# Blacksmith

> CI cloud on purpose-built hardware plus [code]smith agents that diagnose and autofix failed tests — validation infra for AI-generated code.

## Why it is interesting

Series B ($45M at $550M) led by Peak XV closed March 2026 and announced August 12 — YC and GV tripled down as CI load spiked with AI codegen.

## Profile

- **Latest funding:** Series B — $45M (March 2026)
- **Latest known valuation:** $550M (March 2026)
- **Total disclosed equity funding:** $55M
- **Stage:** series-b
- **Status:** private
- **Industries:** developer-tools, ai-ml, infra-cloud
- **Coverage:** full
- **Last updated:** 2026-08-13
- **Latest funding investors:** Peak XV Partners, Y Combinator, GV

## Key facts

- Series B: $45M at $550M led by Peak XV; YC and GV tripled down; closed Mar 2026, announced Aug 12, 2026 (company / TechCrunch)
- Total funding $58.5M; prior Series A $10M led by GV (Sep 2025); seed $3.5M (May 2025)
- 6,000+ companies on Blacksmith CI; customers include Supabase, Clerk, Ashby, Mercury (company)
- Use of proceeds: expand compute footprint (~order of magnitude); [code]smith agent + upcoming QA

## Funding history

- Series B · $45M · March 2026
  Source: https://www.blacksmith.sh/blog/announcing-blacksmiths-series-b-led-by-peak-xv-partners
- Series A · $10M · September 2025
  Source: https://techcrunch.com/2026/08/12/blacksmiths-valuation-jumps-10x-to-550m-as-ai-coding-fuels-software-validation/

## Investors in our directory

- https://venturecapitaltracker.com/fund/y-combinator

## Related articles

- https://venturecapitaltracker.com/2026-blacksmith-45m-series-b-peak-xv-ci-ai
- https://venturecapitaltracker.com/2026-august-12-13-investment-news-energy-codegen-enterprise

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** August 13, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/blacksmith