Answering a request for proposal, a public tender or a grant call means reading a long call document, answering a few dozen to several hundred questions, keeping to page limits and format rules, and proving every claim. Most of the content has been written before, but it is spread across old bids, wikis and SharePoint folders. AI response tools pull the right approved answers, draft the rest with citations, check that every requirement is covered and send the gaps to subject-matter experts. Teams can then submit more bids, and better ones, with the same staff. Humans still decide whether to bid, set the price, own the claims and sign.
Problem & value
- Who: bid and proposal teams in IT, consulting, facility services, construction and engineering; pre-sales teams answering RFIs and security or due-diligence questionnaires; SMBs answering public tenders (in Germany under VgV/UVgO, published on TED, DTVP or state portals); universities, research labs, startups and NGOs writing grant applications (Horizon Europe, national programmes, foundations).
- Today: copy-and-paste from old bids, hunting for experts across teams, and last-minute formatting. Answer libraries maintained by hand go out of date quickly. Many SMBs do not bid on public tenders at all because writing the bid costs too much.
- AI value: a first draft in hours instead of days, more consistent answers, fewer missed requirements, and more bids submitted with the same team. The figures below are vendor-reported and unaudited, so treat them as upper bounds:
- Loopio cites 50% annual time savings and 25% more RFPs completed across customers [1].
- Responsive cites a Microsoft case of 21,100 hours and USD 17M in response cost saved [2].
- AutogenAI claims a 70% increase in drafting speed [3].
- A Dutch Altura customer reports winning two out of three tenders, up from 40% [4].
Variants
- Commercial RFP/RFI response (B2B sales): Q&A-library-driven, often hundreds of questions in Excel or a buyer portal. This is the classic "proposal management software" category.
- Security, privacy and vendor-due-diligence questionnaires (SIG, CAIQ, ISO 27001/TISAX/NIS2 evidence requests). The answers must match the current trust centre and policies exactly.
- Public tenders (B2G): narrative concepts (Konzepte) scored against award criteria, formal completeness (forms, declarations, Eignungsnachweise) and strict format rules. For analysing the incoming documents see DOC-015; for finding tenders see KNOW-017.
- Grant and funding applications: EU framework programmes, national or state funding (Förderprogramme), foundations. Writing is driven by the call's evaluation criteria (excellence, impact, implementation), page limits and work-package and budget logic.
- Funder side (screening incoming proposals, assigning reviewers) is a separate use case: DOC-031.
- Private / small organisations: clubs, artists and freelancers using a general assistant for small grant or scholarship applications. The disclosure rules below still apply.
How it works
- call / RFP / questionnaire intake (PDF, DOCX, XLSX, portal export)
- parsing & question/requirement extraction (incl. hidden "must" criteria, limits, formats)
- bid/no-bid support (fit vs. capabilities, references, deadlines) ← human decision
- retrieval per question: approved Q&A library + past bids + docs (hybrid search + reranker)
- drafting: reuse approved answer | adapt | generate new text with citations & confidence
- compliance matrix & gap list
- SME assignment ← human-in-the-loop
- review: consistency, evaluation-criteria coverage, tone, length, translation
- final edit, pricing & legal sign-off ← human only
- submission + write-back of approved answers to the library
- Retrieval is the core. Answer quality depends on a curated, versioned library of approved answers with owners and expiry dates, plus hybrid search (BM25 plus embeddings) and a reranker over past bids and product and security documentation.
- Drafting: an LLM with long context writes or adapts each answer, cites the passages it used and flags low-confidence answers. Reasoning models help with grant narratives that have to tie objectives, work packages, KPIs and budget together.
- Agents split a large bid into tasks (one per section or question), call tools (library search, SharePoint/Drive connectors, CRM) and assemble the document. Vendors increasingly expose this through MCP servers, for example Loopio MCP and Arphie MCP [1][5].
- Human-in-the-loop: experts approve new or changed claims, while sales, finance and legal own pricing, liability and commitments. An authorised person signs.
Data preparation
This use case lives on the quality of the answer library, so data preparation is a large share of the effort (roughly 40-50%). Needed: past bids and proposals, reference projects, CVs and qualification evidence, certificates, price sheets, policies (quality, security, data protection), product sheets and the call or tender documents themselves.
