AssemblyAI
Three OpenAI speech models to be discontinued, AssemblyAI offers migration path
OpenAI will remove the tts-1, tts-1-hd and gpt-4o-mini-tts models from its API on January 6, 2027. AssemblyAI says developers using the OpenAI SDK can switch to its…
AssemblyAI launches TTS-1 voice model at $15 per 1M characters
AssemblyAI has made its text-to-speech model AssemblyAI-TTS-1 generally available, aimed at voice agent developers. According to the company, it streams audio in 90 ms…
Best LLM for Summarizing Transcripts Depends on Length, AssemblyAI Bench Finds
AssemblyAI says there is no single best LLM for summarizing transcripts, because a 30-second voicemail and a 60-minute meeting are different tasks. Using its Voice…
Dictation Cleanup Benchmark: Fast Small Models Trade Score for Speed
AssemblyAI's Voice Standard Bench puts Gemini 4 Argon first for dictation cleanup at both 30 seconds and 2 minutes, but the company argues that latency and exactness…
AssemblyAI Ranks LLMs for Pulling Structured Data From Spoken Transcripts
AssemblyAI has published a guide to choosing an LLM for extracting structured data from spoken transcripts, based on its Voice Standard Bench. The results show that the…
AssemblyAI bench: small LLMs match big models on short audio, fade at meeting length
Small, fast language models score within a few points of the biggest models on voicemails and short calls, but they fall well behind on hour-long meetings, according to…
AssemblyAI: Standard WER Benchmarks Can Penalize Better Transcription Models
AssemblyAI says the standard word error rate (WER) benchmark can make a better speech-to-text model look worse. After customers reported that Universal-3 Pro scored…
Voice agent builders at Boardy and Flagler Health hit the same production walls
Two voice agents built for very different people, a founder network and a clinic phone line, run into nearly the same production problems. That was the message from a…