# Gandr vs Gradium

Gandr records 406 monthly visits with -95% month-over-month growth and Freemium, Paid, Contact for Pricing pricing. Gradium records 126,416 monthly visits with +128.7% growth and Freemium, Contact for Pricing pricing.

| Metric | [Gandr](https://openaitools.app/tool/gandr) | [Gradium](https://openaitools.app/tool/gradium) |
| :--- | :--- | :--- |
| Website URL | https://gandr.ai | https://gradium.ai |
| Categories | AI Text-to-Speech, AI Voice Cloning, AI Voice Generator, AI Voice Over | AI Text-to-Speech, AI Speech-to-Text, AI Voice Cloning, AI API |
| Pricing Model | Freemium, Paid, Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 406 | 126,416 |
| MoM Growth Rate | -95% | +128.7% |
| Primary Market | India | France |
| Direct Visits | 146 | 27,158 |
| Review Score | 4.4 | 4.5 |
| Saved Count | 0 | 0 |
| Supported Platforms | Website | Website |

## Gandr

Gandr structures its business around streams, not usage meters. One concurrent stream covers unlimited speech in 23 languages, which means cost planning for an audiobook run, a dubbing pipeline or a voice-agent deployment looks the same whether you generate a hundred lines or a hundred thousand. The company positions this as a deliberate contrast to per-character billing, where a viral week can wreck a budget.

Underneath sits an unified serving endpoint with three redundant tiers behind it, built for tail latency rather than medians. Gandr reports first audio at roughly 116 ms p50 server-side with a warm cache, and 146 ms for the first byte over the open internet, and it invites scrutiny of the slowest turn in a conversation rather than the average. Voice cloning starts from a reference clip of about ten seconds; no training job is scheduled and there is no per-voice fee, and clones are cached after first use.

The platform ships developer-facing integrations for LiveKit, Pipecat, Vapi, Retell, Daily and Whisper, exposing agents over WebSocket and narration or dubbing over HTTP. Every generated clip carries an inaudible watermark for provenance, and the company states that customer audio is never used to train models. Compliance documentation covers SOC 2 Type 2, HIPAA-verified infrastructure and GDPR-ready infrastructure, with marketing aimed at agencies, startups, game studios and enterprises.

**Pricing & Plans:** Freemium start with a full-access API key issued on sign-in. Core billing is a flat rate per concurrent stream covering unlimited speech in 23 languages; accounts running from roughly 500 lines upward are quoted individually on a call. No per-character metering and no per-voice cloning fee.

- **Flat per-stream pricing:** One concurrent stream covers unlimited speech — your busiest production day costs the same as your quietest, with no per-character counting.
- **Instant voice cloning:** A roughly ten-second reference clip becomes a working voice clone with no training job and no per-voice fee; clones are cached after first use.
- **Tail-focused low latency:** Redundant serving across three tiers behind one endpoint, with reported first audio around 116 ms p50 server-side and 146 ms first byte over the open internet.
- **23-language voice identity:** The same cloned identity speaks across 23 languages and multiple accents, useful for dubbing and multilingual support lines.
- **Provenance and privacy by default:** An inaudible watermark is stamped into every clip, and submitted audio never enters a training set; infrastructure is SOC 2 Type 2, HIPAA-verified and GDPR-ready.

**Strengths:** Pricing model that rewards volume instead of punishing it; Voice cloning from about ten seconds with no per-voice fee; Explicit latency reporting that emphasises p95 tails, not just medians; Watermarking and a no-training-on-customer-audio policy stated up front

**Limitations:** Exact per-stream rates and stream counts are not published on the homepage; Very high-volume accounts move to a sales call rather than self-serve checkout; Per-stream pricing requires you to reason about concurrency, which is unfamiliar to teams used to character budgets

[Profile (Markdown)](https://openaitools.app/tool/gandr.md)

## Gradium

Gradium targets teams building conversational voice agents, telephony bots, and real-time translation experiences where latency decides whether a product feels natural. Its model lineup covers the full loop: text-to-speech for synthesis, speech-to-text for transcription, live voice-to-voice translation, instant cloning from a short audio sample, pro cloning for production-grade custom voices, and voice design that creates a brand-new voice from a text description alone.

The platform is API-first, with SDKs for Python and Rust, WebSocket streaming, semantic voice activity detection, custom vocabularies, code-switching support, and integrations such as LiveKit and Pipecat so teams can drop it into existing agent stacks. Gradium also ships Phonon, an open on-device TTS model that can run offline, which matters for privacy-sensitive or embedded deployments.

Pricing is credit-based across five self-serve tiers plus enterprise. Credits map to usage: text-to-speech costs 1 credit per character, speech-to-text 3 credits per second, speech-to-text translation 4 credits per second, and speech-to-speech translation 30 credits per second. Higher tiers unlock commercial use, more custom voices, pro clones, and better concurrency, while enterprise adds dedicated inference, on-premises deployment, and options such as Baseten or SageMaker endpoints.

**Pricing & Plans:** Free tier with 45k credits per month. Paid plans run $12/mo (XS), $39/mo (S), $312/mo (M), and $1,480/mo (L) on monthly billing, with yearly billing giving one month free. Usage is credit-based (1 credit per TTS character, 3 credits per STT second, 30 credits per second for speech-to-speech translation). Enterprise pricing is custom.

