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YC SAFE News

The Simple Agreement for Future Equity, or SAFE, has become a standard way for early-stage startups to raise money. Here you will find articles about how SAFEs work in practice, changes to common terms, and debates among founders and investors about early-stage fundraising.

Typical stories explain valuation caps, discounts, and dilution in plain language, or report on how market conditions push standard terms up or down. Cautionary tales appear as well, often about founders who stacked too many SAFEs and only discovered the ownership consequences at their priced round.

Fundraising mechanics may sound dry, but they decide who owns how much of a company when the stakes get high. First-time founders, angel investors, and startup lawyers all follow this topic because a single misunderstood clause can be worth millions later on.

VibeThinker: 3B param model that beats Opus 4.5 on reasoning with novel SFT+GRPO
2026-06-23

Researchers have unveiled VibeThinker-3B, a three-billion parameter small language model that outperforms Opus 4.5 in complex reasoning tasks. The model achieves this frontier-level performance through a novel training approach combining supervised fine-tuning with group relative policy optimization. This breakthrough highlights the growing capability of compact models to execute verifiable reasoning without relying on massive parameter counts.

The Coming Loop
2026-06-23

This piece examines the growing ecosystem of wearable tech accessories, with a specific focus on the design and utility of modern loops and harnesses. It explores how these innovative strap systems are becoming increasingly practical, ultimately proving versatile enough to win over even the most skeptical potential buyers.

Unlimited OCR: One-shot long-horizon parsing
2026-06-23

Baidu has released Unlimited OCR, an advanced optical character recognition tool capable of one-shot long-horizon parsing for exceptionally long documents. This new model processes complex layouts and extracts text in a single pass, eliminating the need for document chunking and significantly improving large-scale digitization efficiency.

Fired by Google for creating the Google workspace CLI
2026-06-23

A developer was fired by Google after creating a Google Workspace CLI tool that rapidly went viral on Hacker News and GitHub. The creator described the aftermath of the project's massive success as a confusing journey that ultimately involved high-level company leadership.

Will It Mythos?
2026-06-23

The article investigates whether the restricted large language model Mythos is truly uniquely capable of finding complex security bugs compared to other models. Drawing on experience with a custom automated bug-hunting tool, the author evaluates how different LLMs perform at identifying vulnerabilities to determine if Mythos's exclusive reputation is justified.

Plotnine
2026-06-23

The Python data visualization library Plotnine is preparing for its upcoming 0.16 release, introducing new capabilities that are currently available via a pre-release build. The update prompted a lengthy community discussion regarding data visualization best practices, specifically focusing on the effectiveness of violin plots featured on the project homepage. Many participating developers criticized violin plots in favor of alternative distribution visualizations, advocating for the use of strip, swarm, and raincloud plots instead.

In praise of memcached
2026-06-23

Prompted by an article praising Memcached, engineers are debating the merits of using simple, volatile caching versus feature-rich databases like Redis that often struggle when combining persistence with caching. While many developers favor Memcached for its straightforward approach to avoid complex Redis outages, others argue that growing teams inevitably require advanced data structures regardless of the initial choice. Ultimately, the discussion highlights that avoiding production issues like cache stampedes relies more on sound architectural design and abstraction than the specific caching technology employed.

The Low-Tech AI of Elden Ring
2026-06-23

Discussions surrounding the low-tech AI of Elden Ring reveal that the game's notoriously cryptic NPC questlines are built on primitive custom bytecode systems and early behavior tree implementations. These strict technical limitations result in janky design choices, such as requiring players to repeatedly exhaust dialogue to advance a quest. However, players and the market ultimately reward this abstruse approach, as it creates a deeply immersive world where NPCs feel driven by their own independent goals rather than serving as mere utilities.

Millimeter wave technology drills 100 meters into granite
2026-06-23

Quaise Energy has successfully drilled 100 meters into solid granite using its millimeter wave technology. This major milestone advances the development of superhot geothermal energy systems by demonstrating a viable alternative to traditional mechanical drilling.

Polymarket has flooded social media with deceptive videos by paid creators
2026-06-23

Prediction market platform Polymarket is reportedly saturating social media feeds with deceptive promotional videos produced by paid content creators. This aggressive marketing strategy has sparked concerns regarding the manipulation of online discourse and the exploitation of influencer networks to artificially inflate the platform's visibility.

Five monitors on a Commodore 128 [video]
2026-06-23

A newly shared video demonstrates a custom multi-monitor setup featuring five displays connected to a vintage Commodore 128. This nostalgic tech project highlights the unique hardware capabilities of the classic 8-bit computer when pushed far beyond its original design limitations.

The deadly rise of giant trucks and SUVs
2026-06-23

A Times investigation reveals that the rising popularity of giant trucks and SUVs on American roads is directly responsible for a deadly surge in pedestrian fatalities. As these vehicles continue to grow larger, they pose an escalating threat to pedestrian safety nationwide.

Mistral OCR 4
2026-06-23

Mistral has launched OCR 4, an enterprise document AI model designed to process text across 170 languages. The new release features precise bounding box capabilities and supports self-hosted deployments. This gives organizations greater control and security over their data processing.

F* file system – file search that reads SSD directly bypassing OS kernel
2026-06-23

A new command-line tool named ffs enables rapid file searches by reading SSDs directly and completely bypassing the operating system kernel. This direct-access approach circumvents traditional system overhead to provide a highly efficient method for locating files.

Dirty Little Zine – a tool for making an 8 page printable Zine
2026-06-23

Dirty Little Zine is a free browser-based editor that allows users to design eight-page printable zines from a single sheet of paper by uploading photos and adding captions. Creators can then export their finished layouts as high-resolution PDF or JPG files in either US Letter or A4 formats for easy physical printing.

Extreme Heat conference cancelled due to extreme heat warning
2026-06-23

The upcoming Extreme Heat conference has been cancelled due to a red extreme heat warning issued by the UK Met Office. Organizers expressed regret over the decision, citing the severe weather conditions.

Madison Square Garden compiled a list of activists against facial recognition
2026-06-23

Madison Square Garden compiled a document to track individuals who have publicly criticized its facial recognition program. The file logs specific comments and tweets from activists opposing the venue's use of the technology.

Cyberdecks, going analog, and convivial technology
2026-06-23

A growing movement of users is rejecting corporate-controlled devices in favor of building their own custom cyberdecks, a DIY trend increasingly driven by women. This push toward convivial technology draws historical parallels to medieval guilds, the Luddites, and the Arts and Crafts movement, reflecting a broader desire for meaningful, self-directed interactions with our tools.

OpenAI DayBreak – GPT-5.5-Cyber
2026-06-23

OpenAI has launched its new DayBreak cybersecurity suite, introducing the specialized GPT-5.5-Cyber model and Codex Security. These tools are designed to help enterprises identify, validate, and patch software vulnerabilities at scale.

Samsung demonstrates 3D stacked FETs with triple nanosheet channels at 42nm
2026-06-23

Samsung Electronics presented 3D stacked FETs featuring triple nanosheet channels at a 42nm gate pitch for advanced logic applications. The technology was unveiled at the 2026 VLSI Symposium, highlighting the company's progress in next-generation semiconductor design.