Grok in Tesla vs Mercedes MBUX vs BMW Dee — Portland Builders Take
Three flagship in-cabin AI assistants compared — Grok in Tesla, MBUX in Mercedes, and BMW's Dee. Practical context for teams in Portland, OR.
Step-by-step guides, technical tutorials, and use-case playbooks for building AI voice and chat agents — plus the latest AI news, model releases, funding, and policy developments.
From the blog
Three flagship in-cabin AI assistants compared — Grok in Tesla, MBUX in Mercedes, and BMW's Dee. Practical context for teams in Portland, OR.
Three frontier models, three pricing strategies — Mistral Medium 3, Claude Opus 4.7, Gemini 3 Pro compared head-to-head. Lens: sales teams. A 2026 builder briefing.
How Gemini 3 Flash handles function calling at scale: schemas, parallel calls, error recovery, and observability. Practical context for teams in Singapore, Singapore.
China's CAC published updated generative AI rules on April 9, 2026, with new content provenance requirements and a streamlined safety review process for model launches.
The Texas Responsible AI Governance Act enforcement guidance dropped on April 19, 2026, clarifying the prohibited-use list and enforcement priorities for the OAG.
The UK AI Bill's second reading on April 17, 2026 moved a sectoral-regulator approach forward, with the AI Safety Institute formally renamed the AI Security Institute.
USAISI published frontier model evaluation results for three labs on April 25, 2026, with new pre-deployment testing protocols co-developed with the UK AISI.
Twilio numbers, webhooks, codecs, SIP trunks, recording, signature validation. CallSphere bundles Twilio integration; Vapi makes you wire it. Step-by-step.
Voice cloning lock-in matters when you switch platforms. CallSphere uses ElevenLabs (portable assets); Vapi mixes providers. How to keep voice IP yours.