Vapi Raises $50M After Amazon Ring Picks It Over 40 Rivals
Vapi closes a $50M Series B at $500M valuation after Amazon Ring routed 100% of its inbound calls through the platform, chosen over 40 competing voice AI vendors.
Articles Tagged "API"
GPT-Realtime-2
OpenAI's second-generation real-time audio model with GPT-5-class reasoning, 128K context, five reasoning levels, and parallel tool calling - now generally available in the Realtime API.
OpenAI's Realtime API Goes GA with Three New Models
OpenAI's Realtime API exits beta with GPT-Realtime-2, Translate, and Whisper - three specialized voice models splitting reasoning, translation, and transcription into distinct endpoints.
OpenAI Rebuilt Its Voice AI Stack for 900M Users
OpenAI published how they rearchitected their WebRTC stack to serve 900M weekly voice users on Kubernetes using a split relay and transceiver model.
OpenAI Moves to AWS One Day After Microsoft Exclusivity Ends
One day after Microsoft's exclusive license ended, OpenAI launched GPT-5.4, Codex, and jointly built Managed Agents on Amazon Bedrock - all in limited preview.
Ideogram 3.0
Ideogram 3.0 is Ideogram AI's most capable text-to-image model, leading the field in typography accuracy at ~90-95% and offering production-ready API access at $0.03-$0.09 per image.
Best AI API Testing Tools in 2026 - 6 Compared
A hands-on comparison of the top AI-powered API testing tools in 2026: Postman, Keploy, KushoAI, Apidog, Schemathesis, and Bruno - ranked by test generation quality, pricing, and CI/CD fit.
Best AI Document Processing Tools in 2026 - IDP
Five AI document processing tools compared on accuracy, pricing, and format support - from enterprise IDP to lightweight PDF parsing APIs.
Best AI Phone Call Agents in 2026 - 5 Platforms
Hands-on comparison of Bland AI, Retell AI, Air AI, Vapi.ai, and Cal.com AI - five platforms for automated phone calls with verified pricing, latency numbers, and honest shortcomings.
Best AI Voice Agents in 2026 - 5 Platforms Tested
We tested five AI voice agent platforms - ElevenLabs, Vapi, Retell AI, Bland AI, and Play.ai - comparing real latency, per-minute pricing, and which use cases each actually serves.
ChatGPT Images 2.0 - Thinking Mode and 2K Output
OpenAI's gpt-image-2 adds reasoning, web search, and 2K resolution to image generation, with a tiered model that charges more for standard outputs than its predecessor.
Best AI Voice Cloning Tools 2026: Ranked for Quality
A hands-on comparison of the best AI voice cloning tools in 2026 - covering ElevenLabs, Resemble AI, Cartesia, PlayHT, open-source alternatives, and consent requirements.
