PromptVersions

Spec sheet

Purpose

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

Intended users

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

Bring your own keys

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

Evaluations

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

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.Read 3 Oct 2026 · promptversions.com

Production workflow

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

Prompt chains

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

Provider integrations

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

Refund support

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

Team access

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

Version history

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

Webhooks

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

Plans and prices

Every PromptVersions plan and price →

Where Specifiction places it

• AI Prompt Management Software#23 of 257.1
• Prompt Management Software#24 of 267.1