pplx-decider-flash-v1.2
by Perplexity · 4B parameters
Today's price · per 1M tokens
Input
$0.010
per 1M tokens
Output
$0
per 1M tokens
Blended
$0.007
blended $/1M — 3:1 weighted input:output
How this price is scoped: Perplexity's own pricing page lists pplx-decider-flash-v1.2 at $0.01 per 1M input tokens, output tokens Free, per-request fee None, which is half the $0.02 of pplx-decider-v1.2. You pay for input only: the content you send, every question and any images all count as input, so a request with 600 input tokens costs $0.000006. The $0 output here is Perplexity's published rate, not a missing number.
Price receipt
We read Perplexity's own pricing page on and found pplx-decider-flash-v1.2 listed with a price on the same row — that read is where the number above comes from, recorded as a new model. We keep the page text we read; its content hash is 7f5304e1f0.
Overview
Perplexity's small decision model, a 4B sibling of pplx-decider-v1.2 that takes the same requests on the same Decisions API. It reads text, JSON or images plus your questions and returns a probability for each answer, not generated text. It is built on Qwen3.5-4B and distilled from Perplexity's 27B decision models, and it trades some accuracy for lower cost and latency. $0.01 per 1M input tokens; output is free and there is no per-request fee.
Deploy this open model on rented GPUs
Open weights mean you can self-host instead of paying per-token API prices. These platforms let you serve it on demand — often cheaper at scale.
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Capabilities
struck through = not supportedSpecifications
- Provider
- Perplexity
- Context window
- 262K tokens
- Modality
- text, image
- Parameters
- 4B
- Open source
- Yes — open weights available
- Released
- Status
- Current
- Last updated
- Tags
Availability verified: — listed on Perplexity's own page