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PromptLens

promptlens.io

From $99/mo Free plan Web
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Spec score 7.8 #16 of 26 in Prompt Management Software

Spec sheet

What it does
PromptLens provides prompt management, evaluations, and observability for teams shipping production LLM workflows.Read 2 Oct 2026 · promptlens.io
Security
The privacy policy says sensitive data is encrypted at rest, data is transmitted over HTTPS, and access to user data is restricted to authorized personnel.Read 2 Oct 2026 · promptlens.io
Support
The Free plan includes email support, Pro includes priority email support, and Teams includes dedicated support.Read 2 Oct 2026 · promptlens.io
Availability
The evaluations page says product access is subject to early-access approval.Read 2 Oct 2026 · promptlens.io
Cookies
The privacy policy says PromptLens uses essential cookies for sessions and preferences and does not use tracking or advertising cookies.Read 2 Oct 2026 · promptlens.io
Data retention
Users can delete datasets, prompts, and experiments at any time; after account deletion, PromptLens says it will delete the user's data within 30 days.Read 2 Oct 2026 · promptlens.io
Evaluation workflow
Teams can compare a candidate prompt version with the production version on the same dataset, then review score changes, outputs, and failures.Read 2 Oct 2026 · promptlens.io
Model access
Organizations can connect a provider API key or use purchased credits to run models through OpenRouter without adding a key.Read 2 Oct 2026 · promptlens.io
Model providers
The homepage lists OpenAI, Anthropic, Google, xAI, Meta, DeepSeek, Mistral, Cohere, and Amazon among the model providers teams can test across.Read 2 Oct 2026 · promptlens.io
Observability
The site says its observability product traces production model calls, tools, and retrieval, including timing, errors, usage, and cost.Read 2 Oct 2026 · promptlens.io
Prompt management
PromptLens lets users version prompts and publish the version their application needs through a retrieval API.Read 2 Oct 2026 · promptlens.io
Release control
Evaluations provide evidence and warnings for release decisions, but they are not an automatic CI release gate.Read 2 Oct 2026 · promptlens.io
Scoring
An LLM judge compares each output to an expected answer and returns pass or fail with a short explanation.Read 2 Oct 2026 · promptlens.io
Shared reports
Anyone with a shared report link can open it without an account or paid seat, and shared report links are unlimited on every plan.Read 2 Oct 2026 · promptlens.io

Plans and prices

Free Free $0 per organization / month 2 members · 3 projects · 3 prompts · up to 10 test cases per dataset · 50 evaluation runs per member per 24 hours · 50 playground calls per hour Read 2 Oct 2026 · promptlens.io
Pro $99 a month $99 per organization / month Unlimited members · 10 projects · 10 prompts · up to 500 test cases per dataset · 100 evaluation runs per member per 24 hours · 500 playground calls per hour · $50 welcome model credits that never expire · priority email support Read 2 Oct 2026 · promptlens.io
Teams Priced on request Custom volume pricing Custom project, prompt, and dataset limits · higher evaluation and playground volume · provider policy controls · security review · dedicated support Read 2 Oct 2026 · promptlens.io

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