Cast Insights has closed a $4.5 million pre-seed round to accelerate the global rollout of its AI platform for analyzing ephemeral spoken content. The San Francisco startup says the financing will help it ingest and index public audio in real time from podcasts, radio and TV broadcasts.
Funding details
The pre-seed round, dated July 23, 2026, was led by Abstract Ventures with participation from HF0, Village Global, Max Ventures, Embassy Ventures and Stratus Ventures. Total proceeds: $4.5 million. The raise is positioned primarily to support technical scaling and expand the company’s data ingestion capacity.
What Cast Insights does
Founded in 2025 by Otávio Costa Miranda and based in San Francisco, Cast Insights offers an AI-driven platform that indexes spoken audio from public sources—podcasts, radio stations and television—to extract actionable signals. The tool identifies convergences and divergences in public narratives to help institutional decision-makers, including investors and public policy teams, spot emerging trends before they reach market consensus.
Use of funds and immediate goals
The company says the capital will accelerate large-scale ingestion and analysis of publicly accessible spoken content. That includes strengthening platform engineering, increasing the volume of sources processed, and improving real-time intelligence delivery on rapidly changing topics.
Why ephemeral-speech analysis matters
Systematic extraction of information from ephemeral public speech helps capture weak signals—new narratives, opinion shifts and emerging themes—before they materialize as measurable market trends or policy actions. Cast Insights is positioning itself on speed and scale to turn spoken audio into competitive intelligence and early-warning insight.
Next steps
Cast Insights plans to publish further details and product offerings on its website: https://castinsights.com.

