# SPEV vs Strands Decider 2B (slim)

> Strands Decider 2B scores 61.3 (C) 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/sprag-spev-vs-strands-decider.md (~2,750 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/sprag-spev-vs-strands-decider.json · canonical https://www.anchorterminal.com/compare/sprag-spev-vs-strands-decider
- 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

Strands Decider 2B scores 61.3 (C) on agent readiness against SPEV's 51.1 (D), and leads in 4 of 7 scored categories. SPEV leads on schema & documentation and agent ergonomics. Both do decision models.

- SPEV: D 51.1, rank #819 of 1094 · https://www.anchorterminal.com/tools/sprag-spev.min.md
- Strands Decider 2B: C 61.3, rank #505 of 1094 · https://www.anchorterminal.com/tools/strands-decider.min.md
- 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 Schema & documentation, 81 against 76; Agent ergonomics, 76 against 69. Also A hosted endpoint, with nothing to install.
- Strands Decider 2B, good for Cheap, local classification, routing, triage and tool-call checks on short text inside Strands or other Python agents, and for teams who want to retrain a decision model from a published recipe. Ahead on Reliability, 50 against 45; Security & auth, 49 against 33; Payments & pricing, 60 against 30; Maintenance & community, 79 against 49. Also No key needed to call it; Open source.

| Category | SPEV | Strands Decider 2B |
| --- | --- | --- |
| Reliability (16%) | 45 | 50 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 81 | 76 |
| Agent ergonomics (13%) | 76 | 69 |
| Security & auth (14%) | 33 | 49 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 49 | 79 |
| Transparency & trust (7%) | 54 | 54 |

| Fact (where they differ) | SPEV | Strands Decider 2B |
| --- | --- | --- |
| Vendor | Sprag | Amazon Web Services (Strands Agents) |
| Hosted endpoint | `https://api.sprag.ai/v1/decisions` | no (local only) |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | Apache-2.0 (weights and inference code, following the Qwen3-Omni base). Training code and data aren't published | Apache-2.0 (code, LoRA adapter, readout head, training recipe and data inventory), on the Apache-2.0 Qwen3.5-2B-Base |
| llms.txt | yes | no |
| Last release | 2026-10-14 | 2026-10-05 |
| Terms last updated | 2026-09-01 | no document linked |
| Privacy policy last updated | 2026-08-01 | no document linked |
| Customer content may train models | yes, with an opt-out |  |
| 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 | none | 2/5 (1) |