- **Ultra-low-latency voice models:** Text-to-speech, speech-to-text, and live speech-to-speech translation reach roughly 50 ms to first audio, tuned for conversational agents rather than batch processing.
- **Tiered voice cloning and voice design:** Clone a voice from a short sample for everyday use, move up to pro cloning for production quality, or generate a brand-new voice from a text description.
- **Developer-first API and SDKs:** WebSocket streaming, Python and Rust SDKs, custom vocabulary, semantic VAD, and code-switching support make integration straightforward for agent builders.
- **Open on-device TTS with Phonon:** Phonon is Gradium's openly available TTS model that runs on-device for offline or privacy-sensitive deployments.
- **Scaling and deployment options:** Gradium handles concurrency tiers for growing traffic and supports dedicated inference, on-premises deployment, and Baseten or SageMaker endpoint hosting.

**Strengths:** Very low latency tuned specifically for live voice agents rather than offline batch jobs; Full voice stack in one API: TTS, STT, translation, cloning, and voice design; Genuine free tier (45k credits/month) and low $12/mo entry point for prototyping; Enterprise-grade options including on-premises deployment, data residency, and an open on-device TTS model

**Limitations:** Credit-based pricing is harder to forecast than flat per-seat plans, and unused plan credits expire monthly; Pro voice cloning and higher concurrency sit behind the larger monthly tiers; Feature depth varies by plan, so commercial use requires at least the XS tier

[Profile (Markdown)](https://openaitools.app/tool/gradium.md)

## Frequently Asked Questions

### How do Gandr and Gradium compare in monthly traffic?

Gandr has 406 monthly visits, while Gradium has 126,416. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Gandr has a month-over-month growth rate of -95%; Gradium has +128.7%.

### How does pricing compare?

Gandr: Freemium, Paid, Contact for Pricing. Freemium start with a full-access API key issued on sign-in. Core billing is a flat rate per concurrent stream covering unlimited speech in 23 languages; accounts running from roughly 500 lines upward are quoted individually on a call. No per-character metering and no per-voice cloning fee. Gradium: Freemium, Contact for Pricing. Free tier with 45k credits per month. Paid plans run $12/mo (XS), $39/mo (S), $312/mo (M), and $1,480/mo (L) on monthly billing, with yearly billing giving one month free. Usage is credit-based (1 credit per TTS character, 3 credits per STT second, 30 credits per second for speech-to-speech translation). Enterprise pricing is custom.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ElevenLabs](https://openaitools.app/tool/elevenlabs-io) | 42,396,771 | +26.1% | Freemium, Paid, Contact for Pricing | AI audio platform for speech, agents, music and dubbing | [.md](https://openaitools.app/tool/elevenlabs-io.md) |
| 2 | [Fish Audio](https://openaitools.app/tool/fish-speech) | 8,557,159 | +1.6% | Freemium | Studio-grade AI text to speech and voice cloning | [.md](https://openaitools.app/tool/fish-speech.md) |
| 3 | [Groq](https://openaitools.app/tool/groq) | 3,987,936 | +10% | Paid | Ultra-fast AI inference on the LPU and LPX platform | [.md](https://openaitools.app/tool/groq.md) |
| 4 | [Cartesia](https://openaitools.app/tool/cartesia-ai) | 1,782,707 | +49.7% | Contact for Pricing | Real-time voice AI models and agents you can build on | [.md](https://openaitools.app/tool/cartesia-ai.md) |
| 5 | [Luvvoice](https://openaitools.app/tool/luvvoice-free-text-to-speech) | 1,438,923 | -8.2% | Freemium | Free AI text to speech with 200+ voices in 70+ languages | [.md](https://openaitools.app/tool/luvvoice-free-text-to-speech.md) |
| 6 | [Typecast AI](https://openaitools.app/tool/typecast-ai) | 1,232,204 | -3.9% | Freemium | Generate natural, emotional AI voiceovers — and clone your own voice. | [.md](https://openaitools.app/tool/typecast-ai.md) |
| 7 | [Deepgram Voice AI](https://openaitools.app/tool/deepgram-voice-ai) | 863,852 | +31.8% | Free Trial | Real-time speech-to-text, text-to-speech and voice agents in one API platform | [.md](https://openaitools.app/tool/deepgram-voice-ai.md) |
| 8 | [Vapi](https://openaitools.app/tool/vapi) | 662,301 | -11.4% | Freemium | Build, test, and deploy production-grade voice AI agents over API | [.md](https://openaitools.app/tool/vapi.md) |
| 9 | [Vbee AI Voice](https://openaitools.app/tool/vbee-ai-voice) | 563,444 | +12.1% | Free Trial, Contact for Pricing | Vietnamese AI text-to-speech, voice cloning, and dubbing for creators | [.md](https://openaitools.app/tool/vbee-ai-voice.md) |
| 10 | [Murf AI](https://openaitools.app/tool/murf-ai) | 519,643 | -2.8% | Freemium | Build natural AI voices, voice agents, and dubbing in one platform | [.md](https://openaitools.app/tool/murf-ai.md) |

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Source: https://openaitools.app/compare/gandr-vs-gradium

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