Rime
Rime: A focused voice-agent API with streaming, cloning, and deployment flexibility. Ranked #47 of 222 in Text-to-Speech Software by our editors (4.8/10); pricing: Paid; best for realtime voice-agent infrastructure.
At a glance
- Editor score4.8 / 10
- PricingPaid
- Best forRealtime voice-agent infrastructure
- Free planNo
- Paid from$0.03/unit usage-based
- Founded2022
- Facts checked20 Sep 2026
Where it wins
- HTTP and WebSocket streaming for real-time voice applications
- Cloud, VPC, or on-premises deployment options
- Voice cloning, timestamps, and agent-framework integrations
Where it doesn't
- Supports up to eight languages
- No free plan
- Input length is limited to 500 characters
Our verdict on Rime
Rime is a text-to-speech platform for real-time voice applications, including customer support, healthcare, financial services, hospitality, and other enterprise conversations. It provides conversational voice models through HTTP and WebSocket APIs, with streaming audio, multilingual voices, pronunciation and speech-rate controls, word-level timestamps, and audio output in MP3, μ-law, and PCM formats. Its web, API, and self-hosted access make it relevant to teams building voice agents and other real-time communication products.
The published plans show usage-based pricing for Starter at $0.03 per 1K characters. Starter includes approximately 800 free minutes, approximately 800k characters, and 20 concurrent TTS generations, along with public Slack support. Enterprise uses custom volume pricing and adds unlimited concurrent TTS generations, unlimited custom TTS voice clones, SLAs, dedicated support, and cloud, on-premises, or VPC deployment. Enterprise also includes BAA and SOC 2 reports, making the higher tier the fit for organizations that need deployment control and formal support arrangements.
Rime’s standout strength is its fit for real-time voice-agent infrastructure. Integrations with LiveKit, Pipecat, Twilio, Vapi, Daily, SignalWire, and VideoSDK can connect its speech generation to established voice and communications frameworks. Pronunciation controls, speech-rate controls, and word-level timestamps add useful control for conversational output and synchronization. The trade-off is focus: the platform supports up to eight languages, and its input limit is 500 characters. Choose Rime for enterprise voice applications that prioritize streaming, deployment options, and custom voices; consider a broader text-to-speech product if language breadth is the primary requirement.
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Rime pricing
Rime fact sheet
| Free plan | No |
|---|---|
| Paid from | $0.03/unit usage-based |
| Commercial use | Not verified |
| Voice cloning | Yes |
| API access | Yes |
| Languages | 8 languages |
| Maximum input | 500 characters |
| Export formats | MP3, μ-law, PCM |
| Platforms | web, api, self_hosted |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Compliance & security | SOC 2, HIPAA |
| Support | Community, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 7 integrations: LiveKit, Pipecat, Twilio, Vapi, Daily, SignalWire … |
| Pricing | Paid (source) |
| Website | rime.ai |
| Facts checked | 20 Sep 2026 |
Rime integrations
Rime lists 7 integrations on its own site.
- LiveKit
- Pipecat
- Twilio
- Vapi
- Daily
- SignalWire
- VideoSDK
Alternatives to Rime
- ElevenLabsAffordable voice cloning with multilingual generation, dubbing, streaming, and API access.9.4
- Google Cloud Text-to-SpeechA broad, API-only TTS service for developers building voice-enabled products.9.3
- Azure AI SpeechA broad, production-ready TTS platform for teams building voice applications.9.2
Also Ranked In
Rime is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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