Tech
Mem0 raises $24M from YC, Peak XV and Basis Set to build the memory layer for AI apps
Taranjeet Singh (pictured right) has launched six companies, with some failing and others seeing varying degrees of success. His seventh, Mem0, could be his defining one.
The startup starts with the premise that large language models can’t remember past interactions the way humans do. If two people are chatting and the connection drops, they can resume the conversation. AI models, by contrast, forget everything and start from scratch.
Mem0 fixes that. Singh calls it a “memory passport,” where your AI memory travels with you across apps and agents, just like email or logins do today. The YC-backed startup, launched in January 2024, has raised $24 million ($3.9 million in previously unannounced seed funding and a $20 million Series A.)
AI-focused early-stage fund Basis Set Ventures led the Series A, with participation from existing investors Kindred Ventures and Y Combinator, as well as new backers including Peak XV Partners and the GitHub Fund.
Notable angels include Dharmesh Shah (HubSpot), Scott Belsky (ex-CPO Adobe), Olivier Pomel (Datadog), Thomas Dohmke (ex-CEO GitHub), Paul Copplestone (Supabase), James Hawkins (PostHog), Lukas Biewald (Weights & Biases), Brian Balfour (Reforge), Philip Rathle (Neo4j), and Jennifer Taylor (former President, Plaid).
Having several leaders who helped shape the modern software ecosystem bet on Mem0 (pronounced “mem zero”) underscores its promise, and the traction from the four-person team backs it up.
So far, the open-source API, which claims to be the most widely adopted memory framework for AI developers, has surpassed 41,000 GitHub stars and recorded over 13 million Python package downloads. In Q1 2025, Mem0 processed 35 million API calls. By Q3, that number jumped to 186 million, growing roughly 30% month over month.
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Beyond open-source adoption, more than 80,000 developers have signed up for its cloud service. Mem0’s cloud API now handles more memory operations than any other provider and serves as the exclusive memory provider for AWS’s new Agent SDK.
In early 2023, Singh was still in Bangalore, India. He started his career as a software engineer at Paytm, one of India’s most valuable startups, before becoming Khatabook’s first growth engineer. He quit in late 2022, just as the ChatGPT wave was about to crest, and built one of the first GPT app stores, which scaled to over a million users.
That experience led him to create Embedchain, an open-source project that lets developers index, retrieve, and sync unstructured data. As the project took off, earning more than 8,000 GitHub stars, Singh sent over 200 cold emails to founders, investors, and engineers in Silicon Valley.
“I reached out to almost every famous tech entrepreneur that you might have heard of and was quite persistent. Some of them responded, and after hearing us out, scheduled us to fly from Bangalore to San Francisco within 36 hours,” Singh said.
Once in the U.S., Singh reconnected with his longtime friend and now co-founder and CTO, Deshraj Yadav, who had led the AI Platform at Tesla Autopilot. Together, they had previously built EvalAI, an open-source Kaggle alternative that grew to 1.6K GitHub stars.
While experimenting with Embedchain, the duo launched a meditation app inspired by Indian yogi Sadhguru. The app went viral in India, but Singh says users kept sharing the same feedback: “Hey, I’m on this meditative journey, but the app doesn’t remember that.” So they pivoted from Embedchain to Mem0 to solve that problem.
The idea of memory for AI isn’t new, but it’s quickly becoming a critical battleground. OpenAI, for instance, began testing long-term memory features in ChatGPT in early 2024, and its CEO, Sam Altman, has hinted that persistent memory will be central to OpenAI’s upcoming hardware device. Other AI labs are also launching experimental memory systems for their agents.
Singh argues that while big AI labs are building memory systems, they have little incentive to make them portable or interoperable. “Memory is becoming one of their key moats now that LLMs are getting commoditized,” he said.
He explains that while consumers can enjoy persistent, personalized experiences in ChatGPT, developers who want to build applications — say, a finance companion that remembers a user’s trading history — need an open, neutral solution like Mem0.
“We want developers to offer day-one personalization through a shared memory network,” Singh said. “Think of it as Plaid for memory. That’s act two. For now, we’re laser-focused on building the best memory product possible.”
Mem0’s framework lets developers store, retrieve, and evolve user memory across models, applications, and platforms. It’s model-agnostic, compatible with OpenAI, Anthropic, or any open-source LLM, and integrates directly with frameworks like LangChain and LlamaIndex.
Developers use Mem0 to create applications that grow smarter with every interaction: therapy bots that recall past conversations, productivity agents that remember personal habits, and AI companions that adapt over time. Customers range from indie developers to enterprise teams building copilots and automation tools.
“We backed Mem0 from its earliest days — even before YC — because memory is foundational to the future of AI,” said Lan Xuezhao, founder and partner at Basis Set Ventures. “We’re doubling down as the team continues to tackle one of the hardest and most important infrastructure challenges: enabling AI systems to build lasting, contextual memory.”
Other early-stage startups in the memory space include Supermemory (whose founder briefly worked at Mem0), Felicis-backed Letta, and Memories.ai.
Tech
Waymo starts autonomous testing in Philadelphia
Waymo is adding another four cities to its growing list of robotaxi rollouts. The company announced Wednesday it has begun testing its autonomous vehicles (with a safety monitor) in Philadelphia, and that it will start manual driving to collect data in Baltimore, St. Louis, and Pittsburgh.
Waymo did not offer a timeline for when it plans to launch commercial services in those locations, nor do we know whether the Alphabet-owned company will partner with other companies to operate robotaxis in each one. That has been the move in cities like Atlanta and Austin, for example, where Waymo has partnered with Uber to advance its robotaxi rollout.
But the new locations join a list of over 20 cities where the company is either offering rides, prepping a commercial launch, or testing. Waymo is also now offering rides on freeways in Los Angeles, Phoenix, and the San Francisco Bay Area. The company plans to be doing one million rides per week by the end of 2026.
Waymo has done all this while claiming to be operating at a level five times safer than humans, according to data the company recently released.
But the expansion has not come without its issues. The National Highway Traffic Safety Administration is investigating how the company’s vehicles operate near school buses, after a Waymo was filmed driving around a stopped bus in Atlanta in September.
This week, Austin news outlet KXAN published a report showing Waymo’s vehicles have driven past school buses that were in the process of unloading or loading children multiple times — including after Waymo claims to have shipped software updates to address the problem.
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Tech
Spotify Wrapped 2025 adds its first multiplayer feature with ‘Wrapped Party’
Spotify Wrapped is back. After last year’s widely criticized flop that included an AI podcast as its highlight, the streamer’s highly anticipated annual review feature has returned to its roots. This year, Spotify is doubling down on what it knows works best: deep dives into your streaming data, creative experiences, messages from favorite artists, and other social features.
The company claims that Wrapped 2025 is its biggest, as it’s introducing nearly a dozen new features in addition to its old standbys, like top songs and artists. Plus, it’s offering more visibility into users’ data than in years past. For the first time, Spotify Wrapped is adding a live multiplayer feature to compare your listening data with friends.
Wrapped Party, Wrapped’s first live interactive experience, allows you to invite up to nine friends to compare listening stats.

