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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Workorb AI
✓ verifiedPaid
AI proposal and RFP-response tool for architecture, engineering, and construction firms that organizes past project data.
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Glean
✓ verifiedPaid
Enterprise Work AI platform for company-wide search, an AI assistant and building governed agents across 250+ connectors.
3.2M visits/mo
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ResearchRabbit
✓ verifiedFreemium
Free-first literature discovery tool that visually maps citation networks and related papers to speed up systematic reviews.
1.2M visits/mo79 saves
Pricing
RFP & Proposal AI Evaluator: $149/user/mth
RFP Evaluator: $175/user/mth
Free trial available
No public pricing
Free: $0/month (unlimited searches across 310M+ articles)
ResearchRabbit+ Annual: $10/month
ResearchRabbit+ Monthly: $12.5/month
Core features
- ✦Automatic organization of firm knowledge (proposals, resumes, projects)
- ✦RFP summarization for go/no-go decisions
- ✦AI-drafted proposal and fee letter first drafts
- ✦Compliance checking against RFP requirements
- ✦Bid leveling and proposal scoring
- ✦SOC 2 Type 2 and ISO 27001 compliant data handling
- ✦Enterprise search across company apps
- ✦Personal AI assistant grounded in work data
- ✦Agent builder, orchestration and governance
- ✦250+ connectors and actions
- ✦Enterprise knowledge graph and hybrid search
- ✦Security controls for scaling AI
- ✦Citation and author network exploration from a seed paper
- ✦Interactive visualizations of how topics relate over time
- ✦Unlimited library organization and collection sharing
- ✦Zotero integration for syncing saved papers
- ✦Up to 300 seed articles supported on the paid tier
- ✦Alerts for new related research
Use cases
- →Deciding which RFPs to pursue faster
- →Drafting first-pass proposals from firm knowledge
- →Reducing manual data entry across marketing systems
- →Proofing proposals for compliance before submission
- →Preserving institutional knowledge against staff turnover
- →Search across all company knowledge
- →Answer employee questions with grounded AI
- →Build and deploy custom AI agents
- →Automate cross-system workflows
- →Building a systematic literature review efficiently
- →Discovering research gaps in an unfamiliar field
- →Tracking new publications related to saved papers
- →Visualizing how a body of research has evolved
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