Luke Oliff ยท Developer relations
Developer relations, written down.
I'm Luke Oliff, Head of Developer Relations at Speechify. I write about docs, developer communities, and the craft of making APIs easy to build with. Everything I publish lives here.
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Writing
Recent posts.
The latest things I published. Post links live at the root, so they stay short and they stay put.
WebSocket vs REST TTS APIs for Voice AgentsOriginalChoosing between WebSocket and REST for your streaming TTS API changes your voice agent's latency floor. Here is how to pick the right protocol.TTS
Smallest.ai Raises $13M to Split Voice Agents in TwoOriginalSmallest.ai closed a $13M Series A for Voice 4.0 and Hydra. Their bet is that fast real-time agents need small speech models, not big LLMs.Voice AI
GPT-Transcribe Makes Context the New ASR FeatureOriginalOpenAI's GPT-Transcribe launched July 29, 2026 with prompt, keyword, and language hints. Free-form context lifted accuracy from 38.5% to 44.6%.Speech-to-Text
Grok Voice 2.0 Ships With a Quiet 60% Price RiseOriginalGrok Voice Think Fast 2.0 launched July 29, 2026 at $0.08/min, up from $0.05. On August 5 the grok-voice-latest alias migrates you automatically.Voice AI
Fish Audio's $52M Seed: Open Weights Got Them HereOriginalFish Audio raised a $52M seed on July 28, 2026 with $21M ARR and 8M users. Its new S2.1 Pro model is closed, API-only. What that shift means for TTS.TTS