ElevenLabs vs CallSphere: Dev Platform vs Managed
ElevenLabs' 2026 voice AI trend report frames it as a developer platform. CallSphere is managed. Honest comparison of when each one is the right fit.
7 min read
Voice & Chat Agents
Voice & Chat Agents archive page 18 of 42
Voice & Chat AI Agents
Everything on voice and chat AI agents — real-time speech processing, telephony and phone-system automation, conversational AI, voice UX design, and production deployment.
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GPT-Realtime-2 128K Context: What It Unlocks for Voice Agents
OpenAI's GPT-Realtime-2 quadruples voice context to 128K tokens. Here is exactly what the 32K-to-128K jump changes for production phone agents.
7 min read
GPT-Realtime-Translate Deep Dive: 70 Input Languages, 13 Output
OpenAI's GPT-Realtime-Translate maps 70+ input languages to 13 output languages at $0.034/min. What the topology means for call centers in 2026.
7 min read
Parloa vs CallSphere vs OpenAI: 2026 Voice Positioning
Three-way comparison of how Parloa (enterprise), OpenAI (foundation), and CallSphere (vertical SMB/mid-market) position in 2026 voice AI — and who should pick which.
7 min read
128K Context Voice Agents: What It Actually Unlocks
GPT-Realtime-2 jumped from 32K to 128K context. We map what changes in real-world calls — collections, healthcare intake, B2B sales — with concrete examples.
7 min read
Voice Agent TCO 2026: Build It Yourself vs Managed
Honest 24-month TCO breakdown for building your own voice agent on OpenAI/Anthropic APIs versus using a managed platform like CallSphere. With numbers.
8 min read
WebRTC Mobile Testing with BrowserStack + Sauce Labs (2026)
BrowserStack offers 30,000+ real devices; Sauce Labs ships deep Appium automation. Here is how AI voice agent teams use both for WebRTC mobile QA in 2026.
11 min
Voice Agent Ending the Call Gracefully (2026)
96% of well-designed agents close calls politely; the rest leave callers with the robotic-hangup feeling that undermines the whole flow. We map endCallPhrase tuning, silence-timeout policies, and CallSphere's vertical farewell library.
10 min read
After-Hours Voice AI vs ServiceNow Project Arc: How They Stack
This week's NVIDIA + ServiceNow Project Arc news is about desktop agents for employees. CallSphere After-Hours covers the phone line. Here is how the two fit together.
7 min read