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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

SR007
AIscaledrive.aiPhysical AI that unlocks the full potential of autonomous robots.speedrun SR007San JoseStartup →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 →AIAgentCatSession replay and observability for AI agents across MCP, Claude Connectors, and ChatGPT Apps.speedrun SR007New York CityStartup →AIAliaAgents that coordinate teams towards company goalsspeedrun SR007San FranciscoStartup →AIAlvenAlven is an AI employee that replaces the need for human property managersspeedrun SR007San FranciscoStartup →AIAthenaThe AI-native law firm for M&A and commercial real estate.speedrun SR007San FranciscoStartup →AIBanbury RoadMulti-agent civilizations that deliver frontier capability at a fraction of the cost and memory of monolithic models.speedrun SR007San FranciscoStartup →AIBaroBuilding the AI General Manager for Consumer Brands.speedrun SR007New YorkStartup →AIBlueprintHardware, as fast as thought. Turning plain language into physical machines.speedrun SR007San FranciscoStartup →AIBountyBounty lets founders and small business owners hire AI agents and specialised teams, paying for completed work instead of tool subscriptions.speedrun SR007New York CityStartup →AIBricStealthspeedrun SR007San FranciscoStartup →AICartsyShop what you watchspeedrun SR007New YorkStartup →AIChatOverflowThe network where AI agents learn from each otherspeedrun SR007San FranciscoStartup →AIChronoSpaceWe build world models that unlock greater efficiency and automation for the physical industries like manufacturing, retail, and construction.speedrun SR007Bay AreaStartup →AIClusterInfrastructure for GTM agentsspeedrun SR007New YorkStartup →AICodosThe virtual Chief AI Officer that turns AI into P&L impact. 7-digit live ARR, 50% MoM, ex-McKinsey and Meta ML team.speedrun SR007San FranciscoStartup →AICoherence HealthBuilding the AI functional medicine doctor.speedrun SR007San FranciscoStartup →AIColmezAgentic platform for the $248bn hazardous waste industryspeedrun SR007San FranciscoStartup →AIContxtInstinct for enterprisespeedrun SR007NYC/SFStartup →AICoopIndependent, industry-specific benchmarks and evals for robotics models.speedrun SR007San FranciscoStartup →AICorlenCorlen is an autonomous loan origination platform for commercial real estate.speedrun SR007San FranciscoStartup →AICube ComputerPowerful, one-click cloud dev boxes for running agents.speedrun SR007New York CityStartup →AICybernetic PhysicsAutonomous robots to operate data centers.speedrun SR007StanfordStartup →AIDelightful AIAI agent worlds for science and healthcare.speedrun SR007San FranciscoStartup →AIDRSAI-native consumer app studio at $1.3M ARR, up 2x MoM.speedrun SR007SFStartup →AIElectrokareAI infrastructure for precision and preventative health.speedrun SR007New YorkStartup →AIEluYour software, improving itself: An autonomous product, run entirely by agentsspeedrun SR007San FranciscoStartup →AIEmbrasureAn autonomous data warehouse run entirely by AI agents that build pipelines, maintain data, and discover business opportunities.speedrun SR007San FranciscoStartup →AIFictionalConsumer app for living AI characters. >1.3M users, with average sessions lasting 1.4 hours.speedrun SR007San FranciscoStartup →AIFlipText a money expert, not a budgeting app.speedrun SR007BerkeleyStartup →AIGalileo SpaceWe build AI-powered satellites for critical defense intelligence, delivering actionable insights in minutes instead of hours or days.speedrun SR007Los AngelesStartup →AIGeneral KnowledgeThe agentic workforce for Europe's critical physical industriesspeedrun SR007CopenhagenStartup →AIHarbor AIThe operating layer that keeps GPU fleets productive.speedrun SR007San FranciscoStartup →AIHoidAgentic AI compiler, makes AI models faster & cheaper on any hardwarespeedrun SR007San FranciscoStartup →AIInfragridMemory system that recommends automations as you workspeedrun SR007San FranciscoStartup →AIKairoContinuous security plane for the AI agent era, catching vulnerabilities before they ship.speedrun SR007San FranciscoStartup →AIKeythornInsurance for the AI Frontierspeedrun SR007San FranciscoStartup →OtherKIRAWe transform industrial wastewater into clean water for data centers: we enable critical infrastructure.speedrun SR007BostonStartup →AILazywebBuilt by growth execs, Lazyweb reimagines what product growth teams are capable of using AI, scaling 0->$1M ARR in only 2mo.speedrun SR007San FranciscoStartup →
