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Company

OpenAI

7 models

Releases

OpenAI/Text → Speech

Fish Audio's S2-Pro Brings Expressive TTS to Open Source

The new text-to-speech model can follow natural language instructions to control tone, clone voices from short clips, and speak multiple languages.

Mar 9, 2026
Text → Speech
Fish Audio S2-Pro
Fish Audio S2-Pro
OpenAI/Text → Speech

Hume AI Releases 3B Multilingual Text-to-Speech Model

The new model, Tada-3B-ML, is designed for fine-grained control over vocal expression across more than 10 languages.

Feb 16, 2026
Text → Speech
Tada-3B-ML
Tada-3B-ML
OpenAI/Text → Speech

Kani-TTS-2 Offers New Open-Source Voice Generation

An independent researcher has released a new English text-to-speech model under a permissive license, built on a modern generative foundation.

Feb 12, 2026
Text → Speech
Kani-TTS-2 (English)
Kani-TTS-2 (English)
OpenAI/Music

Soul-AILab Releases Zero-Shot Singing Voice Model

The new model, SoulX-Singer, can replicate a singing voice from a short audio sample and supports both English and Chinese under a permissive license.

Feb 6, 2026
MusicText → Speech
SoulX-Singer
SoulX-Singer
OpenAI/Text → Speech

Hume AI Releases TADA 1B for Expressive Speech

The new 1-billion-parameter model combines a Llama 3.2 base with text-to-speech to generate more natural and nuanced audio.

Jan 12, 2026
Text → Speech
TADA 1B
TADA 1B
OpenAI/Text → Speech

Nari Labs Releases Dia2-2B, an Open Voice Cloning Model

The 2-billion-parameter text-to-speech model can clone voices from a short audio sample and is available under an Apache 2.0 license.

Nov 15, 2025
Text → Speech
Dia2-2B
Dia2-2B
OpenAI/ReasoningMajor release

OpenAI Releases 21B Open-Weight MoE Model

The new `gpt-oss-20b` is an Apache 2.0-licensed Mixture-of-Experts model designed to run efficiently on consumer-grade hardware.

Aug 4, 2025
ReasoningText / LLM
gpt-oss-20b
gpt-oss-20b
OpenAI/ReasoningMajor release

OpenAI Releases Its First Open-Source MoE Model

The new 117-billion-parameter `gpt-oss-120b` is a Mixture-of-Experts model focused on reasoning, released under a permissive Apache 2.0 license.

Aug 4, 2025
ReasoningText / LLM
gpt-oss-20b
gpt-oss-20b