Decision Models s1-pro (GLOBAL)
Try Decision Models s1-pro (GLOBAL) on us. Starter credit covers your first requests, then one key reaches this route and every other model in the catalog.
decisionmodelsio/s1-pro
| Publisher | decisionmodelsio |
|---|---|
| AI IQ | No AI IQ profile matched yet. |
| Context | 8,192 tokens |
| Providers | |
| Credits routes | 1 provider route |
| Modes | decide |
| Billing | Credits |
How to use Decision Models s1-pro (GLOBAL)
Larger open typed-decision profile for text decisions; noul/choice/score answers with probabilities. An alias for the current Pro version: since 12 October 2026 s1-pro-3, based on vLLM-SR d3 26B (Apache-2.0), served in FP8 (see model_version in every response and the S1-Model-Version header). Pin s1-pro-3, or s1-pro-2 (the previous version, Perplexity Decider v1.1, available until at least 11 November 2026), to stay on one version. Text only; up to 3 questions per request, at most 8,192 input tokens per question including the state.
| Input | POST /v1/decide: state (at most 16 KiB serialized JSON) and exactly one boolean/noul, choice or score question. The model's input-token limit also applies. No streaming. |
|---|---|
| Output | Verified answers and probabilities, with inputTokens usage. Input-only billing; output tokens are free. The EU route cannot fall back to Global. |
Example input
{"model":"decisionmodelsio/s1-pro","state":"Mia owns a red bicycle.","questions":{"color":{"type":"choice","instructions":"Which color is the bicycle?","criteria":{"red":null,"blue":null}}}}Example output
{"model":"decisionmodelsio/s1-pro","answers":{"color":{"type":"choice","choice":"red","probabilities":{"red":0.99,"blue":0.01}}}}Current route evidence
Live leaderboardRecent provider-route uptime spans not enough data across 1 route and 1 provider. Price comes from the current Credits catalog. Speed and uptime come from routed probes rather than vendor claims.
Providers serving this model
Sorted by lowest combined prompt and completion price. Use
"provider": {"sort": "throughput"} in the request body
(or append :nitro to the model id) to route to the
fastest provider instead.
Trust boundary: TR router attestation verifies the TrustedRouter gateway only. Provider policy separately describes the upstream model host's retention, confidential compute, and E2EE posture.
| Provider | Input | Cached input | Output | Weight format | TR router attested | Provider policy |
|---|---|---|---|---|---|---|
| Decision Models (Global)decisionmodelsio | $0.04009/1M | Not published | selected route | Unknown | yes | privacy unknown |
Endpoint JSON: https://api.trustedrouter.com/v1/models/decisionmodelsio/s1-pro/endpoints
Compare Decision Models s1-pro (GLOBAL)
All comparisons- Decision Models s1-pro (GLOBAL) vs DeepSeek: DeepSeek V4.1 Flash25 combined provider routes
Questions
What model ID should I use for Decision Models s1-pro (GLOBAL)?
Use decisionmodelsio/s1-pro as the model field with the TrustedRouter OpenAI-compatible API. Credits routing and provider fallback happen behind that model ID.
Which providers serve Decision Models s1-pro (GLOBAL)?
TrustedRouter currently lists Decision Models (Global) for Decision Models s1-pro (GLOBAL). Provider availability and routing eligibility can change as catalog and health data update.
How much does Decision Models s1-pro (GLOBAL) cost through TrustedRouter?
The current lowest Credits input price is $0.04009/1M and the lowest Credits output price is selected route. Prices are per one million tokens and come from the current route catalog.
How do I require zero data retention for Decision Models s1-pro (GLOBAL)?
Set provider.min_privacy to zdr on the request. TrustedRouter considers only routes with a recorded zero-data-retention posture and fails closed if no eligible route remains.