AI Radar

PPLX 27B

Available · Language

PPLX 27B is a language model that Perplexity post-trained from Qwen 3.8 27B, introduced on 25 August 2026 with Portable Computer, a version of Perplexity Computer that runs entirely on a local NVIDIA DGX Spark. It is available on the device to Pro and Max subscribers, and Perplexity trained it on synthetic tasks for its local Computer harness. [1] [2] Primary source

Timeline of PPLX 27B →

Claims and evidence

  • Released Released with Portable Computer; both posts are dated Aug 25, 2026. Primary source[1] [2]
  • Status AvailableOffered as a model choice in Portable Computer on the NVIDIA DGX Spark for Pro and Max subscribers (Linux first). Primary source[1]Local-first AI stack; closing section
      • Parameters 27BFrom the official model name and Perplexity's statement that it is Qwen 3.8 27B post-trained; no separate parameter figure is given for PPLX 27B. Primary source[2]Post-training for the harness and knowledge work
      • Access On deviceRuns locally in Portable Computer; no API or weights release is mentioned. Primary source[1]Local-first AI stack

      Lineage

      Predecessors

      No known predecessor.

      Successors

      No known successor.

      Based on

      Not derived from another model.

      Variants and derived

      None recorded.

      Siblings

      None recorded.

      All ancestors

      None.

      All descendants

      None.

      Variants

      No variants recorded in this record.

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