Zephior vs BidSieve
Turn the weekly shortlist into a finished response.
Choose Ziva when the bottleneck is the work after the digest: company-grounded responses, original files and commercial schedules. BidSieve is a focused monitoring and pipeline option. Ziva adds an agent that can carry out the document production rather than leave it with the bidder.
Where Ziva makes the difference
Get more of the work off your team’s desk.
Have the agent act on the selected tender
Upload the original buyer documents and ask Ziva for the completed questionnaire, narrative and supporting files. She can revise layout, tables and formulas as part of the assignment. That is a tangible step beyond receiving a relevant summary and moving a pipeline card.
Keep the preparation method for the next opportunity
Ziva retains company terminology, formatting conventions and repeatable instructions across assignments. Use selected company evidence for each response. The benefit is less repeated briefing and manual reconstruction when similar tenders appear in later monitoring cycles.
Work through gaps with the right people
Ziva can build an editable readiness checklist or risk register alongside the files. Source-level permissions scope specialist access, and accepted file history supports recovery. Compare the complete production need separately from the cost of a lightweight digest subscription.
Where each fits
Start with the job you need done.
Consider BidSieve for
Small suppliers wanting a manageable federal opportunity digest and simple pipeline.
Choose Zephior for
Teams needing discovery to connect directly with company evidence, response files and an agreed preparation outcome.
A deliberately small weekly shortlist
BidSieve describes a weekly email of five to fifteen matches, with summaries, values and due dates.
BidSieve digest, sources and pipeline(opens in a new tab)Lightweight pursuit tracking
Keywords, agency preferences and pipeline status support repeatable monitoring without an extensive capture configuration.
BidSieve digest, sources and pipeline(opens in a new tab)Straightforward published Core pricing
The pricing page lists a single current Core plan and separates upcoming states and premium tiers.
BidSieve Core and forthcoming plans(opens in a new tab)Across the bid lifecycle
Follow the work, stage by stage.
Compare the published scope with the work your team needs. A capability to verify is an evaluation question, rather than proof a product cannot do it.
Discover
Find the next opportunityCore pricing names SAM.gov monitoring. The homepage also advertises Cal eProcure, so confirm current state coverage.
BidSieve digest, sources and pipeline(opens in a new tab)BidSieve Core and forthcoming plans(opens in a new tab)Search supported public procurement markets with Discover and receive company-specific monitoring through Intelligence.
Qualify
Decide where to investAI summaries highlight the purchase and requirements; validate the original documents before a bid decision.
BidSieve digest, sources and pipeline(opens in a new tab)Assess relevance, requirements and evidence gaps. A preliminary Intelligence recommendation is distinct from a complete tender-document audit.
Pursue
Shape the bid strategyPipeline tracking follows discovery through bid and outcome; a vendor-ad helper supports prime/subcontractor outreach.
BidSieve digest, sources and pipeline(opens in a new tab)Bring in Zelius for pursuit sparring, bid strategy, specialist coordination and a scoped delivery plan.
Remember
Reuse company evidenceA company capability profile informs filtering. Test reusable response evidence and approved answers separately.
BidSieve digest, sources and pipeline(opens in a new tab)Turn existing documents and diagrams into reusable company evidence. Select the sources for each bid, review proposed knowledge changes and carry company terminology and working instructions into later assignments.
Respond
Produce the actual filesThe reviewed product concentrates on monitoring and summaries. Require a demonstration of any complete proposal-production scope.
BidSieve Core and forthcoming plans(opens in a new tab)Give Ziva the buyer’s original files and the outcome. She can fill workbook cells, revise document content and layout, build calculations and prepare related Word, Excel, PDF and presentation deliverables.
Review and deliver
Move to approved outputAgree the separate workflow for final files, specialist approvals and submission receipt.
BidSieve digest, sources and pipeline(opens in a new tab)Keep source-scoped reviewers, comments and accepted document history beside production. Review and restore prior accepted versions. Zelius can handle separately agreed submission work with customer approval and authority.
Zephior combines separately purchasable software and managed services. Customer decisions, declarations, pricing and final approval remain with the customer. Product access and service scope follow the chosen plan and agreement.
Pricing and ownership
Price the work completed, not just the subscription.
BidSieve
BidSieve lists Core at $59 per month or a $54 monthly equivalent billed annually. Its fourteen-day trial requires no card. Core + States and Premium are marked not yet available on the pricing page. Confirm the exact current sources because the homepage separately advertises California alongside federal monitoring.
BidSieve Core and forthcoming plans(opens in a new tab)Zephior
Projects starts at CHF 500 per month for one Project Key, with unlimited users and company knowledge within one organization. Independent Intelligence starts at CHF 199 per month for one country. New software access starts paid with the published first-month money-back conditions. Zelius services have their own agreed scope and fees.
See current Zephior pricing ↗Compare source coverage, digest cadence, notice relevance and the separate work of producing a response. A focused discovery subscription is a different purchase from a completed bid.
Published prices are starting points, not like-for-like quotes. Confirm currency, taxes, billing period, scope and current terms with each provider.
Make the evaluation useful
Bring a tender your team knows.
Use a past submitted tender as a benchmark, or a suitable live package. Compare the evidence, the final output and the work left for your team.
Confirm California availability
Ask for a current demonstration of the state source and its paid entitlement rather than relying on conflicting page descriptions.
Inspect a weekly shortlist
Compare the matches with your actual services, contract sizes and agencies. Open the original requirements behind the summaries.
Test a short-deadline notice
Check how an opportunity published between digests is found and whether the remaining response window suits your process.
Carry one match through submission
Measure evidence collection, drafting, file assembly and approvals after the shortlist arrives. Assign each task to a provider or person.
Questions before you choose
A closer look.
Are the advertised state tiers live?
The pricing page marks Core + States and Premium as forthcoming. The homepage separately mentions Cal eProcure; confirm current coverage and entitlement before purchase.
BidSieve Core and forthcoming plans(opens in a new tab)BidSieve digest, sources and pipeline(opens in a new tab)Is Zephior the lower-cost digest?
BidSieve’s listed Core price is lower than Zephior Intelligence’s starting price. Compare coverage, scope and whether you also need response production or managed preparation.
BidSieve Core and forthcoming plans(opens in a new tab)Sources and comparison method
Reviewed 19 October 2026. Competitor descriptions use the official product and pricing sources below. These are published capabilities, not results from a controlled product trial. Zephior publishes this comparison and has a commercial interest in your choice. Workflow recommendations are our assessment.
- BidSieve digest, sources and pipeline ↗(opens in a new tab)
- BidSieve Core and forthcoming plans ↗(opens in a new tab)
For Zephior’s current offer, see Ziva, Zelius and pricing. Ask us to demonstrate any requirement that is essential to your decision.
Your next opportunity
Bring the work.
See how far Zephior takes it.
Discuss your markets, a representative tender and the parts your team wants to hand over.