Benchmark

Claude Code is 4.2x faster & 3.2x cheaper with CustomGPT.ai plugin. See the report →

CustomGPT.ai Blog

Introducing CustomGPT.ai Document Analyst – Add Full Business Intelligence to Any Document

TL;DR

Document Analyst is a new Agentic Action that lets users upload files directly in chat and analyze them against your organization’s entire knowledge base.

  • Upload any text or image file — contracts, transcripts, resumes, schematics — directly in chat
  • Your agent cross-references the uploaded file against everything in your knowledge base
  • Every answer is cited and grounded in your data, not generic AI output
  • Supports images too — photos, blueprints, and schematics understood in context
  • Available on Premium and Enterprise; works on all deployment types including API

Enable it from your agent’s Actions page with a single toggle.

You can now upload files in chat, and have your Agent analyze them against its entire knowledge base.

Simply toggle on the new Agentic Action, Document Analyst

CustomGPT.ai Document Analyst cross-references three uploaded blueprint PNGs with building code, showing 2 completed checks.

Upload any text or image file(s) – transcript, contract, resume, photo, schematic – and analyze it against everything your organization knows.

Or upload several at once and compare them side-by-side.

Enable Document Analyst Now

Tools like ChatGPT and Claude can summarize your document, but they don’t have your full company knowledge and policies at their disposal.

They give generic answers.

Your agent, powered by Document Analyst, gives answers based on your knowledge — without hallucinating.

Businesses like yours already have this in action

Many of our early-access customers gave Document Analyst a try during the beta, and these are use cases where they found the most success:

  • Financial analysis – Investors are uploading earnings call transcripts and pulling out KPIs, cash flow trends, and value creation signals – all filtered through their own valuation frameworks.
  • Compliance pre-check – Compliance teams drop in marketing materials and get instant flags against their regulatory guidelines. Human review still happens, just faster.
  • Contract review – Legal uploads vendor agreements, checks them against their standard templates, and spots what’s missing or off before anyone signs.
  • Candidate screening – HR compares batches of resumes against job requirements using their own hiring criteria. Hours of screening, gone.
  • Framework application – Consultants and students upload real-world case studies and apply proprietary methodologies to them on the spot.
  • Technical support – Engineers drop in spec sheets or incident reports and cross-reference against SOPs and troubleshooting guides without digging through folders.
  • Content transformation – Marketing takes dense technical reports and turns them into on-brand blogs and emails using their voice guidelines.

You can find more ideas and real-world examples in the Document Analyst Best Practices User Guide.

And it’s not just text

Document Analyst sees images too – and understands them in the context of your knowledge base. Here’s an example of what you can do:

  • Upload a property photo and find similar listings across your database.
  • Share a technical schematic and analyze it against your engineering documentation.
  • Snap a product image and verify it matches catalog specifications.

Hours of work. Minutes to complete.

You know that compliance review that usually takes half a day? Or the context you’d need to grab from three different colleagues before you could even start? That’s all baked in now.

Your team spent years building institutional knowledge. Now it’s available for every single file someone uploads.

Finally, every answer comes with citations — so you’re never blindly trusting the AI. You can verify every statement.

How to enable

Simply go to your agent’s Actions page and switch the toggle. Your users will see an attachment icon in chat. They will be able to upload their documents, ask, and get answers grounded in your business data. Available on Premium and Enterprise and works on all deployment types – including API.

Connect with us

If you want to see how other businesses are using Document Analyst to transform their workflows, or share your own use cases, join the CustomGPT.ai Slack Community today.

Frequently Asked Questions

How is Document Analyst different from ChatGPT or Claude for business document review?
Stephanie Warlick described the core benefit this way: “Check out CustomGPT.ai where you can dump all your knowledge to automate proposals, customer inquiries and the knowledge base that exists in your head so your team can execute without you.” In practice, the difference from ChatGPT or Claude is that Document Analyst reviews an uploaded file against your organization’s knowledge base, policies, and prior materials, then returns cited answers you can verify instead of a generic summary of the file alone.
Can you use Document Analyst in automated document workflows through an API?
Yes. You can integrate document analysis into automated workflows through an OpenAI-compatible REST API at /v1/chat/completions with API-key authentication. That lets teams trigger review from their own apps or processes, request structured outputs such as clause gaps or policy flags, and route exceptions to a human reviewer when needed.
Are Document Analyst file uploads separate from your agent’s main knowledge base?
Uploaded files are analyzed in chat against the agent’s existing knowledge base. For persistent reuse across future conversations, use the platform’s normal knowledge-ingestion methods for documents, websites, or other sources rather than relying on a one-off chat upload as your primary long-term knowledge workflow.
How can you reduce generic or unsupported outputs when reviewing sensitive documents?
Barry Barresi framed the value of grounded review this way: “Powered by my custom-built Theory of Change AIM GPT agent on the CustomGPT.ai platform. Rapidly Develop a Credible Theory of Change with AI-Augmented Collaboration.” To reduce generic or unsupported output, ground the review in the exact policies, templates, or methodologies you want applied, ask for missing clauses or conflicts instead of a free-form opinion, and require citations plus human sign-off for legal, regulatory, or financial decisions.
What is the best way to compare multiple files side by side in Document Analyst?
Overture Partners made 400+ documents accessible to 200+ employees and cut training time from 13 weeks to 2 weeks. For side-by-side review, upload all relevant files in one chat, state exactly what should be compared—such as clause changes, missing requirements, KPI deltas, or spec mismatches—and ask for a comparison table with citations so each difference can be checked quickly.
Will uploaded documents stay private, and are they used to train the model?
The platform states that data is not used for model training and that it is GDPR compliant and SOC 2 Type 2 certified. For sensitive files such as contracts, resumes, or incident reports, a safer workflow is to limit agent access to the right users, keep human review for high-stakes decisions, and use citations to verify each answer before action is taken.
Where is Document Analyst, and will users see the upload button in the web widget?
Document Analyst is enabled from the agent’s Actions settings. Once the toggle is on, users see an attachment icon in chat, and embedded chat deployments can expose that same upload flow. If the upload option is not visible, first verify that the action is enabled on the correct agent and that you are testing the deployment tied to that agent.

Related Resources

These pages offer useful context for exploring document analysis and knowledge retrieval with CustomGPT.ai.

Want to Analyze Any Document Against Your Company Knowledge?

Upload any file in chat and get cited answers from your organization’s entire knowledge base — with citations on every response.

Trusted by thousands of  organizations worldwide

3x productivity.
Cut costs in half.

Launch a custom AI agent in minutes.

Instantly access all your data.
Automate customer service.
Streamline employee training.
Accelerate research.
Gain customer insights.

Try 100% free. Cancel anytime.