Perplexity pplx-decider
Perplexity's open decision model: typed yes/no, choice and score answers with probabilities, by API or open weights
pplx-decider is Perplexity's decision model. Given a state (text, JSON or images) and named questions, it returns a probability for each answer instead of generated text: yes/no, one of up to 255 options, or a level on a rubric. A request can carry up to 262K input tokens.
The Decisions API serves pplx-decider-v1.2 (27B) at $0.02 per 1M input tokens and pplx-decider-flash-v1.2 (4B) at $0.01, output free; requests for v1.1 or v1 are served as v1.2 (October 2026). Both are on Hugging Face under Apache-2.0.
Pricing: Free (open weights); usage-based on Perplexity API
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One click, anonymous. Helps us know our visitors.
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Perplexity pplx-decider prices by model
Per 1M tokens, read off Perplexity pplx-decider's own pricing page on the date shown.
| Model | Input / 1M | Cached / 1M | Output / 1M | Checked | Notes |
|---|---|---|---|---|---|
| pplx-decider flash v1.2 | $0.01 | โ | $0.00 | 25 Oct 2026 | Output tokens are free. |
| pplx-decider v1.2 27B | $0.02 | โ | $0.00 | 25 Oct 2026 | Output tokens are free. Requests naming v1.1 or v1 are billed as v1.2. |
Perplexity pplx-decider Alternatives
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