hard requirements (image input, context size, open weights), ranked by price. A lower price does not mean better quality.