The free version has limited AI functionality (trial quota for Q&A), and full AI functionality (Notion Agent, AI meeting recording, etc.) has been integrated into the paid plan. The free version also includes up to 10 external guests and 7-day page history.
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）
The monthly subscription price is US$12/seat; the annual subscription price is US$120/seat/year (US$10/month on average). The official website's pricing card defaults to annual subscription (billingInterval defaults to checked=year), previously the annual single price was filled in the billing:monthly field, which has been corrected.
Business
US$24 / mo
Monthly subscription: US$24/seat; Annual subscription: US$240/seat/year (US$20/month on average). As above, correcting the previous error in the annual subscription unit price.
Enterprise
Official quote (upon inquiry)
Pricing not publicly available on the official website, please contact sales for more information
Student Plan (Plus)
Official quote (upon inquiry)
Verification with a school email address can get a free Plus plan (limited to 1 seat), and the official website does not specify an expiration date
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.
Notion AI：US$12 / 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 Notion AI?
Yes. The free version has limited AI functionality (trial quota for Q&A), and full AI functionality (Notion Agent, AI meeting recording, etc.) has been integrated into the paid plan. The free version also includes up to 10 external guests and 7-day page history.
How much does Notion AI cost?
The cheapest is the plan from Notion AI named Plus, at about US$12 / mo.
Does Notion AI support Chinese?
Notion AI 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.
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