Launch YC
The last prompt
you'll ever write

Meet Ape, the first AI prompt engineer.
Equipped with tracing, dataset curation, batch testing, and evals.

Backed by
YC logo
Combinator

Ape Outperforms

Ape achieves an impressive 93% on the GSM8K benchmark, surpassing both DSPy (86%) and base LLMs (70%).

Elevate your LLM applications with Ape's superior performance.

Ape makes prompt engineering scalable

Continuously optimize prompts using real-world data

Prevent performance regression with CI/CD integration

Human-in-the-loop with scoring and feedback

Demo video thumbnail
Introducing Weavel - 2:05 min

Works Without a Dataset

Ape works with the Weavel SDK to automatically log and add LLM generations to your dataset as you use your application. This enables seamless integration and continuous improvement specific to your use case.

No pre-existing dataset needed!

Don't think about evaluation.

Ape auto-generates evaluation code and uses LLMs as impartial judges for complex tasks, streamlining your assessment process and ensuring accurate, nuanced performance metrics.

Effortless evaluation for your LLM applications.

Evals page
Trial scores page

Human-in-the-Loop

Ape is reliable, as it works with your guidance and feedback.
Feed in scores and tips to help Ape improve.

Hire Ape, the first AI prompt engineer

Equipped with logging, testing, and evaluation for LLM applications