Market around PromptSeal

Open-source regression testing tool for prompts, AI agents, and models. Define behavior in YAML, compare providers and model versions, detect regressions, track costs, and run tests locally or in CI.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at

PromptSeal · Pro

No Pro plan

—

Pro-provider median

—

insufficient comparable pricing

vs Pro providers

No comparison

PromptSeal doesn't sell Pro

ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.

Market density

10th pctile

7 competing vendors

Comparable listings · 30d

—

Platforms · Pro median

$49/mo

3 priced · —–— mid 50%

Price spectrum · Pro plans · 7 of 8 providers priced · log scale · $4.99 → $60/mo

Agents MCP servers Platforms Other◻ shaded = middle 50% · line = median (all types)PromptSeal has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches PromptSeal's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

OOther1Ranked by similarity

PromptSealthis listing

● OTHER

no public price

PPlatforms2Ranked by similarity

AI Prompt Architect

● PLATFORM72% similar

$12.99/mo Pro

-73% vs Pro median

Promptlayer

● PLATFORM71% similar

$49/mo Pro

0% vs Pro median

MMCP servers1Ranked by similarity

Imaginator

● MCP69% similar

no public price

Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.