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Blaxel

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Blaxel

The perpetual sandbox platform

blaxel.ai
HQ: San Francisco, CA, USA
1-10
B2B

Company research

Public company, workplace, funding, and market signals

Updated Jul 29, 2026

Overview

Blaxel is a YC-backed cloud infrastructure company for autonomous AI agents. Its core product is perpetual microVM sandboxes with persistent state, plus adjacent services for agent hosting, batch jobs, MCP servers, model routing, and shared filesystems so agents can run code securely without paying for idle compute.

Primary product

Perpetual sandbox platform for AI agents

Founded

2024

Headquarters

San Francisco, California, United States

Team size

1-10

Work style

Onsite

Industry

Software Development

Sub-industry

AI infrastructure / agent runtime

Offices

San Francisco, California, United States

Business model

usage-based infrastructure
credit-based pay-as-you-go
custom enterprise deployments

Funding

Stage

seed

Total raised

$7.4M

Latest round

Seed · Jul 2025

Latest amount

$7.3M

Seed

Jul 2025 · First Round Capital

$7.3M

Y Combinator initial funding

Mar 2025 · Y Combinator

$125K

People & investors

Leadership

Paul Sinaï

Co-founder & CEO

Charles Drappier

Co-Founder

Mathis Joffre

Engineering Founder

Nicolas Lecomte

Co-Founder

Christophe Ploujoux

Co-Founder & CTO

Thomas Crochet

Co-Founder

Hermine de Menthière

Head of Finance & Ops

Michael Preuss

Head of Growth & Marketing

Investors

Angel investors
First Round Capital
Liquid 2
Multimodal
Transpose
Y Combinator

Work & culture

Founder-led, technical, and infrastructure-obsessed. Public posts and hiring signals emphasize low latency, persistent state, production reliability, and close collaboration with customer teams.

Work style

Onsite

Visa sponsorship

Limited

Compensation

Public roles show competitive seed-stage pay plus equity: Site Reliability Engineer at $175K-$250K with 0.05%-0.50% equity; Fullstack Design Engineer at $140K-$190K with 0.05%-0.25%; other roles are also listed with six-figure salary bands. Public postings are San Francisco on-site and some specify US citizen/visa only.

Benefits

Up to $200 free credits
No credit card required to start
Founder-led support
Discord community support
Custom deployments available
Dedicated network connectivity for enterprise
Custom SLA available
Invoice-based pricing

Product & market

Pricing

Usage-based, credit-metered pay-as-you-go with no base subscription; enterprise/custom pricing is available.

Differentiators

  • —Perpetual sandboxes that resume in ~25 ms with state intact
  • —Zero compute cost while idle / scale-to-zero standby
  • —Shared Agent Drive filesystem for multi-agent state sharing
  • —MicroVM isolation for untrusted code
  • —Co-located agent hosting, MCP hosting, and batch jobs
  • —Global low-latency / multi-region infrastructure
  • —Built-in model gateway and observability

Technology

TypeScript
Python
Go
Docker
Kubernetes
KVM
QEMU
Terraform
GitHub Actions
GitLab
Datadog
Grafana
Prometheus
ELK
Linux
NVMe
microservices
Vercel
Webflow
API gateway

Customers

Webflow
Shortwave
Strapi
Sapiom
Vybe
Casco
Polsia
Tasklet
Ploy
Cubic

Competitors

E2B
Modal
Daytona
Fly.io
Northflank
Beam
CodeSandbox
Cloudflare

Scale & contact

Estimated revenue

About $0.77M ARR estimated (roughly $0.6M-$0.8M)

Estimated monthly visits

47.9K

Traffic estimate as of Mar 2026

support@blaxel.ai

Latest news

Blaxel and Sapiom: AI Agents Can Buy Sandboxes

Blaxel Blog · Jul 2026

Blaxel and Sapiom integrated so AI agents can provision Blaxel sandboxes, run batch jobs, deploy apps, and control spend using Sapiom wallets and authentication.

Blaxel now supports Claude Managed Agents with self-hosted sandbox execution

Blaxel Blog · Jun 2026

Blaxel added itself as a self-hosted sandbox provider for Anthropic's Claude Managed Agents, keeping tool execution in Blaxel microVMs with persistent state and programmable networking.

Let your agents provision Blaxel resources with Stripe

Blaxel Blog · Jun 2026

Blaxel integrated with Stripe Projects so agents can provision paid accounts, sandboxes, and drives using existing Stripe payment methods and credentials.

Blaxel raises $7.3M seed round led by First Round to build cloud infrastructure for the AI agent economy

Blaxel Blog · Dec 2025

Blaxel announced its $7.3M seed round and framed the company as purpose-built infrastructure for AI agents, citing seed investors including First Round Capital, Y Combinator, Liquid2, Multimodal, Transpose, and angels.

Blaxel raises $7.3M seed round to build 'AWS for AI agents' after processing billions of agent requests

VentureBeat · Jul 2025

VentureBeat covered Blaxel's $7.3M seed round led by First Round Capital and highlighted the company's agent-infrastructure pitch and production traction.

AI information / aboutBlogContactDocsGitHubJobsLinkedIn companyPricingWebsiteX
SourcesOfficial websitePricingDocs overviewSandbox docsAgent Drive docsContactAbout / AI informationBlogYC company pageLinkedIn company page

Jobs and careers at Blaxel

4 jobs at Blaxel

Developer Relations

On-site
Product/GTM
San Francisco
1mo ago
On-site
Full-time
Apply

Fullstack Design Engineer

On-site
Product/GTM
San Francisco
3mo ago
On-site
Full-time
Apply

Forward Deployed Engineer (FDE)

On-site
Engineering
San Francisco
4mo ago
On-site
Full-time
Apply

Site Reliability Engineer

On-site
Engineering
San Francisco
6mo ago
On-site
Full-time
Apply

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