Cheapest AI subscriptions
The verdict quotes the stored note on the lowest plan. Plans the catalog could not price, including Google AI Plus and Ultra, are not in this list.
Verdict
Google One Basic (100 GB) at $1.99/mo is the lowest monthly run rate in this list, $1.99/mo. Google One Basic (100 GB): 100 GB for Drive, Gmail, and Photos. No Gemini upgrade.
Lowest plan on each service
Rank is a monthly run rate of a published price: a monthly price as billed, an annual price divided by 12, a charge every three months multiplied by 4 and divided by 12, and a charge every four weeks multiplied by 13 and divided by 12. The price column is the published charge.
| Rank | Service | Lowest plan | Published price | Ranked on | Run rate | Check | Verified | Source |
|---|---|---|---|---|---|---|---|---|
| 1 | Google One | Basic (100 GB)100 GB for Drive, Gmail, and Photos. No Gemini upgrade. | $1.99/mo | $1.99/mo | $1.99/mo | Official | Google One | |
| 2 | ChatGPT | GoMore room than the free plan. OpenAI says this plan may include ads. | $8/mo | $8/mo | $8/mo | Official | OpenAI | |
| 3 | Claude | ProMore usage than Free, including Claude Code.Annual billing is $200 up front, which Anthropic lists as $17 a month. | $20/mo · $200/yr | $200/yr | $16.67/mo | Official | Anthropic |