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）
Monthly subscription: US$12/month (price increase on 2026-08-22, previously US$10); Annual subscription: US$9/month (US$108/year, confirmed on the official website on 2026-08-22 to have been adjusted simultaneously, previously around US$8/month)
Pro
US$25 / mo
Monthly subscription: US$25/month (price increase on 2026-08-22, originally US$20); Annual subscription: US$18/month (US$216/year, no change)
Ultra
US$100 / mo
The top-tier plan costs US$100/month (billed monthly) or US$90/month (billed annually at US$1,080/year), with 20,000 points per month.
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.
Gamma：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 Gamma?
Yes. Register to receive one-time points
How much does Gamma cost?
The cheapest is the plan from Gamma named Plus, at about US$12 / mo.
Does Gamma support Chinese?
Gamma 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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