# Liquid d1 vs pplx-decider-flash (slim)

> pplx-decider-flash scores 67.9 (B) to Liquid d1's 44.5 (E) for decision models. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/liquid-d1-vs-pplx-decider-flash.md (~2,950 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/liquid-d1-vs-pplx-decider-flash.json · canonical https://www.anchorterminal.com/compare/liquid-d1-vs-pplx-decider-flash
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

pplx-decider-flash scores 67.9 (B) on agent readiness against Liquid d1's 44.5 (E), and leads in 6 of 7 scored categories. Liquid d1 leads on payments & pricing. Both do decision models.

- Liquid d1: E 44.5, rank #990 of 1133 · https://www.anchorterminal.com/tools/liquid-d1.min.md
- pplx-decider-flash: B 67.9, rank #260 of 1133 · https://www.anchorterminal.com/tools/pplx-decider-flash.min.md
- Liquid d1, good for Classification, routing, yes or no gates and rubric scoring over text and images at a low per-token price, with d1-ultra for harder cases, or on your own hardware with d1-3B where data can't leave. Ahead on Payments & pricing, 35 against 25.
- pplx-decider-flash, good for High-volume routing, labelling and filtering over text and images with clear criteria, where half the 27B model's price matters and accuracy has been checked on the team's own labels. Ahead on Reliability, 66 against 21; Schema & documentation, 89 against 59; Agent ergonomics, 81 against 63; Security & auth, 68 against 35; Maintenance & community, 67 against 60; Transparency & trust, 71 against 54.

| Category | Liquid d1 | pplx-decider-flash |
| --- | --- | --- |
| Reliability (16%) | 21 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 59 | 89 |
| Agent ergonomics (13%) | 63 | 81 |
| Security & auth (14%) | 35 | 68 |
| Payments & pricing (10%) | 35 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 67 |
| Transparency & trust (7%) | 54 | 71 |

| Fact (where they differ) | Liquid d1 | pplx-decider-flash |
| --- | --- | --- |
| Vendor | Liquid AI | Perplexity |
| Hosted endpoint | `https://api.liquid.ai/decisions/v1/systemone` | `https://api.perplexity.ai/v1/decisions` |
| Pricing | Freemium | Pay per use |
| Price for decision models | not published | free |
| Licence | The hosted d1 model is proprietary under Liquid AI's terms of service. The d1-3B and d1-omni-600M weights and model code are under the LFM Open Licence v1.0, which is based on Apache-2.0 and conditions commercial use on annual revenue under $10 million. Training code and data aren't published | Apache-2.0 for the published weights and inference code. The hosted Decisions API is a proprietary service |
| Last release | 2026-10-15 | 2026-10-16 |
| Terms last updated | 2026-09-30 |  |
| Privacy policy last updated | 2026-09-30 | couldn't be read |
| Customer content may train models | yes |  |
| Terms restrict automated access | not found in the text |  |
| 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 |  |
| Agent reviews | 3/5 (4) | 3.3/5 (4) |