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Read a long PDF

Work through a lengthy document and answer questions about it.

Used an AI for “Read a long PDF”? Add your take.

Vote head-to-head

Community ranking

from reasoning, writing, speed

Nobody has rated an AI for “Read a long PDF” yet, so this order comes from how people rate the abilities the task asks for (reasoning, writing, speed) — not from the task itself. Rate one you have used for “Read a long PDF” and the order starts to reflect it.

  1. ★
    ChatGPT
    OpenAI
    Mostly overall rating
    6.8
    —
  2. 2
    Gemini
    Google
    Mostly overall rating
    6.5
    —
  3. 3
    Claude
    Anthropic
    From ability ratings
    6.3
    —
  4. 4
    Copilot
    Microsoft
    Mostly overall rating
    5.2
    —
  5. 5
    Meta AI
    Meta
    Mostly overall rating
    5.0
    —
  6. 5
    DeepSeek
    DeepSeek
    Mostly overall rating
    5.0
    —
  7. 5
    Grok
    xAI
    Mostly overall rating
    5.0
    —
  8. 5
    Perplexity
    Perplexity AI
    Mostly overall rating
    5.0
    —
  9. 5
    Mistral
    Mistral AI
    Mostly overall rating
    5.0
    —

Start with this prompt

Written for this task. Fill in the bracketed parts.

Read the document below and help me work through it.

What I need from it: [the question you need answered]

First give me a map: what's in it, how it's organised, and where the parts I
care about live. Then answer my question, quoting the exact passages you relied
on. If the document doesn't answer it, say so instead of inferring.

---
[paste or attach the document]

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