Company
scaledrive.aiPhysical AI that unlocks the full potential of autonomous robots.2 programsspeedrun SR007 +1Not statedAI, Data
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
AgentCatSession replay and observability for AI agents across MCP, Claude Connectors, and ChatGPT Apps.speedrun SR007Not statedAI, Devtools
AliaAgents that coordinate teams towards company goalsspeedrun SR007Not statedAI
AlvenAlven is an AI employee that replaces the need for human property managersspeedrun SR007Not statedAI
AthenaThe AI-native law firm for M&A and commercial real estate.speedrun SR007Not statedAI
Banbury RoadMulti-agent civilizations that deliver frontier capability at a fraction of the cost and memory of monolithic models.speedrun SR007Not statedAI, Data
BaroBuilding the AI General Manager for Consumer Brands.speedrun SR007Not statedAI
BlueprintHardware, as fast as thought. Turning plain language into physical machines.speedrun SR007Not statedAI, Devtools
BountyBounty lets founders and small business owners hire AI agents and specialised teams, paying for completed work instead of tool subscriptions.speedrun SR007Not statedAI
BricStealthspeedrun SR007Not statedAI
CartsyShop what you watchspeedrun SR007Not statedAI
ChatOverflowThe network where AI agents learn from each otherspeedrun SR007Not statedAI, Devtools
ChronoSpaceWe build world models that unlock greater efficiency and automation for the physical industries like manufacturing, retail, and construction.speedrun SR007Not statedAI, Data
ClusterInfrastructure for GTM agentsspeedrun SR007Not statedAI
CodosThe virtual Chief AI Officer that turns AI into P&L impact. 7-digit live ARR, 50% MoM, ex-McKinsey and Meta ML team.speedrun SR007Not statedAI
Coherence HealthBuilding the AI functional medicine doctor.speedrun SR007Not statedAI
ColmezAgentic platform for the $248bn hazardous waste industryspeedrun SR007Not statedAI
ContxtInstinct for enterprisespeedrun SR007Not statedAI
CoopIndependent, industry-specific benchmarks and evals for robotics models.speedrun SR007Not statedAI, Data
CorlenCorlen is an autonomous loan origination platform for commercial real estate.speedrun SR007Not statedAI
Cube ComputerPowerful, one-click cloud dev boxes for running agents.speedrun SR007Not statedAI, Devtools
Cybernetic PhysicsAutonomous robots to operate data centers.speedrun SR007Not statedAI
Delightful AIAI agent worlds for science and healthcare.speedrun SR007Not statedAI, Data
DRSAI-native consumer app studio at $1.3M ARR, up 2x MoM.speedrun SR007Not statedAI
ElectrokareAI infrastructure for precision and preventative health.speedrun SR007Not statedAI
EluYour software, improving itself: An autonomous product, run entirely by agentsspeedrun SR007Not statedAI, Devtools
EmbrasureAn autonomous data warehouse run entirely by AI agents that build pipelines, maintain data, and discover business opportunities.speedrun SR007Not statedAI
FictionalConsumer app for living AI characters. >1.3M users, with average sessions lasting 1.4 hours.speedrun SR007Not statedAI
FlipText a money expert, not a budgeting app.speedrun SR007Not statedAI
Galileo SpaceWe build AI-powered satellites for critical defense intelligence, delivering actionable insights in minutes instead of hours or days.speedrun SR007Not statedAI
General KnowledgeThe agentic workforce for Europe's critical physical industriesspeedrun SR007Not statedAI
Harbor AIThe operating layer that keeps GPU fleets productive.speedrun SR007Not statedAI
HoidAgentic AI compiler, makes AI models faster & cheaper on any hardwarespeedrun SR007Not statedAI, Devtools
InfragridMemory system that recommends automations as you workspeedrun SR007Not statedAI, Data
KairoContinuous security plane for the AI agent era, catching vulnerabilities before they ship.speedrun SR007Not statedAI, Data, Devtools
KeythornInsurance for the AI Frontierspeedrun SR007Not statedAI
KIRAWe transform industrial wastewater into clean water for data centers: we enable critical infrastructure.speedrun SR007Not statedOther
LazywebBuilt by growth execs, Lazyweb reimagines what product growth teams are capable of using AI, scaling 0->$1M ARR in only 2mo.speedrun SR007Not statedAI

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.