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Good morning, AI enthusiast. |
Tesla just put its steering-wheel-free Cybercab on public streets in Austin, and the strangest part isn't the missing wheel - it's that regulators are only now catching up to ask whether that's allowed. |
Forty-five of the two-seat robotaxis are already carrying paying riders, with a federal safety audit running in parallel. If a car with no way for a human to physically intervene can carry passengers before regulators finish reviewing the design, what does that mean for every other automaker racing toward the same idea? |
Today in AI Brief: |
Tesla's Cybercab starts picking up riders in Austin Google maps the complete fruit fly brain A new AI lab open-sources six frontier models |
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Tesla's Cybercab Starts Picking Up Riders in Austin |
In Brief: Tesla launched its Cybercab robotaxi service in Austin, adding 45 of the steering-wheel-free, two-seat vehicles to its existing Robotaxi network alongside Model Y cars. |
The Details: |
The Cybercab has no steering wheel, pedals, or mirrors - it runs entirely on Tesla's camera-based Full Self-Driving stack and AI4 hardware. Service currently operates 6 a.m. to 10 p.m. across 6 cities - Austin, Dallas, Houston, Miami, Orlando, and Tampa - with 24-hour coverage expected within a month. The control-free design triggered an NHTSA audit into Tesla's federal safety certification process, even as the cars started carrying paying customers. |
Take Away: |
A production car with no way for a human to physically intervene is a genuine first, not just for Tesla but for the industry. Whether regulators let that stand will shape how fast every other automaker follows Tesla off the steering wheel. |
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Google Maps the Complete Male Fruit Fly Brain |
In Brief: Google Research and HHMI's Janelia Research Campus published the first complete connectome of a male fruit fly's brain and nervous system, capping a decade-long partnership between the two labs. |
The Details: |
The map covers 166,000 neurons and 125 million synaptic connections, including the ventral nerve cord - the fly's version of a spinal cord. Google used flood-filling neural networks and a new system called PATHFINDER to reconstruct the 3D wiring from raw imaging data, with HHMI researchers proofreading the entire result by hand. Comparing this map to the previously released female fly connectome already revealed real anatomical differences, like extra neuron projections tied to courtship and aggression behavior. |
Take Away: |
Mapping the human brain's 86 billion neurons is still out of reach, but the same AI reconstruction techniques are what will eventually get researchers there. A complete, verified fly brain is proof the method scales. |
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A New AI Lab Open-Sources Six Frontier Models |
In Brief: The Institute of Foundation Models released K2 Horizon, six open models ranging from 0.9B to 375B parameters, shipping with full weights, code, training data, and methodology under an Apache 2.0 license. |
The Details: |
The smallest models target on-device use - the 0.9B model is built for watches and glasses, while the 3.7B and 7B versions run on phones. Founder Eric Xing says the fleet is meant to prove open source means more than open weights, noting every model "ships with its training data, recipe and evaluations." All six are available now on Hugging Face and through inference partners including AWS, Cerebras, and Nebius, so developers can start testing immediately. |
Take Away: |
Most frontier labs treat model weights as the finish line and keep training data and methods private. K2 Horizon's bet is that fully reproducible open models pull in more of the developer ecosystem than another closed benchmark win. |
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Everything else in AI |
Meta released Muse Spark 1.3, an agentic- and coding-focused model update that uses 20% fewer tool calls and 25% fewer tokens than its predecessor. |
Google rolled out Gemini 3.8 Flash and a cybersecurity-focused Cyber variant that finds real-world software vulnerabilities with a 70%+ success rate. |
Stryker received FDA authorization for SportSuite Vision, the first Apple Vision Pro app cleared for live surgery, debuted during a hip arthroscopy at Duke Health. |
Google launched Gemini Audio-powered voice features for Gmail, Docs, and Keep, letting subscribers search their inbox, draft documents, and turn spoken notes into structured lists just by talking. |
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