# Gemini Spark vs Tab

> Gemini Spark scores 24.5 (F) to Tab's 10.7 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot
- Markdown: https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot.md (~3,400 tokens)
- Slim: https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot.min.md (~580 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-13

Gemini Spark scores 24.5 (F) on agent readiness against Tab's 10.7 (F), and leads in 6 of 7 scored categories. Tab leads on maintenance & community. Both do assistants that remember you.

- Gemini Spark: grade F, 24.5/100, rank #982 of 1010. Markdown https://www.anchorterminal.com/tools/gemini-spark.md · JSON https://www.anchorterminal.com/api/v1/tools/gemini-spark.json
- Tab: grade F, 10.7/100, rank #1003 of 1010. Markdown https://www.anchorterminal.com/tools/tab-bot.md · JSON https://www.anchorterminal.com/api/v1/tools/tab-bot.json
- Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md
- All 834 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md

## Which one, for what

### Gemini Spark (F)

Good for: A person who already keeps mail, calendar and files in a personal Google Account and accepts Keep Activity being on.

Ahead on:
- Reliability, 14 against 5
- Schema & documentation, 17 against 0
- Agent ergonomics, 9 against 0
- Security & auth, 60 against 4
- Payments & pricing, 10 against 0

Watch for: No public API, SDK or MCP server for an outside agent was found. Spark is reached in the Gemini mobile app, the Mac app and gemini.google.com

### Tab (F)

Good for: A person who wants a texting assistant that browses, calls and buys with tight checkout controls.

Ahead on:
- Maintenance & community, 58 against 17

Watch for: Private beta behind a waitlist.


## Score by category

| Category | Weight | Gemini Spark | Tab | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 14 | 5 | Gemini Spark +9 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 17 | 0 | Gemini Spark +17 |
| Agent ergonomics | 13% (16.2 this run) | 9 | 0 | Gemini Spark +9 |
| Security & auth | 14% (17.5 this run) | 60 | 4 | Gemini Spark +56 |
| Payments & pricing | 10% (12.5 this run) | 10 | 0 | Gemini Spark +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 17 | 58 | Tab +41 |
| Transparency & trust | 7% (8.8 this run) | 49 | 45 | Gemini Spark +4 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **24.5 · F** | **10.7 · F** | |

## Facts side by side

| Fact | Gemini Spark | Tab |
| --- | --- | --- |
| Kind | Platform | Platform |
| Vendor | Google LLC | Terrasoft, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth | OAuth or key |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | Proprietary hosted service under the Google Terms of Service | Closed service under Tab's Terms of Use (Terrasoft, Inc., effective 2 September 2026). |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | 2026-05-19 | none |
| Terms last updated | 2026-07-30 |  |
| Privacy policy last updated | 2026-09-24 |  |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |

## Verdicts

**Gemini Spark.** Google's help pages state what Spark confirms before doing, how to delete its remote browser and code data, and the risks of prompt injection. Spark has no public API, Google calls it experimental, and it runs only with Keep Activity on, the setting under which chats are used for model training and human review.

**Tab.** Tab is a private-beta texting assistant with a detailed security page on credential isolation and checkout binding, and a public updates page. No outside agent can call it, no price is published, and its privacy policy says nothing on training with user content.

## Before you call either

### Gemini Spark

1. Do not plan an integration against Spark. No public API or MCP server was found, and a person must hold a Google AI Pro or Ultra subscription
2. Expect a confirmation request before sends, edits, purchases and web form submissions, and note that bulk changes to private Google Tasks run without one
3. Delete remote browser data and remote code execution data in Gemini Spark Settings after a sensitive session. Deleting a task thread or Gemini Apps activity does not remove them
4. Keep within 15 running tasks and 50 active schedules. A schedule does not run when 15 tasks are running or the usage limit is reached
5. Treat every safety statement here as Google's own description. None was tested, and no message was sent to the service

### Tab

1. Don't plan to call Tab from another agent. It answers only the owner's Messages or WhatsApp thread.
2. Tell the owner that access needs a waitlist place and no price is published.

## Questions

### Which is better for AI agents, Gemini Spark or Tab?

Gemini Spark scores 24.5 (F) on agent readiness against Tab's 10.7 (F), and leads in 6 of 7 scored categories. Tab leads on maintenance & community.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot.json, and with the fewest tokens: https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "gemini-spark", "b": "tab-bot"}`. From a terminal: `anchor compare gemini-spark tab-bot`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/gemini-spark.json and https://www.anchorterminal.com/api/v1/tools/tab-bot.json

## Other comparisons with Gemini Spark or Tab

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- [Orchid vs Tab](https://www.anchorterminal.com/compare/orchid-ai-vs-tab-bot.md)
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- [Tab vs Wajo (Fo)](https://www.anchorterminal.com/compare/tab-bot-vs-wajo.md)

## Disclosure

- Tab competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.