Api

TL;DR xAI launched standalone Speech-to-Text (STT) and Text-to-Speech (TTS) APIs built on the same stack powering Grok Voice, Tesla in-vehicle assistants, and Starlink customer support Grok’s STT is among the cheapest at $0.10/hour (batch) and $0.20/hour (streaming), with features like speaker diarization, word-level timestamps, and Inverse Text Normalization The TTS offering ships with five expressive voices, inline expression control tags ([laugh], [sigh], whisper), and covers 20 languages - priced at $4.20 per million characters xAI’s pitch is vendor consolidation: replacing three separate contracts (transcription, LLM, synthesis) with one stack on one billing account The best fit is teams already building on Grok for reasoning - for lowest-latency TTS, ElevenLabs Flash v2.5 at ~75ms is still unmatched xAI has released two standalone voice APIs - Speech-to-Text (STT) and Text-to-Speech (TTS) - built on the same stack powering Grok Voice, Tesla in-vehicle assistants, and Starlink customer support. The move puts xAI in direct competition with ElevenLabs, Deepgram, and AssemblyAI, three companies that have owned the enterprise voice API market for years. ...

AI cloud subscriptions have fragmented into a crowded market. Frontier-lab APIs compete with open-weights challengers, consumer chat plans compete with agent platforms, and every provider is reshuffling model tiers every few months. This guide organizes the 2026 landscape so you can pick a plan without reading six pricing pages. For background on how these costs behave over time, see Token Economics: Why Costs Aren’t Going Down and Local vs Cloud AI in 2026. ...

Most engineering concepts are easier than they look once someone explains them clearly. This page collects short explainer notes on the fundamentals I find myself re-explaining most often, each paired with the best external visual or video I have found on the topic. APIs An API is a contract: this is what I will accept, this is what I promise to return, this is how I will behave when something goes wrong. Everything else - REST, GraphQL, gRPC, WebSockets - is just a different way of expressing that contract over the wire. ...