Where it lives in an SMB: file shares and mail folders, the DMS, old Word and PDF files, scanned certificates, sales staff's laptops and the CRM. Typical gaps: ten versions of the same answer, outdated references and prices, scans without text, no marking of which bid won, and access rights that are too open (prices and trade secrets).
Preparation steps: 1. Inventory the sources and name owners (PREP-001, PREP-004). 2. OCR scans and convert old formats (PREP-006, PREP-007; DOC-014 for document extraction). 3. Curate a single, current answer library with approved texts per topic and tag it with topic, date and owner (PREP-013, PREP-010). 4. Harvest labels from CRM history: won, lost and scored bids (PREP-020). 5. Collect gold-standard answers and build a small test set with the bid team (PREP-016, PREP-018). 6. Restrict permissions before indexing (PREP-023) and decide what may go into which AI tool (PREP-024).
Tools: Paperless-ngx or the existing DMS, Docling for parsing, a review spreadsheet for the library. Plan a review cycle (PREP-017).
Implementation paths
Which path for whom
- SMB — Path B: bid platforms are priced for large sales teams and mostly US-hosted, while an SMB's value lies in its own references, prices and past bids, so a RAG assistant on an EU-hosted API over those documents fits best.
- Enterprise — Path A: recurring RFP volume justifies specialised platforms (Loopio, Responsive, Tendium) with answer libraries, workflows and audit trails, if EU data residency is contractually secured.
- Developer — Path C: open-weight models with a document parser and vector database give full control over confidential bid data.
- Public — Path B: sovereign EU or German cloud APIs fit procurement and sovereignty rules; certified products only where available.
Path A — Buy (off-the-shelf)
- RFP / questionnaire platforms:
- Loopio: Response Intelligence, MCP connector, Glean connector [1].
- Responsive (formerly RFPIO): AI Assistant and TRACE Score for answer completeness [2].
- Arphie: cites sources and gives a confidence score for each answer; SOC 2 Type 2 [5].
- Also Inventive AI, Qvidian/Upland and Ombud.
- Bid writing (incl. public sector):
- AutogenAI: UK origin, with Enterprise, Federal and Grant Writer editions [3].
- Altura (EU, Netherlands-focused): tender, requirement, risk and submission-readiness workflows, with every finding linked to its source text [4].
- Tendium (EU, Sweden): tender search, Bid Studio and the Louie AI assistant [6].
- In Germany, tender portals such as DTVP are adding AI for matching (e.g. the Argos assistant), but not yet for writing bids [7].
- Grant writing: Grantable (US, nonprofit focus, with a free tier) [8]. Many research offices use M365 Copilot or Claude/ChatGPT Enterprise projects that hold the call text and boilerplate.
- Choose A when you answer recurring commercial RFPs or questionnaires and can accept SaaS. Check EU data residency, that your data is not used for training, SSO, audit logs of how each answer was generated, and connectors to SharePoint, Confluence and your CRM.
Path B — Build on cloud APIs
- Models: Claude, GPT and Gemini (all available in EU regions via AWS Bedrock Frankfurt, Azure OpenAI EU Data Zone and Vertex AI europe-west3), or Mistral (EU provider, La Plateforme) for EU-only processing. Use long-context models for full call documents and reasoning models for grant narratives and compliance checks.
- Stack:
- Document parsing: Docling or Azure Document Intelligence.
- Hybrid index: OpenSearch/Elasticsearch, or pgvector plus BM25, with a reranker (Cohere Rerank, or the open bge-reranker).
- Orchestration: LangGraph, LlamaIndex or a simple job queue that runs one prompt per question, with structured JSON output (answer, sources, confidence, open questions).
- Output: write back into the buyer's Excel or Word template (python-docx/openpyxl), so the original formatting is kept.
- Integrations: SharePoint/Drive, CRM (Salesforce, HubSpot) for opportunity data, and the e-procurement portal export.
- Choose B when your bids are very specific (engineering, construction concepts) or you need tight integration with internal systems.
Path C — Self-host (open source)
- Models: open-weight LLMs with long context and strong German/English writing, e.g. Qwen3 (30B-A3B or 235B-A22B), Mistral Small 3.x / Mistral Medium-class (where licensed), gpt-oss-120b, Llama 3.3 70B. Embeddings: bge-m3 or multilingual-e5; reranker: bge-reranker-v2-m3.
- Stack: vLLM or Ollama for serving; Open WebUI, Onyx or RAGFlow for an assistant UI with document collections; Docling for parsing; Qdrant or OpenSearch as the index; n8n for workflow.
