PromptLens

Plans and prices

Every plan, in full

On the record

Availability

The evaluations page says product access is subject to early-access approval.promptlens.io · read 2 Oct 2026

Cookies

The privacy policy says PromptLens uses essential cookies for sessions and preferences and does not use tracking or advertising cookies.promptlens.io · read 2 Oct 2026

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.promptlens.io · read 2 Oct 2026

Evaluation workflow

Teams can compare a candidate prompt version with the production version on the same dataset, then review score changes, outputs, and failures.promptlens.io · read 2 Oct 2026

Model access

Organizations can connect a provider API key or use purchased credits to run models through OpenRouter without adding a key.promptlens.io · read 2 Oct 2026

Model providers

The homepage lists OpenAI, Anthropic, Google, xAI, Meta, DeepSeek, Mistral, Cohere, and Amazon among the model providers teams can test across.promptlens.io · read 2 Oct 2026

Observability

The site says its observability product traces production model calls, tools, and retrieval, including timing, errors, usage, and cost.promptlens.io · read 2 Oct 2026

Prompt management

PromptLens lets users version prompts and publish the version their application needs through a retrieval API.promptlens.io · read 2 Oct 2026

Release control

Evaluations provide evidence and warnings for release decisions, but they are not an automatic CI release gate.promptlens.io · read 2 Oct 2026

Scoring

An LLM judge compares each output to an expected answer and returns pass or fail with a short explanation.promptlens.io · read 2 Oct 2026

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.promptlens.io · read 2 Oct 2026

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.promptlens.io · read 2 Oct 2026

Support

The Free plan includes email support, Pro includes priority email support, and Teams includes dedicated support.promptlens.io · read 2 Oct 2026

What it does

PromptLens provides prompt management, evaluations, and observability for teams shipping production LLM workflows.promptlens.io · read 2 Oct 2026

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