What if you could compress years of startup growth into just 12 weeks? Andreessen Horowitz’s premier accelerator program makes this ambitious goal a reality for select founders worldwide.
This intensive program targets pre-seed and seed-stage companies ready for rapid scaling. Participants receive up to $1 million in funding plus $5 million in credits for essential services.
The experience culminates in a legendary Demo Day in San Francisco. Over 1,000 investors attend this exclusive event where founders pitch their refined business models.
Acceptance remains highly competitive with only 60-70 companies per batch. Successful graduates often achieve significant revenue and funding before even completing the program.
Key Takeaways
- Andreessen Horowitz’s accelerator invests in pre-seed and seed-stage startups
- Program offers up to $1M funding plus $5M in credits for AI and infrastructure
- 12-week intensive curriculum culminates in Demo Day with 1,000+ investors
- Global founders welcome with visa support for San Francisco attendance
- Extremely competitive selection with small batches of 60-70 companies
- Provides access to extensive network and investor credibility
- Companies often achieve significant ARR and traction before program completion
What Is the a16z Speedrun Program?
This intensive accelerator transforms early-stage ventures through focused mentorship and capital infusion. It’s designed for companies ready to accelerate their growth trajectory.

Program Structure and Duration
The program runs for 12 intensive weeks in San Francisco. Founders must commit to full-time participation throughout the entire duration.
Weekly sessions include expert workshops and one-on-one mentoring. Key milestones include Progress Day checkpoints and the final Demo Day presentation.
This immersive experience creates unparalleled networking opportunities. Participants gain direct access to successful entrepreneurs and industry leaders.
Funding and Equity Details
The program offers $500,000 in upfront funding for 10% equity. This investment uses standard SAFE notes commonly seen in early-stage deals.
Participants also receive pro-rata rights for future financing rounds. There are no additional program fees or hidden costs.
Companies gain over $5 million in credits from top service providers. These include AWS cloud services and OpenAI artificial intelligence tools.
Eligibility and Focus Areas
The accelerator targets pre-seed and seed-stage companies worldwide. Applicants must demonstrate product prototypes or early market traction.
Focus areas include artificial intelligence, gaming, and entertainment technology. The program also welcomes XR/VR applications and professional consumer tools.
Solo founders receive consideration if they show strong vision and execution capability. The selection process emphasizes team quality and domain expertise.
Each cohort accepts approximately 65 companies from thousands of applications. This represents an acceptance rate below 1%, making it highly competitive.
Successful applicants often demonstrate significant revenue potential before joining. Some participants achieve substantial annual recurring revenue during the program.
How to Apply to a16z Speedrun
Getting into this elite program requires careful preparation and strategic timing. The application process tests both your current progress and future potential.
Application Process Steps
Submit your materials through the official online portal. You need a pitch deck, product demo, and key metrics.
The selection team reviews thousands of submissions. They look for clear evidence of progress and market understanding.
Successful applicants advance to interviews with program partners. These conversations test your vision and adaptability.
Final offers come through standard investment documents. Accepted teams receive detailed onboarding instructions.
Key Factors for a Successful Application
Show real user adoption or early revenue numbers. Concrete metrics prove your concept works in the market.
Demonstrate deep knowledge of your industry. Founders with domain expertise stand out immediately.
Present a bold but achievable long-term vision. Investors want to see massive growth potential.
Keep your communication simple and direct. Complex explanations often confuse rather than convince.
Align your project with the program’s focus areas. AI, gaming, and consumer tools receive particular attention.
Show you can accept feedback and implement changes quickly. Coachability matters as much as initial concept.
Deadlines and Important Dates
Mark September 25, 2026, for the January cohort. Late submissions rarely receive consideration.
Prepare for immediate relocation to San Francisco if accepted. The program requires full-time in-person participation.
Network referrals can improve your chances significantly. Connect with alumni or venture partners for introductions.
