The Open Weights
LatestModelsLeaderboardsUpcomingCompanies
Subscribe
The Open Weights

The daily record of open-source AI. New model releases, leaderboards, and what's coming next — written for people who ship.

Refreshed every 12 hours

Discover

  • Latest releases
  • New today
  • Trending models
  • Upcoming launches

Browse

  • All models
  • Companies
  • Categories
  • Leaderboards

About

  • About
  • Editorial policy
  • RSS feed
  • Newsletter

© 2026 The Open Weights. An independent publication.

Aggregated by Claude · written with Gemini · curated by humans.

Company

Boson AI

2 models

Releases

Boson AI/Text → Speech

Boson AI's Higgs Audio v3 Offers Expressive, Multilingual TTS

The new 4-billion-parameter text-to-speech model is available for non-commercial use, promising fine-grained control over vocal delivery.

Jun 4, 2026
Text → Speech
Higgs Audio v3 TTS 4B
Higgs Audio v3 TTS 4B
Boson AI/Text → Speech

Boson AI Releases Higgs Audio v2 for Expressive TTS

The new 3-billion-parameter model focuses on generating expressive, multilingual speech and is fully open for commercial use under an Apache 2.0 license.

Jul 1, 2025
Text → Speech
Higgs Audio v2 (3B)
Higgs Audio v2 (3B)