Promptmetheus
An IDE for Prompt Engineering with LLM integration.
At a glance
Paid · Source review 2026-11-01- Price & billing
Verified on the official homepage reviewed on 2026-11-01: the Single plan costs $29 per month with a 7-day free trial. Recheck official pricing before purchase.
- Free allowance
Verified on the official homepage reviewed on 2026-11-01: the Single plan costs $29 per month with a 7-day free trial.
- Best suited to
Prompt engineers building reliable prompts for automations and agents
Fit is editorial guidance, not a measured result.- Platforms
Access: not separately verified. Operating systems not separately verified.
Published-source facts and editorial guidance. No product test is implied. Confirm current conditions before purchase.
No product screenshot is claimed for this listing. Use the official website ↗ to inspect the current interface.
What to know before choosing
Good fit
Prompt engineers building reliable prompts for automations and agents
Limits and trade-offs
The reviewed homepage shows a Team plan but only the Single price and its trial were adopted as facts; per-additional-user pricing was not adopted.
Plans and free allowances
Verified on the official homepage reviewed on 2026-11-01: the Single plan costs $29 per month with a 7-day free trial. Recheck official pricing before purchase.
Evidence
Official homepage ↗ (reviewed 2026-11-01)
Official published page review; no authenticated product test
Dates: Last reviewed 2026-11-02 · Sources checked 2026-11-01. Last reviewed is the latest source or editorial review date; it is not a content-change date.
A closer look at Promptmetheus
Promptmetheus is a prompt engineering IDE: compose reliable prompts for AI automations, agents, and workflows, test prompt performance with 150+ LLMs or your own configuration, and optimize prompts for output quality, robustness, cost, and speed, with 35,000+ users.
Editorial guidance based on published documentation. The workflow below is a suggested starting point, not a measured product result.
When to choose Promptmetheus
- Prompt engineers testing prompts across many models
- Automation builders who need reliable prompts
When to choose something else
- Users who need a free tier beyond the 7-day trial
- Users who need ready-made prompts to run, rather than composing and testing prompts in an IDE
A practical starting workflow
- Compose a prompt in the IDE
- Test its performance across 150+ LLMs
- Optimize for quality, robustness, cost, and speed
Check before committing
- Vendor claims on the official page are not guarantees; actual results, quality and availability must be tested in the product.
- Prices and features may change after this review; recheck the official site before purchase or signup.
Common questions
What is Promptmetheus?
It is a prompt engineering IDE to compose reliable prompts for AI automations, agents, and workflows.
How many models can I test with?
You can test prompt performance with 150+ LLMs, or configure your own.
What does Single cost?
Single costs $29 per month with a 7-day free trial, for 1 user with cloud sync and community support.
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Sources and checks
Last source review is not a date of product testing. No rating or test result is implied by inclusion. Check the current plan and terms before buying.