# pplx-decider vs SPEV (slim)

> pplx-decider scores 62.9 (B) to SPEV's 51.1 (D) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/pplx-decider-vs-sprag-spev.md (~2,600 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/pplx-decider-vs-sprag-spev.json · canonical https://www.anchorterminal.com/compare/pplx-decider-vs-sprag-spev
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-15
- 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 SPEV's 51.1 (D), and leads in 4 of 7 scored categories. SPEV leads on payments & pricing. Both do decision models.

- pplx-decider: B 62.9, rank #448 of 1094 · https://www.anchorterminal.com/tools/pplx-decider.min.md
- SPEV: D 51.1, rank #819 of 1094 · https://www.anchorterminal.com/tools/sprag-spev.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 45; Schema & documentation, 90 against 81; Security & auth, 61 against 33; Maintenance & community, 62 against 49.
- SPEV, good for Typed decisions over raw audio, such as end-of-turn detection, call triage and flagging, plus text and single images, hosted or self-hosted. Ahead on Payments & pricing, 30 against 25.

| Category | pplx-decider | SPEV |
| --- | --- | --- |
| Reliability (16%) | 61 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 90 | 81 |
| Agent ergonomics (13%) | 76 | 76 |
| Security & auth (14%) | 61 | 33 |
| Payments & pricing (10%) | 25 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 62 | 49 |
| Transparency & trust (7%) | 52 | 54 |

| Fact (where they differ) | pplx-decider | SPEV |
| --- | --- | --- |
| Vendor | Perplexity | Sprag |
| Hosted endpoint | `https://api.perplexity.ai/v1/decisions` | `https://api.sprag.ai/v1/decisions` |
| Price for decision models | free | not published |
| Licence | Apache-2.0 for the published weights. The hosted Decisions API is a proprietary service | Apache-2.0 (weights and inference code, following the Qwen3-Omni base). Training code and data aren't published |
| Last release | 2026-10-05 | 2026-10-14 |
| Terms last updated | couldn't be read | 2026-09-01 |
| Privacy policy last updated | couldn't be read | 2026-08-01 |
| Customer content may train models | couldn't be read | yes, with an opt-out |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |