Public profiles in 2025-2026 describe Buster as having pivoted/rebranded to Keystroke/Sprint Labs, indicating a notable strategic transition rather than a steady single-brand story.
SourcePublic company, workplace, funding, and market signals
Updated Jul 29, 2026
Buster (buster.so) is a small YC-backed AI data platform that began as an AI data assistant and now publicly documents autonomous agents for data engineering workflows, analytics, and embedded self-serve reporting. Public profiles in 2025-2026 also indicate the company may now operate under the Keystroke/Sprint Labs branding.
Primary product
AI platform for querying data in plain English, building dashboards, and automating data engineering workflows
Founded
2022
Headquarters
San Francisco, California, United States
Team size
1-10
Work style
Flexible
Industry
Software Development
Sub-industry
AI data analytics and data engineering automation
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Offices
Business model
Stage
Seed
Total raised
$2.9M
Latest round
Seed · Apr 2025
Latest amount
$2.4M
Apr 2025
Apr 2024 · Eight Capital
Investors
Small, fast-moving startup culture with heavy emphasis on AI/ML experimentation, prompt evaluation, autonomous workflows, and shipping developer-facing data products.
Work style
Flexible
Compensation
A public hiring post advertised software engineer pay at $120k-$180k base plus equity; broader compensation bands were not publicly disclosed.
Pricing
Public pricing is not currently shown on the live site; archived and third-party listings indicate a free-to-start motion with subscription and quote-based enterprise pricing.
Differentiators
Technology
Customers
Competitors
Estimated revenue
Approximately $2.7M estimated ARR
Estimated monthly visits
8.7K
Traffic estimate as of Jun 2025
Public profiles in 2025-2026 describe Buster as having pivoted/rebranded to Keystroke/Sprint Labs, indicating a notable strategic transition rather than a steady single-brand story.
SourceSignalbase · Apr 2025
Funding announcement describing the $2.4M seed round, the AI-driven analytics product, and investor mix including Y Combinator and General Catalyst.
LinkedIn · Apr 2025
Blake Rouse publicly announced the $2.4M raise and linked it to helping companies get more from their data with AI agents.
Y Combinator LinkedIn · Jan 2025
YC described Buster as AI workers for analytics/data stacks that monitor data, suggest model improvements, and handle ad-hoc requests.
Y Combinator LinkedIn · Jan 2024
Early launch post showing the product as an embedded AI-powered data feature that lets customers ask questions in plain English and build dashboards.
Buster blog · Oct 2023
Official blog post explaining the product vision, the challenges of accuracy and trust, and the chat-based UX for data questions.