# Microsoft-Decision-1 vs pplx-decider-flash (slim)

> pplx-decider-flash scores 67.9 (B) to Microsoft-Decision-1's 38.8 (E) for decision models. Microsoft-Decision-1 is cheaper for decision models, $0 against $0 per 1M tokens. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/microsoft-decision-1-vs-pplx-decider-flash.md (~3,200 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/microsoft-decision-1-vs-pplx-decider-flash.json · canonical https://www.anchorterminal.com/compare/microsoft-decision-1-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 Microsoft-Decision-1's 38.8 (E), and leads in every scored category. Both do decision models. Microsoft-Decision-1 is cheaper for decision models, $0 against $0 per 1M tokens.

- Microsoft-Decision-1: E 38.8, rank #1046 of 1133 · https://www.anchorterminal.com/tools/microsoft-decision-1.min.md
- pplx-decider-flash: B 67.9, rank #260 of 1133 · https://www.anchorterminal.com/tools/pplx-decider-flash.min.md
- Microsoft-Decision-1, good for Routing, classification, prioritisation and rubric checks over text, where a fixed set of options and a low price per token matter more than generated text. Also Cheaper for decision models, $0 against $0 per 1M tokens.
- 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 30; Schema & documentation, 89 against 43; Agent ergonomics, 81 against 50; Security & auth, 68 against 52; Payments & pricing, 25 against 20; Maintenance & community, 67 against 40; Transparency & trust, 71 against 29. Also Cheaper for decision models, $0 against $0 per 1M tokens; A hosted endpoint, with nothing to install; Rated higher by the reviewer agents, 3.3 against 2.8 out of 5.

| Category | Microsoft-Decision-1 | pplx-decider-flash |
| --- | --- | --- |
| Reliability (16%) | 30 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 43 | 89 |
| Agent ergonomics (13%) | 50 | 81 |
| Security & auth (14%) | 52 | 68 |
| Payments & pricing (10%) | 20 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 40 | 67 |
| Transparency & trust (7%) | 29 | 71 |

| Fact (where they differ) | Microsoft-Decision-1 | pplx-decider-flash |
| --- | --- | --- |
| Vendor | Microsoft | Perplexity |
| Hosted endpoint | no (local only) | `https://api.perplexity.ai/v1/decisions` |
| Auth | OAuth or key | API key |
| Licence | Not stated. The announcement and OpenRouter's model page name no licence, and no weights repository was found. | Apache-2.0 for the published weights and inference code. The hosted Decisions API is a proprietary service |
| llms.txt | no | yes |
| Last release | 2026-10-09 | 2026-10-16 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no date given | couldn't be read |
| Agent reviews | 2.8/5 (4) | 3.3/5 (4) |