Use available resources like pitch templates and financial models. Proper preparation makes your application stronger.
Some founders apply multiple times with improved traction. Persistence often pays off in subsequent attempts.
Benefits Beyond Capital: Why Join a16z Speedrun
The true power of this accelerator extends far beyond the initial check. Participants gain access to resources that typically take years to build independently.

Mentorship and Network Access
Founders receive direct guidance from top industry leaders. Partners like Andrew Chen and Robin Guo provide hands-on coaching.
They cover product development and marketing strategies. This expert advice helps teams refine their approach quickly.
The program connects you with over 2,000 portfolio companies. This network opens doors to potential customers and partners.
You gain immediate access to talent pools and investor circles. These connections prove invaluable for rapid scaling.
Credibility and Investor Connections
The Andreessen Horowitz name carries significant weight. This association builds instant trust with potential investors.
Many teams secure funding before their Demo Day presentation. The brand recognition accelerates fundraising efforts.
Hiring becomes easier with this credential on your resume. Top talent seeks opportunities with program alumni.
Companies like Zero Billion achieved $2M revenue during the program. This traction demonstrates the power of investor confidence.
Post-Program Support and Resources
Graduates continue receiving support long after the 12 weeks. The alumni network provides ongoing collaboration opportunities.
You get $5M+ in credits from partners like NVIDIA and AWS. These tools help scale your infrastructure without extra costs.
The program offers follow-on investment opportunities. Partners often participate in subsequent funding rounds.
Ryan K. Rigney calls these “unfair advantages” for growth. Big customer introductions can transform your business trajectory.
Founders should leverage these resources for long-term success. The network serves future rounds and expansion plans.
Conclusion
Global innovators with bold visions find their perfect launchpad in this intensive San Francisco-based program. The 12-week accelerator provides unmatched access to top investors and mentors worldwide.
Founders gain crucial funding and credits while building traction before Demo Day. This program welcomes diverse teams, including solo founders with strong domain expertise.
Success stories show companies achieving significant revenue during the program. The network and credibility boost long-term growth beyond initial capital.
Apply with clear metrics and ambition to join this transformative experience. It shapes startups into industry leaders across AI, gaming, and entertainment sectors.
FAQ
What is the a16z Speedrun program?
The a16z Speedrun is an accelerator program from Andreessen Horowitz designed to help early-stage founders rapidly build and launch their startups. It provides funding, mentorship, and resources over a short, intensive period.
How long does the Speedrun program last?
The program typically runs for several weeks, focusing on fast-paced development, product iteration, and preparation for Demo Day and fundraising.
What kind of funding and equity terms does a16z Speedrun offer?
Participants receive pre-seed or seed funding in exchange for equity. Specific terms vary by cohort and startup, but the program is structured to provide fair capital in alignment with stage-appropriate valuations.
Who is eligible to apply for a16z Speedrun?
The program is open to ambitious founders working on software, technology, or innovative product ideas. Both solo founders and teams are encouraged to apply, with a focus on those demonstrating vision and execution potential.
How can I apply to the a16z Speedrun accelerator?
You can apply through the official Andreessen Horowitz website during open application periods. The process typically involves submitting details about your idea, team, and progress.
What are the key factors for a successful application?
Strong applications often highlight a clear vision, early traction or prototype development, a dedicated team, and a large market opportunity. Demonstrating rapid execution ability is also highly valued.
What are the benefits of joining beyond funding?
Beyond capital, the program offers access to Andreessen Horowitz’s extensive network, mentorship from experienced partners and operators, investor introductions, and ongoing support post-graduation.
Does the program accept solo founders?
Yes, solo founders are welcome to apply. The program evaluates the strength of the idea, the founder’s capability, and the potential for impact regardless of team size.
What happens after the program ends?
Graduates continue to receive support from Andreessen Horowitz, including assistance with fundraising, growth strategy, and access to the firm’s network of investors, customers, and talent.




