CallMissed Blog
Insights on AI communication, voice agents, WhatsApp automation, and the future of customer engagement.
Prompt Engineering for Voice Agents
Prompt engineering for voice is not prompt engineering for chat with a TTS bolted on. Voice has different constraints — latency budget, no formatting, interruption tolerance, listener attention span — that change every layer of how you write the prompt. The same prompt that produces excellent respon…
Structured Output vs Tool Use: Which When
By 2026 the "JSON parsing with regex" era is over. Both major model APIs offer constrained-decoding paths that produce schema-valid output, and tool use is mature enough that one or the other handles 90% of structured generation workloads. The remaining question is which to reach for — and the answe…
Open-Weight vs Open-Source: The 2026 Licensing Mess
"Open-source LLM" is one of the most overloaded phrases in tech right now. In 2026 the phrase covers everything from genuinely permissive Apache 2.0 weights you can ship in a commercial product to "you can download it but talk to legal first" community licenses that look open and behave like proprie…
The Spring 2026 AI Roundup: Every Model That Shipped, and Why the Agent Wars Are Here
The last ninety days have been the most concentrated stretch of frontier AI releases in the field's short history. Between February and early May 2026, every major lab — and a handful of open-weight ones — pushed something new. Here is what shipped, what changed, and why all of them are starting to …