Eric Eyken-Sluyters

AI marketplace integrationSep 29, 2026

Sierra as OpenAI Marketplace launch partner

Sierra is a launch partner in OpenAI’s new marketplace, enabling eligible customers to build agents using their existing OpenAI commitments to drive business outcomes such as loan refinancing, churn prevention, and sales completion.

Supporting evidence

Eric Eyken-Sluyters·Sep 29, 2026

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We’re excited to be a launch partner in OpenAI’s new marketplace . Now, eligible customers can build agents with Sierra using their OpenAI commitments — helping them to build better customer experiences and drive measurable business outcomes, like refinance a loan, prevent a subscriber from churning or completing a sale, using their existing budget.

pricing model

pricing modelSep 29, 2026

Pay for outcomes, not tokens

Sierra’s pricing model ties cost to business outcomes—such as a loan refinanced, an insurance claim paid, a sale closed, or a customer retained—rather than token consumption.

Supporting evidence

Eric Eyken-Sluyters·Sep 29, 2026

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Pay for outcomes, not tokens : A loan refinanced, an insurance claim paid, a sale closed, or a customer retained.

agent development usability

agent development usabilitySep 29, 2026

Ghostwriter enables non-technical team members to build agents

Sierra’s Ghostwriter tool allows anyone on a customer’s team—not just engineers or AI specialists—to build, deploy, and improve AI agents.

Supporting evidence

Eric Eyken-Sluyters·Sep 29, 2026

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Easy to use : With Ghostwriter — our agent for building agents — anyone on your team can build, deploy and improve agents.

agent adaptability

agent adaptabilitySep 29, 2026

Goals and guardrails enable reasoning through complex use cases

Unlike one-size-fits-all SOP-based agent builders, Sierra uses goals and guardrails to enable agents to reason through difficult, nuanced use cases and scale with evolving business ambitions.

Supporting evidence

Eric Eyken-Sluyters·Sep 29, 2026

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Highly adaptable : Most agent builders use one-size-fits all SOPs that struggle with harder use cases. Sierra’s goals and guardrails enable agents to reason through the toughest issues and grow with your ambitions.