Google Cloud offers wide language coverage across a tiered lineup that runs from robotic to high-end. SpeechifyAI's $6 per 1M additional characters on the $499/month Scale plan is below Google's Neural2 and higher-priced tiers, with no model-tier math inside the selected SpeechifyAI plan.
| Capability | SpeechifyAI | Google Cloud Text-to-Speech |
|---|---|---|
| Price (per 1M chars) | $6 / 1M additional usage on $499/month Scale, across the catalog | Tiered by voice class: Standard/WaveNet $4, Neural2 $16, Chirp 3:HD $30, Instant Custom Voice $60, Studio $160; Gemini-TTS token-metered |
| Pricing model | Per character of spoken text; SSML tags are not counted | Per character by voice class; billing counts spaces and SSML tags |
| Voice quality | Proprietary neural; consistent across the catalog | Ranges from robotic (Standard) to high-end (Chirp3-HD, Studio) |
| Voices | Model-compatible catalog; filter GET /v1/voices by each voice's models[] | 380+ across voice classes |
| Languages | 6 languages across 7 locales self-serve; 48 through our team | 75+ languages and variants; widest coverage in the market |
| Voice cloning | Instant zero-shot cloning on Starter and above; fine-tuned voices by sales arrangement | Custom Voice available, but a separate enterprise process |
| Latency | 56 ms p50 first byte on Simba 3.2, streaming, measured 15 Sep 2026 | Streaming available; latency varies by voice class |
| Commercial use / free tier | Commercial use on every plan; 500K chars/month free | Commercial use; free monthly buckets per voice class |
Google charges $4 per million characters for Standard and WaveNet voices, $16 for Neural2, $30 for Chirp 3:HD, $60 for Instant Custom Voice, and $160 for Studio. Pick the wrong tier for a workload and the bill jumps four times in a billing cycle. SpeechifyAI is $6 per 1M additional characters on the $499/month Scale plan across the whole catalog; within Scale, that rate does not change by model or use case, and SSML tags do not count toward billed characters.
Google's Custom Voice is a separate sales-led process: file a request, wait for approval, sign a contract, then start training. The Instant Custom Voice variant cuts the wait but charges $60 per million characters to use the trained voice. SpeechifyAI includes instant zero-shot voice cloning on Starter and above with no enterprise contract or approval cycle. Fine-tuned voices are arranged separately through sales; synthesis uses the selected plan's per-character rate.
SpeechifyAI applies one model-independent per-character rate within each plan. Scale additional usage is $6 per 1M additional characters on the $499/month Scale plan; instant zero-shot cloning is self-serve on Starter and above, while fine-tuned voices are arranged through sales.
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