PromptVersions

Plans and prices

Every plan, in full

On the record

Bring your own keys

Users connect their own provider API keys, and provider usage is billed directly by the provider.promptversions.com · read 3 Oct 2026

Evaluations

Users can define metrics and test cases, then batch-evaluate a version or run evaluations automatically on every save.promptversions.com · read 3 Oct 2026

Intended users

The maker describes the product as built for prompt engineers and says it supports product managers, writers, and analysts who edit prompts.promptversions.com · read 3 Oct 2026

Key security

Provider keys are encrypted at rest with Fernet and are write-only in the UI, so they are not returned to the browser after saving.promptversions.com · read 3 Oct 2026

Production workflow

Prompt versions can be pinned to dev, staging, and prod environments, A/B tested, and called through an inference API.promptversions.com · read 3 Oct 2026

Prompt chains

Users can connect ordered prompt steps so later steps can use earlier steps’ outputs.promptversions.com · read 3 Oct 2026

Provider integrations

The service lists OpenAI, Anthropic, Google, DeepSeek, xAI, Mistral, and OpenRouter as supported providers.promptversions.com · read 3 Oct 2026

Purpose

PromptVersions is a workspace for building, versioning, testing, and shipping LLM prompts across seven major providers.promptversions.com · read 3 Oct 2026

Refund support

Refund requests are submitted through the in-app Feedback button, and the policy says requests are acknowledged within two business days.promptversions.com · read 3 Oct 2026

Team access

Workspaces support owner, editor, and viewer roles, with invitations requiring acceptance and access enforced on every route.promptversions.com · read 3 Oct 2026

Version history

Each prompt save creates an immutable version with a commit message, and users can diff or restore versions.promptversions.com · read 3 Oct 2026

Webhooks

The site describes signed webhooks for deployments, stopped A/B tests, and evaluation runs.promptversions.com · read 3 Oct 2026

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