- Hardware: HW3. One 80–96 GB GPU (H100 or RTX PRO 6000) runs a 70–120B-class model quantised, which gives the writing quality that bids need. HW2 can run 30B-class MoE models for drafting from a library, with weaker results on long narratives.
- Choose C when the bid material is classified or confidential (defence or critical infrastructure tenders, VS-NfD, sensitive pricing) or your policy forbids sending it to the cloud. You take on the work of keeping the library, index and model current.
Path D — Custom training
This is rarely worth it. Retrieval over your own bids does most of the work. Fine-tuning a style LoRA on a few hundred approved, high-scoring answers can help a large bid organisation (or a vendor such as AutogenAI with its custom language engine) match house tone and structure [3]. Evaluator scores and win/loss data are too sparse and noisy to train on directly; use them to evaluate prompts and retrieval instead.
State of the art (2026)
- From library lookup to agentic drafting: leading tools now read the whole RFP, pre-fill every answer with a first draft, score completeness (e.g. Responsive's TRACE Score) and connect to assistants through MCP [1][2][5]. Showing the source and a confidence score for each answer is now expected [5].
- Tender analysis and writing are converging: platforms like Altura and Tendium combine finding tenders, extracting requirements, risk analysis and writing in one shared bid workspace [4][6].
- Models: frontier models (Claude, GPT, Gemini) and strong open models (Qwen3, gpt-oss, Mistral) can all write good proposal prose. What separates results is the quality of the content library, retrieval and review. No public benchmark targets bid quality, so evaluate on your own past bids (blind expert scoring against the award criteria).
- Limits and failure modes:
- Invented capabilities, certificates or references. In a public tender this can amount to misleading information and lead to exclusion under § 124(1) No. 8/9 GWB [9].
- Stale library answers that contradict current policies.
- Generic "AI-sounding" prose that scores poorly on award criteria.
- Misread page limits and formats.
- Confidential pricing leaking into shared libraries.
Shared resources & combinations
- Same RAG stack (embedding-text + reranker + vector-db + search-engine + llm-general):
- KNOW-002 company-document assistant
- KNOW-011 knowledge base and FAQ maintenance
- LANG-003 report, proposal and offer writing (unsolicited offers and reports, as opposed to answering a buyer's questions)
- One HW3 inference server and one shared, governed index can serve all of them.
- Upstream: KNOW-017 finds tenders and funding opportunities, DOC-015 analyses tender documents and extracts requirements, and DOC-014 parses PDFs for the index.
- Along the way:
- LANG-008 summarises long call texts.
- LANG-009 translates for multilingual EU bids.
- LANG-011 makes tone match the brand voice.
- DOC-010 reviews contract and terms deviations.
- DATA-012 supplies ESG/CSRD evidence for sustainability award criteria.
- Counterpart: DOC-031 covers funders screening proposals. Applicants should expect that funders check for duplicate and AI-generated text.
Effort, cost & KPIs
- Path A: 2–6 weeks; most of the effort goes into importing and cleaning the answer library. Pricing is per seat or per project. Grantable starts with a free tier and paid plans of USD 50–150/month [8].
- Path B: 1–3 months for a pipeline with an index, template write-back and review UI. Per-bid API cost is small compared with staff time.
- Path C: 2–4 months plus a GPU server (HW3) and ongoing operations.
- Cost drivers: curating the library (owners, expiry dates), expert review time, integrations.
- KPIs:
- hours per bid and per question
- share of answers taken from the library unchanged
- bids submitted per FTE
- bid/no-bid cycle time
- win rate and evaluator scores per criterion
- formal exclusions avoided
- share of answers past their expiry date
People & change
Start with management (bid strategy, risk appetite) and the department lead of sales or bid management, who owns the process. Bring in data-owners (sales, project managers, quality) early because they hold references and CVs; end-users are the bid writers and subject experts who review answers. Legal-compliance checks confidentiality duties to clients, NDAs and liability for wrong statements; it-security and the dpo cover hosting, AVV and personal data in CVs (a DPIA is usually not needed, but personnel data requires a clear legal basis and consent for CVs).
Works council: depends. If the tool logs who wrote or changed which answer, or measures individual bid output, §87(1) no. 6 BetrVG applies; inform it anyway under §90(1) no. 3. Public sector: staff council.
