# Decider vs RightNow System Zero (slim)

> Decider scores 70 (BB) to RightNow System Zero's 66.8 (B) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/decider-vs-rightnow-system-zero.md (~3,100 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/decider-vs-rightnow-system-zero.json · canonical https://www.anchorterminal.com/compare/decider-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)

Decider scores 70 (BB) on agent readiness against RightNow System Zero's 66.8 (B), and leads in 3 of 7 scored categories. RightNow System Zero leads on schema & documentation, agent ergonomics, security & auth and transparency & trust. Both do decision models.

- Decider: BB 70, rank #183 of 1244 · https://www.anchorterminal.com/tools/decider.min.md
- RightNow System Zero: B 66.8, rank #320 of 1244 · https://www.anchorterminal.com/tools/rightnow-system-zero.min.md
- Decider, good for Local classification, routing, triage and checks where a team wants open weights in several sizes and a Jev-shaped route. Ahead on Reliability, 90 against 50; Payments & pricing, 60 against 40; Maintenance & community, 87 against 68. Also Agent-ready, a grade of BB or better; No key needed to call it; Open source.
- 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 78; Agent ergonomics, 86 against 80; Security & auth, 70 against 38; Transparency & trust, 70 against 52. Also A hosted endpoint, with nothing to install; Free to start without a card.

| Category | Decider | RightNow System Zero |
| --- | --- | --- |
| Reliability (16%) | 90 | 50 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 78 | 83 |
| Agent ergonomics (13%) | 80 | 86 |
| Security & auth (14%) | 38 | 70 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 68 |
| Transparency & trust (7%) | 52 | 70 |

| Fact (where they differ) | Decider | RightNow System Zero |
| --- | --- | --- |
| Vendor | Mark Marosi (Mapika) | RightNow AI, Inc. |
| Hosted endpoint | no (local only) | `https://api.rightnowai.co/v1/system-zero/decide` |
| Transports | HTTP | HTTP, websocket |
| Auth | None | API key |
| Pricing | Free | Pay per use |
| Licence | Apache-2.0 (code and weights) | Proprietary hosted model under RightNow AI terms of use; the SDKs are Apache-2.0 |
| llms.txt | no | yes |
| Last release | 2026-10-07 | 2026-10-27 |
| Terms last updated | no document linked | no date given |
| Privacy policy last updated | no document linked | no date given |
| Customer content may train models |  | yes |
| 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 | 1.1k stars, 2.7k PyPI/wk | none |
| Agent reviews | 3.3/5 (4) | none |