The free version is sufficient and permanently free, with limits on the number of sources or notebooks, and does not require subscription or credit card.
Free plan US$0, "Free forever". Included credits are "1,000 one-time", i.e. a single 1,000-credit grant (not monthly); the Weekly refresh column shows "–", meaning no weekly top-up (only paid plans get Pro +2,000/week and Max +4,000/week, reset every 7 days and not accumulated). 1 workspace, cannot invite teammates. Concurrent executions capped at 10; rate limits of 50 sync runs/min, 200 async runs/min and 30 API endpoint calls/min; execution timeouts of 5 minutes (sync) and 90 minutes (async); storage of 5GB of files, up to 5 tables, up to 50,000 rows per table, 30 days log retention. Not included on the free plan: Sim Mailer (Inbox), KB Live Sync, Sandboxes, Slack Connect, Access Control, SSO, SOC2 Compliance, Self Hosting, Dedicated Support. When credits run out, the official docs state "usage is capped at your plan's included credits and runs will stop" (runs stop by default; paid plans can enable on-demand overage at US$0.005/credit). 1 credit = US$0.005 (docs). The source conflict recorded on 2026-08-09 ("pricing page monthly vs docs one-time") is resolved: on 2026-09-16 both the pricing page and docs.sim.ai/platform/costs show 1,000 one-time / Pro 6,000 per month / Max 25,000 per month. Sim is an open-source project. (Read directly from sim.ai/pricing and docs via playwright on 2026-09-16)
Cheapest paid plan: US$25 / user / mo（5 user ≈ US$125/mo）
Includes NotebookLM with a higher quota (400GB storage space), the newly added lowest-tier paid plan; 2026-07-30 correction: The previous note incorrectly stated "2TB", which is actually the capacity of another same-named US$9.99 SKU on one.google.com/about/plans, and is different from the US$4.99/gemini.google version (400GB) in this column, see the notes below for an explanation of the coexistence of the two SKUs.
Google AI Pro
US$19.99 / mo
Includes NotebookLM with higher quota (5TB storage space); original price was US$20, now US$19.99 on the official website
Google AI Ultra 5x
US$99.99 / mo
Corrected to US$249.99 with a two-tier structure (check directly on the official website gemini.google/subscriptions); includes NotebookLM with the maximum limit (20TB storage space), which is 5 times the usage of Pro
Google AI Ultra 20x
US$199.99 / mo
It has been revised from a single US$249.99 to a two-tier structure (confirmed directly on the official website gemini.google/subscriptions); includes the highest Quota for Gemini Notebook; Ultra is divided into two plans: 20TB and 30TB, with US$199.99 corresponding to the 30TB plan (the official usage table lists Ultra 20TB Plan and Ultra 30TB Plan), which is 20 times the usage of Pro. This plan is not listed on the one.google.com/about/plans page.
Sim
Plan
Price
What you get
Pro
US$25 / user / mo（5 user ≈ US$125/mo）
US$25 per user/month: 6,000 credits/month + Weekly refresh of +2,000/week (reset every 7 days, not accumulated); annual billing averages US$21/month (site shows 15% off; docs state US$21.25/month = US$255/year); usage is capped at the plan's included credits by default, with optional on-demand overage at US$0.005/credit
Max
US$100 / user / mo（5 user ≈ US$500/mo）
US$100 per user/month: 25,000 credits/month + Weekly refresh of +4,000/week; annual billing averages US$85/month (15% off; docs state US$1,020/year); includes Sim Mailer (Inbox), KB Live Sync, Sandboxes and Slack Connect; does not include Access Control, SSO, SOC2, Self Hosting or Dedicated Support
Enterprise
Official quote (upon inquiry)
Pricing not published on the official site — contact sales
Which one should you pick?
Both offer a free plan. Compare paid tiers against your needs.
Gemini Notebook：US$4.99 / mo；Sim：US$25 / user / mo。Plans priced per person need to be multiplied by the number of people, and prices cannot be directly compared.
FAQ
Is there a free version of Gemini Notebook?
Yes. The free version is sufficient and permanently free, with limits on the number of sources or notebooks, and does not require subscription or credit card.
How much does Gemini Notebook cost?
The cheapest is the plan from Gemini Notebook named Google AI Plus, at about US$4.99 / mo.
Does Gemini Notebook support Chinese?
Gemini Notebook offers full Chinese interface support.
Is there a free version of Sim?
Yes. Free plan US$0, "Free forever". Included credits are "1,000 one-time", i.e. a single 1,000-credit grant (not monthly); the Weekly refresh column shows "–", meaning no weekly top-up (only paid plans get Pro +2,000/week and Max +4,000/week, reset every 7 days and not accumulated). 1 workspace, cannot invite teammates. Concurrent executions capped at 10; rate limits of 50 sync runs/min, 200 async runs/min and 30 API endpoint calls/min; execution timeouts of 5 minutes (sync) and 90 minutes (async); storage of 5GB of files, up to 5 tables, up to 50,000 rows per table, 30 days log retention. Not included on the free plan: Sim Mailer (Inbox), KB Live Sync, Sandboxes, Slack Connect, Access Control, SSO, SOC2 Compliance, Self Hosting, Dedicated Support. When credits run out, the official docs state "usage is capped at your plan's included credits and runs will stop" (runs stop by default; paid plans can enable on-demand overage at US$0.005/credit). 1 credit = US$0.005 (docs). The source conflict recorded on 2026-08-09 ("pricing page monthly vs docs one-time") is resolved: on 2026-09-16 both the pricing page and docs.sim.ai/platform/costs show 1,000 one-time / Pro 6,000 per month / Max 25,000 per month. Sim is an open-source project. (Read directly from sim.ai/pricing and docs via playwright on 2026-09-16)
How much does Sim cost?
The cheapest is the plan from Sim named Pro, at about US$25 / user / mo.
Does Sim support Chinese?
Sim only partially supports Chinese.
Affiliate Links Notice
📬 Ask More Daily
Price hikes & free-tier cuts — we'll warn you first
This site uses cookies for analytics and ads. You can keep only the cookies required for the site to work, or accept all.
Privacy Policy