AI literacy (support measures under Art. 4 AI Act): train bid writers on verifying claims and citations (GUIDE-006). Keep humans in control: nothing is submitted without expert review and sign-off, because a tender statement is legally binding. Run a pilot with one real recurring questionnaire and a small team (GUIDE-009). Typical concerns: fear of de-skilling (experts become reviewers and keep ownership), mistakes in bindings (source citations required for each answer), and leaking competitive prices (access rights, no training on data). See GUIDE-010 for vendor selection and GUIDE-005 for data protection.
Risks, regulation & compliance
- EU AI Act: typically minimal risk. Writing your own bid is not an Annex III use; Annex III point 5(a) covers public authorities assessing natural persons' eligibility for public benefits, which is the funder side, not the applicant [10]. Art. 4 (AI literacy) applies. Art. 50(4) disclosure covers text published to inform the public, so a confidential bid sent to one buyer is normally out of scope [11]. Providers' machine-readable marking duty under Art. 50(2) applies from 2 Aug 2026 [11] (Digital Omnibus, Reg. 2026/1744: systems already on the market before 2 Aug 2026 have until 2 Dec 2026 for Art. 50(2) marking).
- Funder rules:
- DFG allows generative AI in proposals but requires disclosure of which tools were used and for what, and bans it in peer review [12].
- The European Commission's ERA "Living guidelines on the responsible use of generative AI in research" (latest edition listed 15 Oct 2026) say researchers stay fully responsible for the content [13].
- Always check the specific call for disclosure duties.
- Procurement law: the bidder is liable for every statement. Misleading information or improper influence can lead to exclusion (§ 124 GWB) [9]. Do not reuse confidential content from other clients in your answers.
- GDPR: CVs of key staff, references and contact persons are personal data. Use a data processing agreement with the vendor, EU hosting, role-based access and retention rules for the library. Anonymise reference projects where needed.
- Confidentiality: buyer documents are often under an NDA, and security-classified tenders (VS-NfD) need self-hosting (Path C) or an approved environment.
- Mitigations:
- Answer only from approved sources, and show citations.
- Run a claim check against the certificate and reference register.
- Require mandatory expert sign-off for new claims.
- Keep an audit log of AI drafts versus the submitted text.
Getting started
- Collect your last 10–20 bids or applications. Keep the best answers, assign each an owner and an expiry date, and remove the rest. This library is the main asset.
- Pilot 2–3 Path A tools (or a Claude/Copilot project for grants) on one live RFP and one past RFP whose evaluator scores you know.
- Set up a compliance matrix template and an approval workflow, and define which claims (prices, certificates, SLAs, references) need human sign-off.
- Measure hours per bid and the share of library answers reused; after a quarter, compare win rate and evaluator scores.
- Connect upstream (KNOW-017 tender discovery, DOC-015 requirements extraction) once drafting works.
Sources
- Loopio — product overview (Response Intelligence, Loopio MCP, customer results) — https://loopio.com/
- Responsive — AI for RFP/RFx response (TRACE Score, Microsoft and other case figures) — https://www.responsive.io/
- AutogenAI — bid and grant writing platform — https://autogenai.com/
- Altura — AI tender analysis and bid workflows (customer quote GMB) — https://altura.io/en
- Arphie — AI RFP & questionnaire platform (citations, confidence scores, MCP) — https://www.arphie.ai/
- Tendium — tender search, Bid Studio, Louie AI (Stockholm) — https://tendium.com/
- Deutsches Vergabeportal (DTVP) — Argos AI assistant for bidders — https://www.dtvp.de/
- Grantable — AI grant-writing software and pricing — https://www.grantable.co/
- § 124 GWB — Fakultative Ausschlussgründe — https://www.gesetze-im-internet.de/gwb/__124.html
- EU AI Act Annex III — https://artificialintelligenceact.eu/annex/3/
- EU AI Act Article 50 — https://artificialintelligenceact.eu/article/50/
- DFG — Statement on the influence of generative models on science and the humanities and on DFG funding (21 Sep 2023) — https://www.dfg.de/en/news/news-topics/announcements-proposals/2023/info-wissenschaft-23-72
- European Commission, DG RTD — Living guidelines on the responsible use of generative AI in research — https://research-and-innovation.ec.europa.eu/document/2b6cf7e5-36ac-41cb-aab5-0d32050143dc_en
All accessed 2026-10.