Also new this year, your Top Songs Playlist will include the play counts for each of the top songs, so you can actually see how much time you spent with your favorite tracks.
Other standout features this year include an interactive Top Song Quiz, a Listening Age feature, and Wrapped Clubs, which match you to one of six unique listening styles.
The company believes these additions will not only bring back the personalized, engaging experience that users have long expected from Wrapped, but will take it a step further by making it more interactive than before.
In the Top Song Quiz, for instance, you can try to guess which top song soundtracked your year before seeing the results.
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The new interactive Wrapped Party feature isn’t just about comparing the personal streaming data you’ve already received to your friends’ data, as that’s something people already do on social media. Instead, the feature presents unique data stories for your group, like who’s the “most obsessed fan,” the “early bird,” the most “picky listener,” or even something as nice as the “dinner table explainer,” meaning the person who listens to the most news podcasts.

Spotify says these awards update dynamically every time you join a Wrapped Party, so no two sessions are ever the same — even if you run through them again with the same group of friends.
The new Wrapped Clubs, meanwhile, will group you into one of half a dozen listening styles, like the “Soft Hearts Club,” the “Club Serotonin,” the “Full Charge Crew,” the “Cosmic Stereo Club,” and others. You’ll also receive a role in the club based on your listening data. You might be a club leader if your listening choices strongly matches the club’s values, a scout if you’re always seeking out new releases, or an archivist if you listen to music from past eras.

