24 posts tagged "tts".
Since 9 October 2026, SpeechifyAI takes an LLM's reply over a WebSocket as it is written. From Google Cloud us-east4 that day, the first word was audible 449 ms after the first token, against 468 ms with one HTTP request per sentence and 2,525 ms for the whole reply at once.
SpeechifyAI team
On 1 October 2026, SpeechifyAI's $10 Starter plan allowed 15 concurrent text-to-speech requests and its $99 Pro plan 30. Concurrency and rate limits for 14 text-to-speech APIs, plan by plan, read from each provider's own pages that day.
SpeechifyAI team
LiveKit's Python plugin adds Speechify TTS to an AgentSession in one line. It streams each sentence: 82 ms median first audio from US East on 28 Sep 2026.
SpeechifyAI team
Simba 3.2 reached first audio in a median of 106 ms on Coval over the 24 hours to 24 September 2026, and 123 ms on Voice Arena's US English board that day. What to measure before you pick a TTS API for a voice agent, and what cuts the wait.
SpeechifyAI team
Monthly cost of 13 text-to-speech APIs at 1M, 10M and 100M characters, subscription fees included, read from each vendor's pricing page on 28 September 2026, next to each model's blind-listening score.
SpeechifyAI team
There's now a command line for Speechify. Install it from npm, log in with your API key, and synthesize speech, browse voices, and hand Speechify to your AI agent, all from your terminal.
Luke Oliff
Speechify's official LiveKit plugin streams word-level timestamps alongside the audio. Read them by overriding transcription_node and you get word-synced captions in a Python voice agent, with no extra API calls.
Luke Oliff
Add a listen button to documentation with the Speechify API. A framework-agnostic walkthrough with a concrete example you can copy.
Luke Oliff
What streaming text-to-speech makes possible: read-aloud, voice agents, call narration, live captions, and read-along highlighting, all built on the Speechify streaming endpoints.
Luke Oliff
Turn an RSS feed into a daily audio digest with the Speechify API. Fetch items, join the text, generate one audio file, and deliver it.
Luke Oliff
Build a Slack bot that reads channel messages aloud with the Speechify API. Wire events, synthesize audio, and post the clip back to the channel.
Luke Oliff
Give the Speechify text-to-speech API a URL and the page comes back as narrated audio. Fetch, extract the article text, chunk on sentence boundaries, synthesize each chunk with POST /v1/audio/speech.
Luke Oliff
What engineers actually use to add voice to web and mobile apps, and the four decisions that matter: the browser's built-in API versus a cloud one, streaming versus batch, where the key lives, and how to keep audio playing on iOS.
Luke Oliff
The tools for producing narration without hiring voice actors, compared on cost per finished hour rather than per seat. Studio subscriptions cap downloaded minutes; per-character APIs do not. One hour of audio runs from $0.31 to $40 depending on which you pick.
Luke Oliff
Which speech platform to pick when your chatbot has to talk. The decision is not voice quality, it is whether you need a TTS API or a full voice agent, plus how the model reads account numbers and order IDs back to a caller.
Luke Oliff
Generate the same script in English, German, Spanish, French, Italian, and Portuguese with the Speechify TTS API. Pick a simba-3.0 voice for each locale, call POST /v1/audio/speech per language, keep the key server-side.
Luke Oliff
How a Speechify provider for the AI SDK's generateSpeech() works: a dependency-free speech model that maps POST /v1/audio/speech onto SpeechModelV4, key held server-side in a Next.js route. Speechify now maintains one on npm, @speechify/ai-sdk-provider.
Luke Oliff
simba-3.2 is now the recommended Speechify TTS model, and GET /v1/audio/models lets you discover it at runtime instead of hardcoding a model list. What shipped, which voices it serves, and how to move off simba-3.0.
Luke Oliff
The 10 text to speech APIs worth evaluating in 2026, ranked on blind-listener scores from Artificial Analysis and priced per million characters.
SpeechifyAI teamFirst published by Luke Oliff
Use SSML pauses, speaking rate, and pronunciation aliases to shape Speechify TTS output from one API request, and know which tags current models apply.
Luke Oliff
On the Artificial Analysis Speech Arena on 23 September 2026, Simba 3.2 was in the top five of 92 models at an Elo of 1,237, and the lowest-priced model in the top ten. How the leaderboard's Elo works, and what two independent latency benchmarks measured.
Luke Oliff
Turn long-form ePub or Markdown into a single narrated chapter MP3 with a runnable Python demo: chunk on sentence boundaries, synthesize each chunk, stitch with ffmpeg.
Luke Oliff
How to stream audio from the Speechify TTS API in Python with plain HTTP and requests. Covers chunked streaming to disk and piping audio to a player without waiting for the full payload.
Luke Oliff
A practical guide to synthesizing speech in Node.js using the Speechify TTS API. Covers installation, a basic synthesis call, streaming audio to disk, and what to reach for next.
Luke Oliff
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