Text to Speech

Benchmarks and comparisons of TTS APIs and voice AI platforms, covering voice quality, latency, pricing, and realtime speech synthesis.

7 articles

Cartesia vs ElevenLabs: Choosing a Voice API in 2026

A hands-on comparison of Cartesia Sonic and ElevenLabs across quality, latency, price, and control, with the audio clips so you can judge for yourself.

ComparisonsJune 18, 20265 min read

How we built a personal meeting assistant using Deepgram

We built Otto, a meeting assistant that listens to any call and answers out loud when addressed by name. Here's how we used Deepgram's Nova-3 transcription and Aura voices to make it work in real time.

ArticlesJune 10, 20266 min read

Best Realtime Voice Agent in 2026

We tested the leading realtime voice agent APIs head to head.

ComparisonsMay 13, 202610 min read

Best Text-To-Speech Model in 2026: Blind Benchmark

We ran 16 AI voice providers through the same scene from Pride & Prejudice. Now it's your turn to pick the winner, blind.

ComparisonsMay 12, 20267 min read

Grok TTS vs OpenAI: A quick head to head

A practical blind comparison of xAI's Grok TTS and OpenAI's gpt-realtime-2 voice model across six real-world scenarios.

ComparisonsMay 8, 20268 min read

Grok TTS: X's Latest TTS Model Sets a New Baseline

xAI's Grok TTS offers expressive speech tags, a realtime voice agent API, and pricing that undercuts ElevenLabs by 12x. Here's what it actually does.

ArticlesMay 6, 20267 min read

Smallest.ai vs ElevenLabs: Which Voice AI Platform Wins in 2026?

I put ElevenLabs and Smallest.ai head-to-head across TTS voice quality, realtime voice agents, voice cloning, latency, and cost.

ComparisonsApril 21, 202616 min read