# Rising-star podcasts this week (2026-w34) _High signal you have not heard yet. Smaller audiences, top-tier substance._ **Published:** 2026-08-17 **Source:** https://www.startuphub.ai/ai-news/podcasts/2026/podcast-rankings-rising-2026-w34 --- Audience size is not the same as quality. These newer or smaller shows score at the top on measured substance, so they earn a spotlight regardless of view count. Rising stars by information density. Last Week in AI: Information density 60. Gradient Dissent: Information density 59. Y Combinator: Information density 33. The Gradient Podcast: Information density 16. Machine Learning Stree…: Information density 21. The TWIML AI Podcast: Information density 21. Information density counts named companies, people, figures, and mechanisms per minute of transcript. ## Worth your ears 1. **Last Week in AI**: 6.3K views. density 60, specificity 64, attribution 45%. [Listen](https://www.youtube.com/channel/UCKARTq-t5SPMzwtft8FWwnA) 2. **Gradient Dissent**: 22.0K views. density 59, specificity 65, attribution 43%. [Listen](https://www.youtube.com/channel/UCBp3w4DCEC64FZr4k9ROxig) 3. **Y Combinator**: 39.1K views. density 33, specificity 75, attribution 68%, track record 70% (4/5 calls). [Listen](https://www.youtube.com/channel/UCxIJaCMEptJjxmmQgGFsnCg) 4. **The Gradient Podcast**: 7.4K views. density 16, specificity 68, attribution 71%, track record 100% (3/3 calls). [Listen](https://www.youtube.com/channel/UCsRy8FnMGxtQl0y-iY7nTIg) 5. **Machine Learning Street Talk**: 612.7K views. density 21, specificity 65, attribution 68%. [Listen](https://www.youtube.com/channel/UCZHmQk67mSJgfCCTn7xBfew) 6. **The TWIML AI Podcast**: 806 views. density 21, specificity 65, attribution 67%. [Listen](https://www.youtube.com/channel/UCWtY0NYpa3hXbJprpt1qLbQ) 7. **The Cognitive Revolution**: 28.6K views. density 34, specificity 60, attribution 43%. [Listen](https://www.youtube.com/channel/UCoPTBQlwUm0m7gSbBW9wN6A) 8. **Doom Debates**: 399.4K views. density 34, specificity 57, attribution 47%, track record 33% (1/3 calls). [Listen](https://www.youtube.com/channel/UCLwop3J1O7wL-PNWGjQw8fg) How we score: every show is graded from its episode transcripts on information density (named companies, people, figures, and mechanisms per minute), specificity (concrete, checkable claims versus vague punditry), source attribution (how often a claim credits where it came from), and a prediction track record we resolve against what actually happened. The full, continuously updated board lives at [the podcast rankings](/rankings/podcasts). --- Original analysis from [startuphub.ai](https://www.startuphub.ai), the #1 AI startup directory. © StartupHub.ai. All rights reserved. You may not republish this article in full without a license. Search engines and AI research tools may crawl and summarize for reference. Bulk reproduction or model training on this content requires a license. See https://www.startuphub.ai/terms.