Pinterest CEO Touts Open Source AI for Cost Savings, Performance

Bill Ready highlights 'tremendous performance' and 'orders of magnitude reduction in cost' with open source models.

Pinterest is embracing open source AI models to power its visual AI features. CEO Bill Ready notes these models offer comparable performance to proprietary options. Crucially, they come with significantly lower costs, which is vital for the company's growth.

Katie Rowan

By Katie Rowan

November 8, 2025

4 min read

Pinterest CEO Touts Open Source AI for Cost Savings, Performance

Key Facts

  • Pinterest CEO Bill Ready is touting open source AI models for cost reduction and performance.
  • Open source models offer 'tremendous performance' specifically for Pinterest's visual AI use cases.
  • The company is seeing 'orders of magnitude reduction in cost' with open source models compared to proprietary ones.
  • Pinterest uses AI for personalized recommendations, multimodal search, ad targeting, and its AI-powered Pinterest Assistant.
  • The company plans to move forward with many open source models due to their cost-effectiveness.

Why You Care

Ever wonder how big tech companies manage to keep innovating without breaking the bank? What if the secret to AI wasn’t about spending more, but spending smarter? Pinterest’s recent strategy offers a compelling answer that could reshape how many businesses approach AI creation. This shift could impact your favorite apps and even your own business.

What Actually Happened

On a recent earnings call, Pinterest CEO Bill Ready shed light on the company’s AI strategy. He emphasized the growing role of open source AI models, according to the announcement. Pinterest, known for its visual discovery system, uses AI for many core features. These include personalized recommendations and multimodal search. The company also uses AI for ad targeting and its new AI-powered Pinterest Assistant. Ready explained that using open source options helps manage costs. This is crucial as Pinterest expands its AI capabilities.

Ready specifically mentioned testing leading off-the-shelf models against open source alternatives. He found open source models to be very promising. “One of the really, really interesting things that we’re seeing is that we are just getting tremendous performance from open source models specifically for Pinterest use cases on visual AI,” Ready told investors. This approach allows Pinterest to maintain high performance while controlling expenses.

Why This Matters to You

For businesses and developers, Pinterest’s move signals a significant trend. It suggests that top-tier AI performance doesn’t always require proprietary solutions. This could democratize access to AI technologies. Imagine you’re a small e-commerce business. You want to offer personalized product recommendations like Pinterest. Now, you might achieve this without the hefty price tag of commercial AI services.

This shift also encourages a more collaborative AI environment. It fosters creation across the board. How might this change the competitive landscape for AI tools and services in the coming years? Your ability to use these accessible tools could define your next big project.

Ready noted the substantial cost benefits. The company plans to move forward with many open-source models. They will come at “a fraction of the cost” of larger model providers, he stated. This means more resources can be allocated to other areas of creation or user experience.

AI Strategy BenefitDescription
Cost ReductionSignificantly lower expenses compared to proprietary models.
PerformanceComparable or ‘tremendous’ performance for specific use cases.
FlexibilityAbility to fine-tune models for unique business needs.
creationFosters a more open and collaborative AI creation environment.

The Surprising Finding

Here’s the twist: Pinterest is seeing “orders of magnitude reduction in cost” with open source models. This is happening while achieving comparable performance, as detailed in the blog post. This finding challenges the common assumption that higher cost always equates to superior AI performance. Many believe that the most expensive, closed-source models are inherently better. However, Pinterest’s experience suggests otherwise, especially for specialized visual AI tasks.

Ready emphasized, “Given current market rates and per token costs, in early testing, we’re seeing orders of magnitude reduction in cost with comparable performance using fine-tuned open source models versus leading off-the-shelf proprietary models.” This indicates that fine-tuning open source models can yield highly efficient results. It’s a validation for the open source community. It also provides a clear path for companies seeking AI without exorbitant spending.

What Happens Next

Pinterest’s embrace of open source AI will likely influence its product roadmap. We might see more visual AI features rolled out over the next 12-18 months. For example, imagine even more precise shopping recommendations based on subtle visual cues in your saved pins. This could lead to a richer user experience on the system.

Industry-wide, this move could accelerate the adoption of open source AI. Other companies might follow Pinterest’s lead. This could drive down costs across the AI industry. It also means more accessible AI tools for everyone. If you’re building an AI product, consider exploring open source options. Fine-tuning these models could give you a competitive edge. The team revealed this strategy could lead to more efficient AI creation for various use cases.

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