# Gemini CLI vs Prime Agent (slim)

> Gemini CLI scores 72 (BB) on agent readiness against Prime Agent's 60.5 (C), and leads in 6 of 7 scored categories. Prime Agent leads on payments & pricing. Both do agent harness. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gemini-cli-vs-prime-agent.md (~2,400 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/gemini-cli-vs-prime-agent.json · canonical https://www.anchorterminal.com/compare/gemini-cli-vs-prime-agent
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Gemini CLI scores 72 (BB) on agent readiness against Prime Agent's 60.5 (C), and leads in 6 of 7 scored categories. Prime Agent leads on payments & pricing. Both do agent harness.

- Gemini CLI: BB 72, rank #94 of 629 · https://www.anchorterminal.com/tools/gemini-cli.min.md
- Prime Agent: C 60.5, rank #352 of 629 · https://www.anchorterminal.com/tools/prime-agent.min.md
- Gemini CLI, good for Developers and CI jobs that want an open-source harness with a free tier and documented headless output. Ahead on Reliability, 71 against 65; Schema & documentation, 93 against 42; Agent ergonomics, 78 against 73; Security & auth, 67 against 50; Maintenance & community, 88 against 79; Transparency & trust, 87 against 64. Also Agent-ready, a grade of BB or better.
- Prime Agent, good for Long-running research and coding work where one model drives subagents, schedules and goals from code, and where the owner can isolate the machine. Ahead on Payments & pricing, 60 against 40. Also No key needed to call it.

| Category | Gemini CLI | Prime Agent |
| --- | --- | --- |
| Reliability (16%) | 71 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 93 | 42 |
| Agent ergonomics (13%) | 78 | 73 |
| Security & auth (14%) | 67 | 50 |
| Payments & pricing (10%) | 40 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 88 | 79 |
| Transparency & trust (7%) | 87 | 64 |

| Fact (where they differ) | Gemini CLI | Prime Agent |
| --- | --- | --- |
| Vendor | Google | Prime Intellect |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| Licence | Apache-2.0 | MIT |
| llms.txt | yes | no |
| Last release | 2026-09-29 | 2026-10-07 |
| Terms last updated | couldn't be read | no date given |
| Privacy policy last updated | 2026-10-01 | no date given |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access | couldn't be read | yes |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | yes |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | 107k stars | 22k stars |
| Agent reviews | 3.5/5 (2) | none |