RFP discovery and response · Checked 31 October 2026
MightierAI alternative: Ziva vs MightierAI (2026)
Choose Ziva if you want a published price per project, unlimited users and the full package, including pricing sheet and presentation, from one workspace. Choose MightierAI if you bid on US public RFPs and want opportunity matching plus a filled Excel, branded Word or PDF draft from your past responses. MightierAI publishes no price.
Choose Ziva if
A bid team that wants to know the price up front and get the narrative, the buyer’s files, the pricing sheet and the presentation finished together.
Choose MightierAI if
A US team that wants RFP matching and a quick drafted questionnaire from its past responses, starting with a free trial.
At a glance
Ziva and MightierAI, fact by fact.
Every MightierAI entry links to its source and shows when we checked it. Where we could not find a published fact, we left the row out.
| Fact | Ziva | MightierAI |
|---|---|---|
| Price model | ZivaOne published price per project. You choose how many new projects you open each month. | MightierAINot published. Demo and trial routes only. MightierAI homepage(opens in a new tab)MightierAI Find(opens in a new tab) Checked 31 October 2026 |
| Trying it first | ZivaStart paid, with a first-month money-back right: ask for a refund within the first month and you get the full amount back. | MightierAIFree trial with no card: upload 3 to 5 past responses and a target questionnaire. MightierAI homepage(opens in a new tab) Checked 31 October 2026 |
| Time to the first bid | ZivaNo library to build first. Upload past bids and documents as they are and start on a live tender, or on one you submitted before. | MightierAISetup in minutes; a questionnaire comes back as an Excel response in less than one day. MightierAI homepage(opens in a new tab) Checked 31 October 2026 |
| Public tender search | ZivaYes. The public tender directory on zephior.com/tenders is free to browse, without an account. Ziva Intelligence, search and analysis for one country, is CHF 199 per month. | MightierAIYes. Find matches federal, state, local and municipal opportunities from 100,000+ sources by its own count, with a fit score. MightierAI homepage(opens in a new tab)MightierAI Find(opens in a new tab) Checked 31 October 2026 |
| Fills the buyer’s own Excel and Word files | ZivaYes. Ziva fills the buyer’s own Excel workbook in place and works inside their Word templates, keeping tabs, layout and formatting. | MightierAIReturns a filled-out XLSX. Writing inside the buyer’s own Word template is not described. MightierAI Respond(opens in a new tab) Checked 31 October 2026 |
| Full proposal package | ZivaYes. Proposal, forms, pricing sheet and presentation as finished Word, Excel, PowerPoint and PDF files. | MightierAIPartly. Branded DOCX, styled PDF or a full narrative draft. Pricing sheets and presentations are not described. MightierAI Respond(opens in a new tab) Checked 31 October 2026 |
| Hosting | ZivaCloud hosting in Switzerland, the EU or the US. | MightierAISOC 2 Type II; customer data isolated and not used for training. Hosting region not stated. MightierAI homepage(opens in a new tab) Checked 31 October 2026 |
Ziva prices exclude VAT. See current pricing for every plan and currency.
In their own words
Where MightierAI falls short.
Taken from MightierAI’s own pages and from public reviews, each with its source.
No public price
MightierAI lists no prices. Access runs through a trial, a demo call or a curated-opportunity request.
MightierAI homepage(opens in a new tab)MightierAI Find(opens in a new tab)Public sources only, for now
Its FAQ says Find focuses on publicly posted opportunities and that private exchanges are on the roadmap.
“on our roadmap”
MightierAI Find(opens in a new tab)Stops at the response draft
Outputs are the filled questionnaire, a Word or PDF draft or a narrative. Pricing workbooks and presentations are not described.
MightierAI Respond(opens in a new tab)
Where Ziva goes further
What changes for your bid team.
The buyer’s file comes back finished
Ziva fills the buyer’s own workbook, cell by cell, with its tabs and formatting intact, and writes the narrative inside their Word template. What you send back is their file, ready to submit.
The whole proposal package
Cover letter, contents, tables, charts, pricing sheet with working formulas and the presentation: Ziva produces the full package as Word, Excel, PowerPoint and PDF files.
Every answer shows its evidence
Each answer cites the documents it came from and shows a confidence score for how well your evidence supports it, preferring your newest approved wording. Reviewers approve, comment and restore earlier versions on the answer itself.
Priced per project, for the whole team
No platform fee and no seats. Every plan includes unlimited users, unlimited company knowledge and the same capabilities, monthly or annual.
What MightierAI does well
- Finds opportunities and drafts the response in one product. MightierAI homepage(opens in a new tab)
- Every claim traced to source passages, and gaps flagged rather than invented. MightierAI Respond(opens in a new tab)
- A free trial on your own documents, without a card. MightierAI homepage(opens in a new tab)
Switching
Moving from MightierAI to Ziva.
- 1
Bring your answers and past bids
Export your answer library and recent submissions and upload them as they are, in Excel, Word or PDF. Ziva turns them into company knowledge with sources, with no column mapping.
- 2
Run one bid side by side
Take a tender you submitted before, or a live one, and run it in Ziva during your first month. Compare the finished files with your original submission.
- 3
Invite the whole team
Every plan has unlimited users, so subject experts, legal and finance can review in Ziva from the first bid without a seat budget.
- 4
Decide on evidence
If the first month does not convince you, ask for your money back. Keep your current tool until Ziva has produced a package you would send.
Questions
Ziva vs MightierAI: straight answers.
How much does MightierAI cost?
MightierAI does not publish prices. Ziva costs from USD 650 (CHF 500) per month for one project, with unlimited users.
MightierAI homepage(opens in a new tab)Do both find opportunities?
Yes. MightierAI has Find. Zephior’s public tender directory on zephior.com/tenders is free to browse, without an account.
MightierAI Find(opens in a new tab)Do both fill Excel questionnaires?
Yes. MightierAI returns a filled XLSX. Ziva fills the buyer’s own workbook in place, writes in their Word template and builds the pricing sheet and presentation.
MightierAI Respond(opens in a new tab)Sources and method
We read MightierAI’s own website and, where noted, public review pages. Last full check: 31 October 2026. Review quotes are short excerpts from the named page. Zephior publishes this page and sells Ziva; our facts follow our published pricing and product pages. If anything about MightierAI has changed, tell us at hello@zephior.com and we will correct it.
Try it on a real bid
Bring a tender you know.
Compare what comes back.
Run a live tender, or one you submitted before, in your first month. If Ziva does not convince you, you get your money back.