Accelerator
a16z's accelerator: up to $1M, $10M+ in credits and a 12-week in-person program in San Francisco.
a16z speedrun
a16z speedrun is a startup accelerator program by Andreessen Horowitz, launched in 2023. It invests in pre-seed and seed-stage startups and provides extensive resources to help founders develop their businesses rapidly.
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Overview
a16z speedrun is a startup accelerator program created by Andreessen Horowitz in 2023. The program is designed to support pre-seed and seed-stage startups by providing up to $1 million in investment and over $5 million in credits, including for AI compute. It features an intensive 12-week in-person course held in San Francisco, where founders can rapidly develop their businesses. Each cohort typically includes around 65 startups and culminates in a Demo Day attended by over 1,000 investors, focusing on high-traction opportunities.
Focus
speedrun funds early-stage teams that can build in house (usually with a technical cofounder), from any background or country, with a focus on AI, games and consumer products. Companies that have already raised can apply; founders must commit full time and attend in San Francisco.
Support
- $500K for 10% on a SAFE upfront plus $500K in the next round within 18 months; pro rata rights; no board seat; no fee.
- More than $10M in partner credits (AWS, GCP, OpenAI, Anthropic, Microsoft, NVIDIA, Stripe and others).
- In-house recruiting, business development and marketing programs (Launch Lab, Brand Lab, Creator Connect, Press Club).
- Demo Day and an online platform reaching 1,000+ early-stage investors.
- Global Founders Program for visas, banking and relocation; speedrun Talent Network for hiring.
Questions
Who can apply?
Speedrun says it welcomes early-stage founders from around the world. (Claims 134905, 134906)
What kinds of startups does it support?
In March 2025, a16z described speedrun as supporting technology and entertainment startups. This is a dated description, not confirmation of current sector exclusions. (Claim 134907)
What operating support is advertised?
Speedrun advertises advisory help with partnerships, sales, and go-to-market execution. (Claim 134909)
Check your startup’s fit
Check your startup’s fit with a16z speedrunFrom public sources
What the sources say about a16z speedrun
Speedrun advertises advisory help with partnerships, sales, and go-to-market execution.
Source: speedrun perksIn March 2025, a16z described speedrun as supporting technology and entertainment startups.
Source: Meet the new a16z speedrun!Speedrun says founders worldwide may apply.
Source: speedrun FAQSpeedrun says it welcomes early-stage founders.
Source: speedrun FAQ
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