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February 5, 2026

We’ve released an updated Nova-3 multilingual model, delivering accuracy improvements across supported languages, with the largest gains in code-switching scenarios.

This update focuses on improving real-world multilingual speech recognition, especially for inputs that mix languages within a single utterance or conversation.

Key improvements include:

  • Lower Word Error Rate (WER) across both batch and streaming inference for all languages supported by the multilingual model
  • Significantly improved code-switching handling, reducing word drops when languages are mixed

These improvements help developers build more reliable, natural multilingual voice experiences without changing APIs or configuration.

Learn more about Nova-3 Multilingual on the Models and Language Overview page.

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