Perplexity open-sources pplx-decider-v1.1-27b, tops HF Decision Index at half the cost

bo_wangbo · x · 2026-10-07

Perplexity has released and open-sourced pplx-decider-v1.1-27b, its updated open-weights multimodal decision model, also available via API. It scores highest on the new Hugging Face Decision Index 0.3 private benchmark. Inference was optimized to cut cost by 2x versus v1: $0.02 per million input tokens, or just $20 for 1B tokens.

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