About
Freestyle (freestyle.sh) is a San Francisco developer infrastructure company founded in 2024 (YC S24), providing programmable full Linux VM sandboxes for AI coding agents to run, test and deploy AI-generated code.
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Freestyle
Freestyle (freestyle.sh) is a San Francisco developer infrastructure company founded in 2024 (YC S24), providing programmable full Linux VM sandboxes for AI coding agents to run, test and deploy AI-generated code.
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United States
BusinessLatest roundTotal raisedDate- exe.dev
"Real computers" for developers and AI coding agents: per-second-billed disposable sandbox VMs (Sandbox), persistent SSH-accessible Linux VPS, cloud Devbox and the web-based AI coding agent Shelley; API and ssh exe.dev access, on machines in its own data centers. Customers include Antithesis, which uses it as a sandbox for agentic software testing.
$35M
$35M - SylphAI
AI coding/agent engineering platform AdaL (CLI, agentic IDE, coding and research worker agents, browser automation, Slack/GitHub integrations, skills marketplace), built on its in-house open-source LLM pipeline auto-optimization framework AdalFlow; customers are developers and engineering teams.
$2M
$2M - Boxes.dev
Dedicated cloud Linux dev machines for AI coding agents such as Claude Code and Codex, supporting parallel multi-agent runs and end-to-end testing
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China
BusinessLatest roundTotal raisedDateEurope
BusinessLatest roundTotal raisedDate- Kodesage
Analyzes and transforms enterprise legacy codebases, extracting business logic and automating migration and maintenance
Seed · $7M · 2026-06
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AI agents that automatically generate and maintain deterministic software tests
Seed · 2026-10
— - GitHits
Version-aware indexing of open-source code/packages and code example retrieval for AI coding agents (CLI + MCP integration)
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Other / unspecified
BusinessLatest roundTotal raisedDate- ClackyAI
AI coding cloud IDE Clacky.ai and open-source agent framework OpenClacky, automating requirements-to-code/PR for developers, tech teams and non-technical founders
— - gjalla
Architecture governance and observability SaaS for AI coding agents: doc drift, policy checks and audit trails, token spend attribution
— - Qodo
Provides AI-driven tools that help software developers generate, test and review code more efficiently
Series B · $150M · 2026-03
$150M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
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Andreessen Horowitz
15 Developer Tools deals in the last 24 months · 15 in Silicon Valley
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12 Developer Tools deals in the last 24 months · 10 in Silicon Valley
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.