Another feature, Listening Age, compares your 2025 music listening to others in your age group. To calculate your age, the feature considers the release years of the tracks you listen to most. From there, it identifies the five-year span of music that you engaged with more than other listeners your age.

As in prior years, you’ll see your top songs, top artists, top genres, and, for the first time, top albums. If you engaged with audiobooks and podcasts, you’ll see metrics for those as well. Artists, writers, and podcasters will have their own version of Wrapped as before. And top fans will again receive video messages from their favorite artists, podcasters, and, now, authors.
You’ll also receive a playlist of your top songs of the year, as before.

What you won’t find in this year’s Wrapped is any feature that advertises it was made with AI.
In a press briefing on Tuesday, Spotify’s Senior Director of Global Marketing, Matt Luhks, admitted the company received a “lot of feedback” about its 2024 AI-focused Wrapped experience, saying it was a “mix of positive and ‘more constructive feedback,’” despite the feature driving more engagement than prior years.
“We take all of that in. We use that as information, insights, [and] inspiration for how we approached Wrapped this year,” he said in a press event ahead of today’s launch.
“What our users tell us about Wrapped means a lot to us, so it was really informative in how we approached Wrapped this year. And what we tried to build was the most creative, most innovative, most engaging Wrapped ever,” he added, setting a high bar for the 2025 edition of the now 11-year-old annual year-in-review feature.
“We’re the original and, we believe, still the best,” Luhks said.

Still, AI was a part of the Wrapped experience. Though the company claims the overall experience was not made with AI, it does leverage a LLM (large language model) to add a storytelling layer to Wrapped’s facts and figures, and natural language summaries in other parts of its experience, looking back on your data.
Spotify’s attempt to fix Wrapped after a notable stumble comes as the streamer faces increased competition from Apple, Amazon, YouTube, and others, which have all launched their own annual review features, inspired by Wrapped.
“Everyone seems to have their own version of Wrapped. Now, there’s a lot of reviews and replays and rewinds out there, but we believe that Wrapped still sets the bar for these year-end recaps,” Luhks said.
Along with the consumer experience, Spotify shared its top artists, songs, albums, podcasts, and audiobooks for the year, with top winners that included, respectively, Bad Bunny (top song and album), Joe Rogan (“The Joe Rogan Experience” podcast), and Rebeca Yarros (author of “Fourth Wing”).
Tech
Nothing looks to its community to raise $5M, wants to be ‘IPO-ready’ in 3 years
Hardware maker Nothing is letting its user base buy its stock as part of a new community investment round of $5 million. The new round, which opens on December 10, will enable consumers to buy the company’s shares at its Series C valuation of $1.3 billion.
The company said it has so far raised $8 million in total from over 8,000 people across two previous community investment rounds. It held its first community funding event in 2021, aiming to raise $1.5 million.
“This isn’t about raising capital, it’s about giving our community/fans a chance to invest while we’re private and join us on the journey,” a spokesperson for Nothing told TechCrunch.
Community investors have a rotating seat on the company’s board, but it is unclear what else they get for investing in the company through such rounds.
Nothing raised $200 million in its Series C back in September from investors including Tiger Global, GV, Highland Europe, EQT, Latitude, I2BF and Tapestry. The company has raised $450 million to date.
The community round comes as Nothing makes changes to its corporate structure as it tries to increase its share of a smartphone market dominated by giants like Samsung and Apple. The company is spinning off its budget CMF brand, and plans to explore AI-centric devices while it keeps building smartphones and audio products. And Nothing claims it crossed $1 billion in cumulative revenue this year, up 150% from 2024.
The startup is working to be “IPO-ready” in three years, CEO Carl Pei told TechCrunch in an email. “The timing will depend on market conditions and what makes sense for the business at that point in time,” he said.
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“What’s important is that we’re already operating with that discipline now. We’re building the systems, the governance, the financial discipline that a public company needs. It forces us to think longer-term and make smarter decisions that prioritise sustainable growth,” Pei added.
It’s not clear if Nothing aims to raise another round before an IPO. When asked about its fundraising plans, a Nothing spokesperson said the company is not thinking about raising capital immediately, but it wouldn’t be averse to those conversations.
Those interested in investing in the community round can use platforms like Wefunder and Crowdcube to participate.
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