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AI Model Release Tracker US & Canada · updated
  • 3Releases tracked
  • Oct 16Latest · pplx-decider-v1.2 and pplx-decider-flash-v1.2
  • 100%Open-weight
  • USSan Francisco, United States

Perplexity is a San Francisco, United States-based AI company that runs an answer engine which researches the open web in real time and returns concise, cited answers. Its API platform offers Orchestrator, Agent, Search, Embeddings and Decisions APIs for developers. In October 2026 it published several open-weight models on Hugging Face: pplx-embed-v2-late, MIT-licensed late-interaction retrieval models in 0.6B and 9B sizes that embed text, images and pages in one shared space, and the pplx-decider multimodal decision models, including pplx-decider-v1.1-27b and the Apache 2.0 licensed v1.2 and v1.2 Flash releases built on Qwen backbones. All of its tracked model releases are open-weight.

Perplexity

United States US & Canada perplexity.ai

3 releases latest Oct 16, 2026

  1. pplx-decider-v1.2 and pplx-decider-flash-v1.2

    Open-weight multimodal decision models: 27B (Qwen3.8-27B, Decision Index 68.09) and 4B Flash (Qwen3.5-4B); $0.02 and $0.01/M input tokens. Apache 2.0.

    • Other
    • Open weights
    • API
    • 262K ctx
    Source

  2. pplx-embed-v2-late (0.6B and 9B)

    MIT-licensed late-interaction multimodal retrieval models for text, images and pages, sharing one embedding space across sizes.

    • Embedding
    • Open weights
    Source

  3. pplx-decider-v1.1-27b

    Open-weight multimodal decision model (Qwen3.8-27B backbone); Decision Index 61.56, ahead of Jev; $0.02/M input tokens.

    • Other
    • Open weights
    • API
    Source

Perplexity FAQ

What is Perplexity's latest AI model?
Perplexity's most recent release in the Startrise tracker is pplx-decider-v1.2 and pplx-decider-flash-v1.2, released Oct 16, 2026.
How many AI models has Perplexity released?
Startrise tracks 3 notable Perplexity releases since January 2025, from pplx-decider-v1.1-27b (Oct 6, 2026) to pplx-decider-v1.2 and pplx-decider-flash-v1.2.
Does Perplexity release open-weight models?
Yes. 3 of 3 tracked Perplexity releases (100%) ship with downloadable weights; the most recent is pplx-decider-v1.2 and pplx-decider-flash-v1.2.
Where is Perplexity based?
Perplexity is based in San Francisco, United States.