Prompt Assay
PricingDocsBlog
Log inOpen the editor→
ChangelogIn public

What we shipped, week by week.

The public log of features, improvements, fixes, and migrations on the Prompt Assay workbench. New entries land most weeks. Subscribe via RSS or follow @PromptAssay on X.

Entries

Entries3 total
APR 30 · 2026WEEK OF APR 27
Featurebyokbillingmodels

Demo mode, cost drill-down, and the GPT-5 lineage

The biggest week of the run-up to launch. New users without a key get five free AI-pair runs. Every run shows what it cost. The model registry now ships GPT-5.x and Gemini 2.5 Flash-Lite.

→
APR 24 · 2026WEEK OF APR 20
Featurefeedbackbillingai-pair

Vote on what we ship next

A two-board feedback system where you can file bugs, request features, and vote on what we ship next. Plus a brainstorm timeout fix you may have hit on long Opus runs.

→
APR 17 · 2026WEEK OF APR 13
Featureevaluationsanthropicui

Schedule eval batches without watching the timer

The new Schedule batch action queues eval-suite runs through Anthropic's Batches API so you can walk away. Results post back when the batch returns.

→
The Assay · Bi-weekly Dispatch

One prompt under critique, bi-weekly.

Every other Monday: a real prompt scored on six dimensions, one technique from the periodic table, what shipped at PA, and the founder note tying them together. No marketing fluff.

Unsubscribe in one click. Privacy.
Prompt Assay

Behind every great agent is a great prompt.

All systems operational
Follow · In public
  • Prompt Assay on X
  • Prompt Assay on YouTube
Product
  • Features
  • Pricing
  • Docs
  • Blog
  • Changelog
  • Periodic table
  • RSS feed
  • FAQ
Company
  • Contact
  • Talk to sales
  • Help center
Legal
  • Trust center
  • Privacy
  • Terms
  • Acceptable use
  • Cookies
  • DPA
© 2026 Prompt Assay. Made for people who assay prompts.
Your keys. Your bill. No markup.