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Character.AI allows users to talk with AI avatars over calls ☎️

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Howdy, humans!

🧵 Here are some useful AI updates and tools we gathered today:

  • Character AI now allows users to talk with AI avatars over calls

  • Latest in tech and AI + dev resources

  • Cool AI tools + see who raised funds

  • Prompt of the day and more


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Character.AI has launched a new feature allowing users to have voice calls with AI avatars. This innovation aims to enhance user interaction by providing a more personalized and engaging experience. The feature is currently available to all users.


  • New Feature: Character.AI now supports voice calls with AI avatars.

  • User Engagement: Enhances interaction through personalized and engaging voice conversations.

  • Availability: Open to all users.

  • User Base: Tested by over 3 million users prior to public launch.

  • Development: Backed by a16z and developed by former Google AI researchers.

What we think

Character.AI's new voice call feature is a significant step towards more immersive AI interactions. It offers startup founders and engineers an exciting glimpse into the future of user engagement. This innovation could redefine how users interact with AI, making virtual experiences more human-like and engaging.


In a recent statement, Mark Zuckerberg criticized closed-source AI competitors, accusing them of trying to "create God" by centralizing AI development. He emphasized the importance of open-source AI to ensure a diverse and democratic development landscape. Zuckerberg believes that open-source approaches will better serve the public by allowing broader participation and innovation in AI. 4o

Starting July 9th, OpenAI will enforce stricter API restrictions for unsupported countries, likely affecting China, Russia, North Korea, and Iran. This move aims to curb the misuse of its AI models for propaganda and disinformation campaigns by state-backed actors. Developers will need to monitor and adjust their API usage to comply with these new restrictions to avoid penalties.

Apple has decided against integrating Meta's AI models into its devices due to privacy concerns and the potential negative impact on its image. Instead, Apple has released its own suite of AI features under the Apple Intelligence brand and formed a non-exclusive partnership with OpenAI, allowing iPhone users to access ChatGPT for certain queries. Apple remains open to collaborating with other AI models and has confirmed plans to work with Google to deploy its Gemini AI technology​.


The Verge reported a critical security flaw in the Rabbit R1's API, which exposed API keys within the codebase, potentially compromising user data. This vulnerability highlights the importance of rigorous security practices in software development. For startup founders and CTOs, this incident underscores the need for robust security protocols to protect sensitive information.

This survey delves into generative information retrieval (GenIR), a fresh take on finding information that moves away from traditional search methods to ones that create answers on the fly.

Claude 3.5 Sonnet is currently the best non-tiny large language model.


Discover mind-blowing AI tools

  1. TrustLoop

    Gather internal feedback at the most opportune times, and automatically surface actionable insights with AI.

  2. Dropbase

    An AI-powered developer platform for building custom internal tools and backend operations software.

  3. Spinach

    The AI Project Manager that saves you hours every week. Takes meeting notes, captures action items, and updates your project board.


Discover startups who just raised funds

  1. Emergence

    Emergence raises a $97.2M Round — Multi-agent systems.

  2. Klarity

    Klarity raises a $70M Series B — Document review automation.

  3. TechWolf

    TechWolf raises a $42.75M Series B — AI-powered recruitment.


Interesting tweets and posts


Biryani rice

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Recruiter onboarding

Prompt: I want you to act as a recruiter. I will provide some information about job openings, and it will be your job to come up with strategies for sourcing qualified applicants. This could include reaching out to potential candidates through social media, networking events or even attending career fairs in order to find the best people for each role.


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Sam & The Edge team

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