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ultrathink.ai
Thumbnail for: Lightspeed Raises Record $9B to Bet Big on AI
funding12/15/2025

Lightspeed's $9 Billion War Chest Signals Venture Capital's Deepening AI Conviction

Lightspeed Venture Partners just closed a record $9 billion in fresh capital, with AI startups firmly in its sights. The massive raise signals that top-tier VCs see plenty of runway left in the AI boom—and are positioning to capture it.

AIFundingVenture Capital
ultrathink.ai
Thumbnail for: Fal Triples Valuation to $4.5B in Five Months
funding12/15/2025

Fal's $140M Series D signals Sequoia's big bet on AI infrastructure for developers

In a market where AI valuations are under intense scrutiny, Fal just pulled off something remarkable: tripling its valuation to $4.5 billion in five months flat. Sequoia's leading the $140M Series D, and the numbers tell a story worth paying attention to.

AIFundingStartups
ultrathink.ai
Thumbnail for: Unconventional AI's $475M Seed Shatters Records
funding12/15/2025

Former Databricks AI Chief Raises $475M Seed at $4.5B to Build Brain-Inspired Computers

A two-month-old startup just raised $475 million at a $4.5 billion valuation. Unconventional AI, founded by former Databricks AI head Naveen Rao, is betting that the future of AI computing looks a lot more like your brain than your GPU.

AIFundingStartups
ultrathink.ai
Thumbnail for: Enterprise AI Spending Explodes to $37B
funding12/15/2025

Enterprise AI Spending Surges to $37 Billion as Startups Dominate the Application Layer

Enterprise spending on generative AI has exploded from $1.7 billion in 2023 to $37 billion in 2025, now capturing 6% of the global SaaS market. But here's the real story: startups are winning, taking $2 for every $1 incumbents earn at the application layer.

AIFundingStartups
ultrathink.ai
Thumbnail for: Cursor Ditches Their CMS
breaking12/14/2024

Cursor Ditched Sanity and Built Their Own CMS in 3 Days. Is This the Future—Or a Trap?

Lee Robinson migrated cursor.com off Sanity in 3 days for $260 using AI agents. Sanity's response reveals a fundamental tension: is vibe coding the future of infrastructure, or are we about to learn why CMSes exist the hard way?

AIDeveloper ToolsStartups
ultrathink.ai
Thumbnail for: Unsloth Makes LLM Training 2x Faster
analysis12/14/2024

How a YC Startup Built LLM Training That's 2x Faster—And Runs on Your Gaming PC

A YC startup with 43,000+ GitHub stars just made fine-tuning LLMs accessible to everyone. Unsloth delivers 2x faster training with 70% less VRAM—and it's completely open source.

AIOpen SourceStartups
ultrathink.ai
Thumbnail for: Thinking Machines Lab Launches Tinker
breaking12/14/2024

Mira Murati's Thinking Machines Lab Launches Tinker, Democratizing AI Fine-Tuning for Everyone

Mira Murati's new AI startup just dropped its first product—and it's a direct challenge to the closed-model orthodoxy. Tinker gives researchers the keys to fine-tune frontier models.

AIStartupsOpen Source