Head to head

SciSpace vs Glean

SciSpace (SciSpace) and Glean (Glean) both sit in Search & Research. SciSpace is the cheaper entry point at Free tier · from $12/mo. Glean shipped more tracked changes in the last 30 days (2 vs 0). Every value below comes from the latest crawl of the vendors' own pages.

AttributeSciSpace

SciSpace

Glean

Glean

SegmentSearch & ResearchSearch & Research
Version2025June 2026
Entry costFree tier · from $12/mofrom $100/mo
Pricing tiersEnterprise free
Model stackClaude · GPT40+ Unique LLMs ( · Claude · growing!) · Model hub (supports 40+ LLMs)
Context windowModel-dependent
Public API
Routes models
Changes / 30d02
OriginGlobalGlobal
CapabilitiesPaper chat, Literature review, Citation graphPermissions-aware search, Knowledge graph, Glean Agents, 100+ connectors, Assistant, Enterprise Search, Glean Assistant, Agent Builder

Glean

Glean indexes SaaS, docs and chat with permissions-aware retrieval, then layers assistants and agents on the resulting knowledge graph.

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