Top startups

Ramp offers corporate credit cards and financial management software, with its valuation jumping to $32 billion in November 2025. This reflects its rapid growth and significant impact in the business-to-business banking sector.

Heirloom builds direct air capture (DAC) facilities that remove CO2 from the atmosphere, with its first commercial facility now operational. It has secured significant offtake agreements, demonstrating DAC's transition to deployment in 2026.

OpenAI continues to lead in frontier AI models, including ChatGPT and DALL-E, and is projected to generate $12.7 billion in revenue in 2026. Its Stargate initiative, launched in January 2025, further solidifies its position in AI infrastructure.

xAI, founded by Elon Musk, closed a significant $20 billion+ funding round in January 2026, indicating strong investor confidence and rapid growth. Its conversational AI, Grok, offers real-time information access from the 𝕏 platform.

Anthropic is known for its safety-focused AI and the Claude family of AI assistants, with Claude Sonnet 4.6 released in early 2026. It raised an unprecedented $30 billion Series G round in February 2026, demonstrating massive investor confidence.

Form Energy is addressing the critical challenge of multi-day renewable energy storage with its long-duration iron-air batteries. Its manufacturing facility in West Virginia is already producing, making it highly relevant for 2026.

Sublime Systems is producing low-carbon cement using an electrochemical process, a high-leverage climate action. It is recognized as a leading credible solution for decarbonizing cement production in 2026.

Stripe continues to be a foundational platform for online businesses, providing essential payment processing infrastructure. Its valuation hit $17 billion in 2025, maintaining its status as a payments giant.

Hippocratic AI creates non-diagnostic AI agents for patient-facing and operational tasks in healthcare, reporting over 150 million clinical interactions. It raised $126 million in Series C funding in 2025 and acquired Grove AI in early 2026.

Overjet builds AI tools to standardize dental diagnoses and bring transparency to treatment costs. It launched IRIS, an AI-powered imaging software, in November 2025, which is already used by over 1000 clinics.

Preply is a fast-growing one-to-one language tutoring service that raised a $150 million Series D round in January 2026. It reached a valuation of $1.2 billion, with 100,000 tutors teaching millions of learners.

Cohere develops large language models specifically for enterprise use, including generative and retrieval models. It raised $500 million in August 2025 at a $6.8 billion valuation, positioning itself as a key player in enterprise AI solutions.

Replit is a collaborative, browser-based platform for software development featuring an integrated AI coding assistant. It offers an all-in-one environment for developers to write, deploy, and host applications, enhancing productivity with AI.

Gusto provides a comprehensive HR platform covering payroll, benefits, and HR management for businesses. It is recognized as a top tech startup to work for in 2026 with a valuation over $1 billion, indicating strong growth and employee satisfaction.

Astranis focuses on building small, low-cost geostationary communications satellites to connect the unconnected. Valued over $1 billion and recognized for strong hiring growth, it's contributing to global connectivity.