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Siesta AI vs ChatGPT Enterprise
ChatGPT Enterprise is a powerful chat assistant. Siesta AI is the universal AI work platform — connecting every tool, every model (including GPT), and every cloud your teams actually use.
Siesta AI
- Connects to 100+ enterprise apps out of the box (Microsoft 365, Google, Slack, Salesforce, Notion, Jira, etc.)
- Permissions-aware enterprise search across every system your teams use
- No-code agents and workflows with triggers, approvals and audit trail
- Model-agnostic: use GPT, Claude, Gemini, Mistral, Llama or your own private LLM
- Deploy in SaaS, EU-hosted, hybrid or fully private cloud
- Transparent per-seat pricing — connectors and agent builder included
ChatGPT Enterprise
- A capable chat assistant — but limited native connectors to enterprise systems
- Retrieval is per-GPT or per-workspace; no enterprise-wide permissions-aware search
- Agent capabilities (Assistants API, custom GPTs) require code and your own orchestration
- Locked to OpenAI models
- SaaS only on OpenAI / Microsoft Azure infrastructure
- Per-seat pricing plus API consumption for anything beyond chat
Why teams compare us
When teams pit Siesta AI against ChatGPT Enterprise
Connected knowledge
They want answers grounded in their real systems — not just whatever a user pastes into ChatGPT.
Production-ready agents
They want to ship sales, support and ops agents without building orchestration, retrieval and governance from scratch.
Sovereign deployment
They need EU hosting, data residency control and the option to run on their own cloud — not US-only SaaS.
Side-by-side
How Siesta AI compares to ChatGPT Enterprise
Five capability areas that decide which platform actually serves the whole company.
Find anything, across every system
Siesta indexes your full stack with permissions-aware retrieval. ChatGPT Enterprise has no native enterprise search across your apps.
Siesta AI
ChatGPT Enterprise
Cross-app search
Native connectors for 100+ tools — Microsoft 365, Google, Slack, Notion, Confluence, Jira, Salesforce, HubSpot, GitHub, Zendesk, Box, Dropbox.
Limited connectors via beta integrations and custom GPTs. Most knowledge must be uploaded manually or stitched together via the API.
Permissions-aware
Mirrors source-system ACLs in real time; users only see what they are entitled to.
Workspace-level sharing only; no source-system permission enforcement on connected data.
Citations & freshness
Hybrid retrieval with re-ranking, real-time crawling and per-answer source citations.
Cites uploaded files and browsing results. No live indexing of internal systems.
An assistant grounded in your company knowledge
Siesta gives every team an assistant that reasons over your real data — with the model you choose, including OpenAI's.
Siesta AI
ChatGPT Enterprise
Model choice
GPT-4/5, Claude, Gemini, Mistral, Llama or your own private LLM — switch per workflow.
OpenAI models only.
Grounded answers
Every answer is cited with source documents and respects the asking user's permissions.
Answers grounded in uploaded files or browsing; no live access to internal systems with ACLs.
Multi-channel
Web, browser extension, Slack, Teams, mobile and embedded SDK.
Web app, desktop and mobile chat. No native Slack / Teams / browser-extension presence.
Build agents that actually do the work
Ship purpose-built agents in minutes — no separate platform, no custom orchestration code.
Siesta AI
ChatGPT Enterprise
Agent builder
Visual, no-code builder for prompts, tools, knowledge and approvals — included in every plan.
Custom GPTs and the Assistants API require code, hosting and your own orchestration.
Triggers & actions
Schedule, webhook, email and event triggers; actions across 100+ connected apps.
Triggers and scheduled runs are not native. Actions require building your own integrations.
Templates
20+ pre-built agents for sales follow-ups, deadline reminders, RFPs, onboarding, IT triage.
GPT Store hosts community GPTs but no enterprise-grade agent templates with workflows.
Automate end-to-end work
Move beyond chat: orchestrate multi-step work across the apps your teams already use.
Siesta AI
ChatGPT Enterprise
Multi-step automation
Visual workflows chaining retrieval, generation, approvals, and actions across any connected tool.
Not natively available. Requires custom code via the API or external automation tooling.
Human-in-the-loop
Built-in approval steps, audit trail and rollback for sensitive actions.
Must be implemented by your engineering team.
Recordings & analytics
Every run is logged with inputs, outputs, latency and cost — exportable to your BI stack.
Workspace-level usage analytics. No per-run agent telemetry out of the box.
Sovereign by design
Choose how and where Siesta runs — and prove it to your compliance team.
Siesta AI
ChatGPT Enterprise
Deployment options
SaaS, EU-hosted, hybrid or fully private cloud (AWS, Azure, GCP, on-prem).
SaaS on OpenAI / Azure infrastructure. No on-prem or customer-cloud option for the ChatGPT product.
Data residency
Pin all data and inference to EU regions; no training on customer data, ever.
Limited residency options; some EU data zones available but not customer-controlled end-to-end.
Compliance
ISO 27001, SOC 2 Type II, GDPR — full DPA with sub-processor list.
SOC 2 Type II; enterprise DPA available.
Learn more about Siesta AI
FAQ
30-minute walkthrough on your real systems — bring GPT with you.