Sesame CSM alternatives in 2026: 24 tools like Sesame CSM

Closest: Speech & Audio Models

Bark

Suno's early open text-to-audio model, no longer actively updated

Curated

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Chatterbox

Resemble AI's MIT-licensed TTS with emotion control and cloning

Curated

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CosyVoice

Alibaba's multilingual streaming TTS with zero-shot voice cloning

Curated

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Dia

Nari Labs' open dialogue TTS with nonverbal cues like laughter

Curated

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Fish Speech

Fish Audio's multilingual TTS and voice cloning model

Curated

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hertz-dev

Open base model for full-duplex conversational speech

Curated

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Hibiki

Real-time speech-to-speech translation that keeps the speaker's voice

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IndexTTS

Bilibili's zero-shot TTS with emotion and duration control

Curated

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Kokoro

Lightweight 82M Apache 2.0 TTS model with high quality output

Curated

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LFM2.5-Audio

1.5B end-to-end speech and text model for real-time voice

Curated

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Moshi

Kyutai's open full-duplex speech model for real-time voice dialogue

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MusicGen

Meta's controllable text-to-music generation model

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Pocket TTS

100M-parameter text-to-speech that runs in real time on a CPU

Curated

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XTTS

Coqui's multilingual voice cloning TTS, community-maintained fork

Curated

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More in Foundation Models

ChatGPT

OpenAI's flagship family, unifying the former o-series reasoners

CuratedAndroidiOSMacWebWindows

3 use thisCompare with Sesame CSM
Claude

Anthropic's model family in Haiku, Sonnet, Opus, and Fable tiers

CuratedAndroidiOSMacWebWindows

2 use thisCompare with Sesame CSM
Gemini

Google DeepMind's multimodal family with built-in thinking modes

CuratedAndroidiOSMacWebWindows

1 use thisCompare with Sesame CSM
Grok

xAI's frontier model family with real-time X data access

Curated

1 use thisCompare with Sesame CSM
Mistral

Mistral AI's model family, from Small and Medium up to Large

Curated

1 use thisCompare with Sesame CSM
Amazon Nova

Amazon's multimodal model family served through Bedrock

Curated

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Ampersand

Collaborator model for helping groups reach shared goals, via API

Curated

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Beam

Reflection AI's 501B open-weight model for coding and agent work

Curated

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Command

Cohere's RAG and tool-use optimized enterprise model family

Curated

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DeepSeek-V

DeepSeek's MIT-licensed MoE family with hybrid reasoning (V4, R1)

Curated

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Questions

What are the closest alternatives to Sesame CSM?

Bark, Chatterbox and CosyVoice sit on the same sub-line as Sesame CSM (Speech & Audio Models) on AI Landscape, with 11 more.

How are these alternatives chosen?

They are the other products on the Foundation Models stop of the map: curated products first, the ones on Sesame CSM's sub-line before the rest, then by name until members have marked enough of them.