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Glean alternative that runs on your own infrastructure — open source

Glean is an enterprise search and assistant product that Glean operates, in its cloud or in your cloud account, sold per seat with contract minimums; it suits large organisations that accept a vendor running the system over their content. DocsGPT is an MIT-licensed alternative that can run in the cloud, on your own servers or fully air-gapped, with your choice of model and no per-seat licence on self-hosted deployments.

Last updated: · Facts checked on

Glean and DocsGPT at a glance

Licence, hosting, models, price, contract and data access, side by side.

Glean is a proprietary product that Glean operates, in its cloud or in your cloud account, with no self-operated or air-gapped option; its model hub covers cloud providers, with your own API keys accepted but no local models. Pricing is unpublished and reported at ~$50–75 per user per month, with contract minimums of about 100 seats. DocsGPT is MIT-licensed, runs in four postures including air-gapped, supports any model including local engines, publishes its Cloud price and has no seat minimum.

Glean and DocsGPT compared on 6 rows
 GleanDocsGPT
Open-source licenceProprietary1MIT (platform, CLI and widget)2
Self-host and air-gapGlean-operated only: Glean Hosted, or Customer Hosted in your cloud account; no air-gapped mode1Yes — Self-hosted (community), On-premises and Air-gapped (zero external egress), from one seat2
Model choice / BYOMModel hub of cloud providers, with your own API keys; no local models1Any cloud provider or local engine (Ollama, vLLM, llama.cpp and others); BYOM2
Transparent pricingNot published; ~$50–75/user/month reported1Yes, per posture: Cloud $20/seat/month; Managed from $2,000/month, flat; On-premises and Air-gapped from $10,000, one-time or recurring2
Seat minimum / contract~100 seats reported1None; self-hosting has no licence fee2
Vendor access to dataYes — Glean's service indexes and processes content1Yes on Cloud and Managed — Arc53 operates both, Managed as a dedicated instance in your region; No on On-premises and Air-gapped, which you operate2

¹ Glean facts checked on . ·² Sources: docs.docsgpt.cloud and the public repository.

Where Glean is the better fit

  • A large, SaaS-first estate with many managed connectors to keep in sync.
  • You want a single vendor to run indexing, models and the application.
  • There is no requirement to operate the system yourself or to run it air-gapped.
  • Headcount is well above the contract minimum and per-seat budgeting is established.

Where DocsGPT is the better fit

  • Content cannot leave the network: On-premises or Air-gapped posture.
  • Models are your own — a cloud provider key or local engines such as Ollama and vLLM.
  • The team is under 100 seats, or grows without a per-seat licence step.
  • The work goes beyond search: agent workflows, document classification and OCR over scanned PDFs.
  • Governance you hold: connector credentials encrypted on your server, admins choosing which connectors are enabled and whether they can write, roles, SCIM, usage quotas per person, an audit log exported as CSV or NDJSON, and a prompt-injection model that runs inside your deployment.
  • Breadth without a catalogue race: built-in connectors for Google Drive, SharePoint, Confluence, GitHub and S3, one-click Notion, Jira and Linear, and any MCP server or OpenAPI spec as a custom connection.
  • Cost should be flat infrastructure plus support rather than scaling with headcount.
docsgpt — chat

2.5M+ pages · 6 languages

Multilingual EU-law research over 2.5M+ pages, answers in 6 EU languages with full source citations, 100–200 ms retrieval.

Source: LexEU

5,000+ documents · flat monthly fee

Dedicated managed instance for a specialist consultancy: 5,000+ documents, SSO, one flat monthly fee with no per-seat licence.

Source: No Deviation

Cost at 100 and 1,000 seats

The band uses the reported $50–75 per user per month. DocsGPT Cloud is per seat; Managed and On-premises are flat per deployment, from the published starting prices.

Annual cost at 100 and 1,000 seats
 GleanDocsGPT
100 seats, per year$60,000–90,000/yrCloud $24,000/yr · Managed from $24,000/yr · On-premises from $10,000, one-time or recurring
1,000 seats, per year$600,000–900,000/yrCloud $240,000/yr · Managed from $24,000/yr · On-premises from $10,000, one-time or recurring
Basisreported $50–75/user/month × seats × 12Cloud $20/seat/month × seats × 12 · Managed from $2,000/month, flat · On-premises and Air-gapped from $10,000, one-time or recurring, plus your infrastructure

Before negotiation; add-ons excluded; checked on 2026-10-26.

Annual cost vs seatsreported prices · 2026-10-26
Annual cost versus seats: Glean per-seat reported price against DocsGPT Cloud per seat and a flat Managed instanceGlean annual cost rises linearly with seats from zero to $900,000 at 1000 seats. DocsGPT Cloud rises to $240,000; DocsGPT Managed is flat at $24,000 from its from-price.$0$225k$450k$675k$900k02505007501,000SEATSGlean, reported $50–75/user/moDocsGPT Cloud, $20/seat/moDocsGPT Managed, from $2,000/month flat ($24,000/yr)
Text version

At 100 seats Glean costs $60,000–90,000 per year at the reported $50–75 per user per month; at 1,000 seats, $600,000–900,000. DocsGPT Cloud at $20 per seat per month costs $24,000 per year at 100 seats and $240,000 at 1,000; a Managed instance is flat from $24,000 per year at any seat count; On-premises and Air-gapped start from $10,000, one-time or recurring, plus your own infrastructure. Facts checked on 2026-10-26.

Frequently asked questions

Who is Glean's biggest competitor?

The products most often compared with Glean are Microsoft 365 Copilot and ChatGPT Enterprise among hosted assistants, and open-source platforms such as Onyx and DocsGPT among self-hostable ones. Which is the closest fit depends on the estate, the deployment posture and the pricing model rather than a ranking.

Is there a free version of Glean?

Glean has no free tier (checked 2026-10-26); it is sold per seat with contract minimums. DocsGPT is free to self-host under the MIT licence, and the Cloud plan is $20/seat/month.

Does Glean offer on-premise deployment?

Glean is always operated by Glean: Glean Hosted, or Customer Hosted in your own cloud account, and no air-gapped mode is documented (checked 2026-10-26). DocsGPT runs on-premises and air-gapped from one seat.

Is Glean like Copilot?

Both are hosted, per-seat assistants that index company content and are operated by the vendor. Glean spans many SaaS sources and is sold with contract minimums; Copilot is tied to Microsoft 365 and priced at $30/user/month list. Neither can run on servers you operate or air-gapped: Copilot is a Microsoft cloud service, and Glean is operated by Glean, in its cloud or in your cloud account (checked 2026-10-26). See DocsGPT vs Microsoft 365 Copilot and DocsGPT vs Glean.

How much does Glean cost per user?

Glean does not publish pricing. Public reporting puts it at about $50–75 per user per month with minimums of roughly 100 seats (checked 2026-10-26). At 100 seats that is $60,000–90,000 a year before negotiation.

Alex Tushynski

Co-Founder, Arc53

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