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Klang Pianissimo

Open Swedish ASR model from Klang AI - ~64x faster than KB-Whisper large at slightly lower accuracy

Excellent Swedish Support

Features

Real-time Transcription Yes
Speaker Identification No
AI Summaries No
Action Items No

Core Features

  • 0.6B-param FastConformer-TDT fine-tune of NVIDIA Parakeet v3
  • Released 2026-09-23 under CC BY 4.0
  • API via Berget AI (Sweden)
  • pianissimo-chrome and pianissimo-cli on GitHub; community ONNX/MLX/CoreML ports
  • Klang states Danish and Norwegian models are planned

Languages

Swedish

Pricing

🎁
Free Tier Available

Open weights, CC BY 4.0

Pricing model: Free

Integrations

Berget AI Hugging Face ONNX MLX CoreML

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