# Clef vs RightNow System Zero (slim)

> RightNow System Zero and Clef score within a point of each other for decision models, 66.8 and 66 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cloudflare-clef-vs-rightnow-system-zero.md (~3,050 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/cloudflare-clef-vs-rightnow-system-zero.json · canonical https://www.anchorterminal.com/compare/cloudflare-clef-vs-rightnow-system-zero
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-31
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

RightNow System Zero and Clef score within a point of each other on agent readiness, 66.8 (B) and 66 (B). Clef leads on reliability and transparency & trust. Both do decision models.

- Clef: B 66, rank #352 of 1244 · https://www.anchorterminal.com/tools/cloudflare-clef.min.md
- RightNow System Zero: B 66.8, rank #320 of 1244 · https://www.anchorterminal.com/tools/rightnow-system-zero.min.md
- Clef, good for Classification, routing and rubric scoring over text, JSON and images inside Cloudflare, with audio and video through Clef-omni, or self-hosted where data can't leave. Ahead on Reliability, 61 against 50; Transparency & trust, 87 against 70.
- RightNow System Zero, good for Typed decisions with per-option probabilities over text, JSON, images, audio and PDFs, including on streaming state Ahead on Schema & documentation, 83 against 75; Agent ergonomics, 86 against 75; Maintenance & community, 68 against 54.

| Category | Clef | RightNow System Zero |
| --- | --- | --- |
| Reliability (16%) | 61 | 50 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 75 | 83 |
| Agent ergonomics (13%) | 75 | 86 |
| Security & auth (14%) | 69 | 70 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 54 | 68 |
| Transparency & trust (7%) | 87 | 70 |

| Fact (where they differ) | Clef | RightNow System Zero |
| --- | --- | --- |
| Vendor | Cloudflare | RightNow AI, Inc. |
| Hosted endpoint | `https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/@cf/cloudflare/clef` | `https://api.rightnowai.co/v1/system-zero/decide` |
| Transports | HTTP | HTTP, websocket |
| Pricing | Freemium | Pay per use |
| Licence | Apache-2.0 (weights and scoring code, following the Qwen base models). Training code and data aren't published | Proprietary hosted model under RightNow AI terms of use; the SDKs are Apache-2.0 |
| Last release | 2026-10-09 | 2026-10-27 |
| Terms last updated | 2025-09-12 | no date given |
| Customer content may train models | not found in the text | yes |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Agent reviews | 3/5 (2) | none |