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14,448 startups · 29 programs

a16z speedrun

Andreessen Horowitz · Pre-seed and seed, AI, games, consumer and more; 12 weeks in San Francisco

ApplyPortfolio
Next deadline
Rolling
Applications are always open
Next batch
Jan 2027
Official · in 8w
Offer
Up to $1,000,000
$500K for 10% on a SAFE + $500K in the next round
Batches a year
2
327 companies tracked

What it offers

Terms
speedrun invests $500K for 10% upfront in a SAFE and another $500K in your next round within 18 months, plus $10M+ in partner credits. It asks for pro rata rights and takes no board seat. Source
Where
San Francisco
Cadence
Two cohorts a year in San Francisco, 12 weeks each
Acceptance rate
under 0.4% (2026)
Teams per recent cohort
60 to 70 (2026)
Startups funded since 2023
300+ (2026)

Batches and deadlines

a16z speedrun batches, upcoming first, with deadlines and company counts
BatchStarts
Coming up
SR008runs late January through April 2027; no deadline published; off-cycle applications are reviewed for the upcoming cohortJan 2027in 7 weeks
Earlier
SR007summer + fall 2026 San Francisco cohort; deadline May 17, 2026 at 11:59 PM PT; demo day date from speedrun.a16z.com/demo-dayDeadline May 17n/a
SR006cohort label from the companies page; dates not publishedn/a
SR005cohort label from the companies page; dates not publishedn/a
SR004cohort label from the companies page; dates not publishedn/a
SR003cohort label from the companies page; dates not publishedn/a
SR002cohort label from the companies page; dates not publishedn/a
SR001cohort label from the companies page; dates not publishedn/a

