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AI Testing Startup Blacksmith Reaches $550M Valuation After New Funding Round

AI code-testing startup Blacksmith has raised $45 million in a Series B round, bringing its valuation to $550 million, nearly nine times higher than less than a year ago.

Peak XV Partners led the round, with existing backers GV and Y Combinator also participating. The latest funding brings Blacksmith’s total capital raised to $58.5 million.

Demand Grows As AI Speeds Up Coding

Founded in 2024, Blacksmith helps companies build, test and validate software before it reaches production. Customer numbers have grown from more than 700 to over 5,000 in less than a year, with companies including Mercury, Supabase, Clerk, Ashby and Expensify using the platform.

As tools such as Cursor, OpenAI’s Codex and Anthropic’s Claude Code make software development faster, companies are producing more code, increasing the need for reliable testing.

“Validating code is still a bottleneck, and it’s an even bigger bottleneck because people are writing even more,” CEO and co-founder Aditya Jayaprakash said.

From CI Platform To AI Coding Tools

Blacksmith initially focused on cloud infrastructure for continuous integration, allowing companies to run the builds and tests required before releasing software. It has since expanded into AI-powered development with Codesmith, an agent designed to automatically fix failed code checks.

The company reached a $10 million annualized revenue run rate with a team of just 10 people and has since expanded to around 30 employees. Revenue is now in the tens of millions of dollars, while some major customers spend more than $1 million annually on the platform.

Competition Remains Intense

Blacksmith faces competition from established platforms including GitHub Actions, as well as AI coding products and cloud providers such as Amazon Web Services, Microsoft Azure and Google Cloud.

Jayaprakash said the company aims to differentiate itself through faster testing and competitive pricing. Blacksmith plans to expand its platform further, with the broader goal of helping developers write, test and merge software more efficiently.

NERDs Replace FIRE As Young Workers Lose Confidence In Retirement

The FIRE movement promised younger workers a path to financial independence and early retirement. Now, a different group is emerging in the UK: NERDs, or the “Never Ever Retiring Demographic.”

Growing pessimism among Gen Z and millennials is driving the shift, with many questioning whether retirement will ever be financially achievable. Some are responding by reducing or abandoning pension contributions altogether.

Young Workers Are Losing Confidence In Retirement

Research from People’s Pension, a major UK workplace pension provider, found that 47% of Gen Z respondents aged 18 to 27 do not engage with their pension. Another 12%, equivalent to about 2.2 million young people, have stopped saving for retirement because they expect to work indefinitely.

Wider financial pressures are contributing to that outlook. High living costs have pushed milestones such as homeownership, marriage, having children and retirement further away for many younger workers, while inflation, layoffs and stagnant wages have added to uncertainty.

Pension Providers Face A Communication Gap

Financial pressure is only part of the problem. Young workers also say pension providers are failing to explain long-term saving in ways that feel relevant to them.

About 36% of respondents said providers do not explain retirement saving effectively. Among them, 27% said companies appear more focused on selling products than educating customers, while 16% cited complicated language and jargon.

A clear generational difference emerges in the responses. Some 29% of Gen Z respondents said providers fail to explain why pension saving matters, compared with 13% of Gen Xers and Baby Boomers. Similarly, 17% of Gen Z said providers do not use channels they engage with, versus 4% among older generations.

Clearer information could influence behavior. About 70% of Gen Z respondents said they would have started saving earlier if they had known that beginning in their 20s could potentially double their retirement pot compared with starting in their 30s. Another 63% said learning about tax relief and employer contributions motivated them to save.

“In a world where financial doom dominates pension conversations, young savers are tuning out,” said Kirsty Ross, proposition director at People’s Pension. “Our research shows they are not disengaged because they don’t care, they are disengaged because the messages aren’t working.”

Young Savers Want Simpler Tools

Progress bars and goal trackers were among the most popular tools respondents said could make pensions more relevant, cited by 31%. Another 26% wanted reassurance that they could start with small amounts, while 23% wanted examples of what people their age are doing.

Clear, bite-sized steps were cited by 22%, while 19% said light-hearted and relatable stories could make pensions more accessible.

People’s Pension has responded with Pension Drop, a campaign using social media influencers, live events and lifestyle personalities to encourage conversations about retirement saving.

“Looking back, I really wish I’d started earlier,” said Iain Stirling, comedian, TV presenter and Pension Drop ambassador. He said contributions made in someone’s 20s or 30s can make a significant difference later, while employer contributions and tax relief can increase the value of smaller payments.

Small Changes Can Improve Long-Term Saving

Stirling urged younger workers to check their pension provider, establish whether they have multiple pension pots and make sure they are contributing enough to receive the full employer match.

He also recommended increasing contributions after a pay rise or bonus, allowing workers to raise long-term savings without making a large immediate change to their spending.

For younger workers facing high living costs and uncertain career prospects, pension saving remains a difficult sell. Clearer information about employer contributions, tax relief and the long-term effect of starting early could help make retirement planning more tangible.

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