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Glean alternative that runs on your own infrastructure — open source

Glean is a cloud-only enterprise search and assistant product sold per seat with contract minimums; it suits large organisations that accept SaaS processing of 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Glean is a proprietary, cloud-only product with no true on-premises option, a vendor-operated model hub, unpublished pricing reported at ~$50–75 per user per month and contract minimums of about 100 seats.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 six rows
 GleanDocsGPT
Open-source licenceProprietary1MIT (platform and CLI)2
Self-host and air-gapNo true on-premises; no air-gapped mode1Yes — Self-hosted (community), On-premises and Air-gapped (zero external egress), from one seat2
Model choice / BYOMModel hub, vendor-operated1Any 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 on-premises or data-residency requirement.
  • 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.
  • 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 2026-09-06.

Annual cost vs seatsreported prices · 2026-09-06
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 2026-09-06.

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 2026-09-06); 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 has no true on-premises deployment (checked 2026-09-06); it runs as a cloud service. 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 has an on-premises or air-gapped mode (checked 2026-09-06). 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 2026-09-06). At 100 seats that is $60,000–90,000 a year before negotiation.

Alex Tushynski

Co-Founder, Arc53

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See DocsGPT on your documents

A 30-minute demo on your use case, or a free on-premises review with an engineer.