a16z speedrun companies, rising first

AIMetalMetal is an AI-driven operating system for fundraisingYC W23LahoreStartup →AInunu.aiBuilding the first multimodal agents to play and test games.YC W23ZHStartup →AIKeewanoThe first database built for machine reasoning at scale, giving agents the context to answer questions traditional databases were never designed to handle.speedrun SR003Tel AvivStartup →AINexxa.aiSpecialized AI for Heavy Industriesspeedrun SR005SunnyvaleStartup →AIRehearsalsPredict your customers’ behavior by simulating real people.speedrun SR004New YorkStartup →AIscaledrive.aiPhysical AI that unlocks the full potential of autonomous robots.speedrun SR007San JoseStartup →AIEcho ChunkAI Strategy Games that Generate Themselves. Starting with Echo Chess: the viral "Wordle for Chess"speedrun SR003San FranciscoStartup →AISmart BricksThe Smarter Way to Invest in Residential Real Estate - Powered by AI.500 Global MENA 8United Arab EmiratesStartup →AIRosebud AIVibe code games.YC S19San FranciscoStartup →OtherSweatPalsWe are turning every corner of the world into a social fitness community.speedrun SR004AustinStartup →Other2weeksMaking breakout hits on the open web for you and your friends.speedrun SR003New YorkStartup →AIAbliteration.aiUnrestricted LLMs for cybersecurity, agent testing, and defense, $7M ARR and grew 8x last month.speedrun SR007Palo AltoStartup →AIAcaysiaReal-time AI control layer to optimize industrial reactors.speedrun SR007San FranciscoStartup →AIAcceler8AI for Workforce Intelligence & Planning (2x founder who raised $80M, F500 customers)speedrun SR006San FranciscoStartup →AIAdvocateThe AI chief of staff for families with aging parents. 2x founder. ex McKinsey, AWS AI, & Senior care professionals.speedrun SR006New YorkStartup →OtherAdzapMobile-grade performance and attribution solution for PC/Console gamesspeedrun SR003Los AngelesStartup →AIAgent AstraWe are building the next AI-native logistics group.speedrun SR005New YorkStartup →AIAgentCatSession replay and observability for AI agents across MCP, Claude Connectors, and ChatGPT Apps.speedrun SR007New York CityStartup →OtherAghanimAghanim is an integrated commerce, live-ops automation, community engagement, and payments platform for mobile games.speedrun SR002Los AngelesStartup →AIAliaAgents that coordinate teams towards company goalsspeedrun SR007San FranciscoStartup →AIAlikeMake your agents across your teams act as one steerable, observable swarmspeedrun SR006San FranciscoStartup →OtherAlpaka GamesCreating the next generation of hit Action mobile gamesspeedrun SR004IstanbulStartup →AIAlvenAlven is an AI employee that replaces the need for human property managersspeedrun SR007San FranciscoStartup →AIAmbiguous AIThe workspace built for human-AI collaboration. 17 productivity apps reimagined so work flows between your team and agents.speedrun SR005BellevueStartup →AIAmdahlAI Context layer for all Enterprise GTM work (ex-Databricks, Coinbase team, $4m pipeline)speedrun SR006San FranciscoStartup →AIAnchrThe AI Operating System For Food Distributorsspeedrun SR005New York CityStartup →AIAndThenAndThen is a voice-first platform that makes conversations with AI characters something you do: games, challenges, and episodic stories with real goals.speedrun SR005Los AngelesStartup →OtherAntihero StudiosCreating "Games Worth Sharing". Our team were leads on 8 different $1B/year gamesspeedrun SR006BarcelonaStartup →AIArgu AICreate Vision Agents to monitor any scenario in real-time video from CCTV in minutes instead of months. Zero training. Zero time. Just words.speedrun SR005Pardes Hana KarkurStartup →AIAriseScaling 1 GW of AI computespeedrun SR005San FranciscoStartup →AIArise LabsBuilding a superhuman AI investorspeedrun SR005San FranciscoStartup →AIArtifact AISystem of intelligence for accountingspeedrun SR005New YorkStartup →AIAthenaThe AI-native law firm for M&A and commercial real estate.speedrun SR007San FranciscoStartup →AIAtorieAtorie: Luxury Without the Price Tagspeedrun SR004Los AngelesStartup →AIAtriosRewarding tastemakersspeedrun SR005New YorkStartup →AIAugustAI autonomous bankersspeedrun SR006Tel AvivStartup →AIAutoAI camera that turns photos into personal apps. Ex-Snapchat founders with multiple previous exits.speedrun SR006Los AngelesStartup →AIAvatarOSMaking Digital Humans Realspeedrun SR003Los AngelesStartup →AIAvenir AIAI Agents for Employee Benefits: the $1.9T market.speedrun SR005San FranciscoStartup →AIAxonDeepMind for Financespeedrun SR005LondonStartup →
Company
MetalMetal is an AI-driven operating system for fundraisingteam of 212 programsYC W23 +1ActiveAI
nunu.aiBuilding the first multimodal agents to play and test games.team of 52 programsYC W23 +1ActiveAI
KeewanoThe first database built for machine reasoning at scale, giving agents the context to answer questions traditional databases were never designed to handle.on 3 Glyph sourcesspeedrun SR003Not statedAI
Nexxa.aiSpecialized AI for Heavy Industries2 programsspeedrun SR005 +1Not statedAI
RehearsalsPredict your customers’ behavior by simulating real people.2 programsspeedrun SR004 +1Not statedAI
scaledrive.aiPhysical AI that unlocks the full potential of autonomous robots.2 programsspeedrun SR007 +1Not statedAI, Data
Echo ChunkAI Strategy Games that Generate Themselves. Starting with Echo Chess: the viral "Wordle for Chess"2 programsspeedrun SR003 +1Not statedAI
Smart BricksThe Smarter Way to Invest in Residential Real Estate - Powered by AI.3 programs500 Global MENA 8 +2Not statedAI
Rosebud AIVibe code games.team of 102 programsYC S19 +1ActiveAI, Devtools
SweatPalsWe are turning every corner of the world into a social fitness community.3 programsspeedrun SR004 +2Not statedOther
2weeksMaking breakout hits on the open web for you and your friends.speedrun SR003Not statedOther
Abliteration.aiUnrestricted LLMs for cybersecurity, agent testing, and defense, $7M ARR and grew 8x last month.speedrun SR007Not statedAI, Data, Devtools
AcaysiaReal-time AI control layer to optimize industrial reactors.speedrun SR007Not statedAI
Acceler8AI for Workforce Intelligence & Planning (2x founder who raised $80M, F500 customers)speedrun SR006Not statedAI
AdvocateThe AI chief of staff for families with aging parents. 2x founder. ex McKinsey, AWS AI, & Senior care professionals.speedrun SR006Not statedAI
AdzapMobile-grade performance and attribution solution for PC/Console gamesspeedrun SR003Not statedOther
Agent AstraWe are building the next AI-native logistics group.speedrun SR005Not statedAI
AgentCatSession replay and observability for AI agents across MCP, Claude Connectors, and ChatGPT Apps.speedrun SR007Not statedAI, Devtools
AghanimAghanim is an integrated commerce, live-ops automation, community engagement, and payments platform for mobile games.speedrun SR002Not statedOther
AliaAgents that coordinate teams towards company goalsspeedrun SR007Not statedAI
AlikeMake your agents across your teams act as one steerable, observable swarmspeedrun SR006Not statedAI
Alpaka GamesCreating the next generation of hit Action mobile gamesspeedrun SR004Not statedOther
AlvenAlven is an AI employee that replaces the need for human property managersspeedrun SR007Not statedAI
Ambiguous AIThe workspace built for human-AI collaboration. 17 productivity apps reimagined so work flows between your team and agents.speedrun SR005Not statedAI
AmdahlAI Context layer for all Enterprise GTM work (ex-Databricks, Coinbase team, $4m pipeline)speedrun SR006Not statedAI
AnchrThe AI Operating System For Food Distributorsspeedrun SR005Not statedAI
AndThenAndThen is a voice-first platform that makes conversations with AI characters something you do: games, challenges, and episodic stories with real goals.speedrun SR005Not statedAI
Antihero StudiosCreating "Games Worth Sharing". Our team were leads on 8 different $1B/year gamesspeedrun SR006Not statedOther
Argu AICreate Vision Agents to monitor any scenario in real-time video from CCTV in minutes instead of months. Zero training. Zero time. Just words.speedrun SR005Not statedAI
AriseScaling 1 GW of AI computespeedrun SR005Not statedAI
Arise LabsBuilding a superhuman AI investorspeedrun SR005Not statedAI
Artifact AISystem of intelligence for accountingspeedrun SR005Not statedAI
AthenaThe AI-native law firm for M&A and commercial real estate.speedrun SR007Not statedAI
AtorieAtorie: Luxury Without the Price Tagspeedrun SR004Not statedAI
AtriosRewarding tastemakersspeedrun SR005Not statedAI
AugustAI autonomous bankersspeedrun SR006Not statedAI
AutoAI camera that turns photos into personal apps. Ex-Snapchat founders with multiple previous exits.speedrun SR006Not statedAI
AvatarOSMaking Digital Humans Realspeedrun SR003Not statedAI
Avenir AIAI Agents for Employee Benefits: the $1.9T market.speedrun SR005Not statedAI
AxonDeepMind for Financespeedrun SR005Not statedAI, Data

About a16z speedrun

Run by
Andreessen Horowitz
Companies from
the speedrun companies API (what speedrun.a16z.com/companies reads)
Dates checked
2026-09-25, from 4 official pages
Refresh
Monthly, on the first Monday; last read 2026-11-02, 321 rows
On the list now
321 of 327

Only what the program publishes is shown. Status is left as Not stated unless the program's own page says it.