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Sandeep Chinchali

@SPChinchali

UT Austin Prof. Chief Scientist at Poseidon AI. Work on GenAI and Networked Intelligence. Stanford CS PhD. All views my own.
Austin, TX ece.utexas.edu/people/faculty… Joined October 2021
86 Following 1.1K Followers 127 Posts

Latest posts 5

Sandeep Chinchali @SPChinchali
Most voice AI products run on conversational data, and that training data is sourced from multi-speaker audio.

But how confident can we be that our evaluation pipelines are actually measuring what we think they are?

We built the Poseidon Score to evaluate. Findings in our latest blog ↓
4 replies 5 reposts 17 likes 1.2K views View on X
Sandeep Chinchali @SPChinchali
Speech models degrade sharply as you move off high-resource English benchmarks.

@theinformation's AI Agenda surfaces the structural issue and references Poseidon’s work collecting multilingual, rights-cleared audio across dialects and domains.

Without rigorous data curation and ground-truth validation, scaling voice systems globally remains an unsolved problem.
Stephanie Palazzolo @steph_palazzolo Feb 24
In this morning's AI Agenda, I break down why researchers say that audio AI models need to improve on languages other than English—and why this is especially important as OpenAI and others increasingly expend into countries outside the Western hemisphere.

theinformation.com/newsletters/ai…
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6 replies 4 reposts 23 likes 2.8K views View on X
Sandeep Chinchali @SPChinchali
As AI moves into robotics and autonomy, the weak point isn’t just code or prompts. If you can manipulate the camera or audio input, you can manipulate the model’s behavior, which is very worrisome.

Multimodal systems ingest pixels, audio, and sensor data. Adversarial inputs can be injected through a sign, a sound, or poisoned training data.

High-quality data isn’t enough - more than ever, we need provenance and validation. If you can’t trace and verify the data pipeline, you cannot reason about model behavior.
axios.com/2026/02/10/sen…
www.axios.com A cybersecurity CEO's next fear: Hacked robots and hijacked cars Few people outside the depths of the security industry are ready for a world where Waymos are hijacked or warehouse robots are tricked.
1 replies 2 reposts 12 likes 466 views View on X
Sandeep Chinchali @SPChinchali
If this works, cities will take an entirely new form.

Imagine a pipe bursts and traffic is instantly rerouted. A grid under strain sheds load before blackouts. Trains adjust frequency based on real passenger flow, not last year’s averages. The system responds in real time.

To get there, you need dense, real-world sensor data, models that understand physical constraints, and data that can actually be used in safety-critical settings.
weforum.org/stories/2026/0…
www.weforum.org Human-centred physical AI will be key to transforming cities | World Economic Forum Innovation ecosystems, creative financing, and Physical AI–driven digital connectivity will be essential to transforming urban mobility and infrastructure in cities worldwide.
0 replies 2 reposts 12 likes 423 views View on X
Sandeep Chinchali @SPChinchali
As AI systems integrate into infrastructure, telecom, healthcare, and robotics, data provenance becomes a systems-level constraint.

If you cannot trace where training data originated, under what license, and whether consent is revocable, you introduce uncertainty into evaluation and deployment.

While @Cloudflare’s AI Crawl Control gives websites a machine-readable way to signal training permissions, what is the equivalent primitive for individuals? Voice recordings captured by satellites or smartphone devices, behavioral data from wearables, and so on.

Personal data is continuous and multimodal, making it far more challenging since it does not live on a single server behind a robots.txt file.

As models move into physical systems, weak data lineage becomes a reliability and governance risk. We need provenance that is programmatic, auditable, and enforceable at the data layer itself.

reuters.com/legal/litigati…
www.reuters.com Musk's Starlink updates privacy policy to allow consumer data to train AI SpaceX revised its Starlink privacy policy to allow the use of customer data for AI training, a shift that could bolster Elon Musk's AI ambitions.