# CowAgent vs Gemini Spark (slim)

> CowAgent scores 58.5 (C) to Gemini Spark's 24.5 (F) for assistant proactive. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cowagent-vs-gemini-spark.md (~2,700 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/cowagent-vs-gemini-spark.json · canonical https://www.anchorterminal.com/compare/cowagent-vs-gemini-spark
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

CowAgent scores 58.5 (C) on agent readiness against Gemini Spark's 24.5 (F), and leads in 5 of 7 scored categories. Gemini Spark leads on security & auth. Both do assistant proactive.

- CowAgent: C 58.5, rank #591 of 986 · https://www.anchorterminal.com/tools/cowagent.min.md
- Gemini Spark: F 24.5, rank #974 of 986 · https://www.anchorterminal.com/tools/gemini-spark.min.md
- CowAgent, good for One technical owner who wants an assistant on WeChat, Feishu, DingTalk, Telegram, Slack or Discord with memory in local files and a choice of Chinese and Western model providers. Ahead on Reliability, 84 against 14; Schema & documentation, 67 against 17; Agent ergonomics, 59 against 9; Payments & pricing, 60 against 10; Maintenance & community, 83 against 17. Also Free to start without a card; Open source.
- Gemini Spark, good for A person who already keeps mail, calendar and files in a personal Google Account and accepts Keep Activity being on. Ahead on Security & auth, 60 against 43. Also No incidents deducted, where CowAgent loses 5 points for them.

| Category | CowAgent | Gemini Spark |
| --- | --- | --- |
| Reliability (16%) | 84 | 14 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 67 | 17 |
| Agent ergonomics (13%) | 59 | 9 |
| Security & auth (14%) | 43 | 60 |
| Payments & pricing (10%) | 60 | 10 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 17 |
| Transparency & trust (7%) | 45 | 49 |

| Fact (where they differ) | CowAgent | Gemini Spark |
| --- | --- | --- |
| Kind | Agent harness | Platform |
| Vendor | zhayujie | Google LLC |
| Transports | HTTP |  |
| Auth | OAuth or key | OAuth |
| Pricing | Free | Paid |
| Licence | MIT | Proprietary hosted service under the Google Terms of Service |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-09-30 | 2026-05-19 |
| Terms last updated | no document linked | 2026-07-30 |
| Privacy policy last updated | no document linked | 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 |
| Popularity | 47k stars | none |