LangFast
AutomatedOnline LLM playground for rapid prompt testing and evaluation. Run prompts across multiple AI models, compare responses side-by-side, and iterate with your own API keys.
Active plans
2
Total changes
4
Last change
Jun 25, 2026
Price trend
What we know about LangFast’s pricing
Moderately activeChanges in 12 months
4
Cadence
Multiple changes per day
Direction
New plan recently added
Category position
—
Not enough peers tracked yet
Current pricing
1-Year Pass
one time$49/one_time
$49
Lifetime Access
one time$60/one_time
$60
Price history
Last 4 changes
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Jun 25, 2026 | Lifetime Access | new plan | — | $60 | — |
| Jun 25, 2026 | 1-Year Pass | new plan | — | $49 | — |
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