# pplx-decider vs ScaleDown (slim)

> pplx-decider scores 62.9 (B) to ScaleDown's 48.6 (D) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/pplx-decider-vs-scaledown.md (~2,650 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/pplx-decider-vs-scaledown.json · canonical https://www.anchorterminal.com/compare/pplx-decider-vs-scaledown
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

pplx-decider scores 62.9 (B) on agent readiness against ScaleDown's 48.6 (D), and leads in 4 of 7 scored categories. ScaleDown leads on payments & pricing. Both do decision models.

- pplx-decider: B 62.9, rank #445 of 1084 · https://www.anchorterminal.com/tools/pplx-decider.min.md
- ScaleDown: D 48.6, rank #873 of 1084 · https://www.anchorterminal.com/tools/scaledown.min.md
- pplx-decider, good for High-volume classification, routing and rubric scoring over text and images where a team wants a low hosted price and the option to run the same weights itself. Ahead on Reliability, 61 against 20; Schema & documentation, 90 against 69; Security & auth, 61 against 48; Maintenance & community, 62 against 56.
- ScaleDown, good for Cheap, high-volume labelling, routing and yes or no checks where a probability is more useful than prose, and for pulling described fields with offsets from text, images or PDFs. Ahead on Payments & pricing, 40 against 25. Also Free to start without a card.

| Category | pplx-decider | ScaleDown |
| --- | --- | --- |
| Reliability (16%) | 61 | 20 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 69 |
| Agent ergonomics (13%) | 76 | 76 |
| Security & auth (14%) | 61 | 48 |
| Payments & pricing (10%) | 25 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 62 | 56 |
| Transparency & trust (7%) | 52 | 54 |

| Fact (where they differ) | pplx-decider | ScaleDown |
| --- | --- | --- |
| Vendor | Perplexity | Carbon ScaleDown, Inc. |
| Hosted endpoint | `https://api.perplexity.ai/v1/decisions` | `https://api.scaledown.xyz` |
| Price for decision models | free | not published |
| Licence | Apache-2.0 for the published weights. The hosted Decisions API is a proprietary service | Proprietary hosted models under ScaleDown's Terms of Service. The langchain-scaledown integration is MIT |
| Last release | 2026-10-05 | 2026-10-14 |
| Popularity | none | 0 stars |