PromptLayer

Collaboration layer for AI engineering teams: prompt management, agent observability and evals

Observability tool by PromptLayer

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Chalk Labs

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About

PromptLayer provides a visual prompt editor with versioning and deployment, and connects production traces to prompt versions with cost, latency and token tracking. It runs dataset-backed evals and human review, so non-engineers can iterate on prompts without changing the codebase.

Use cases: prompt-engineering, monitoring-observability

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Fact sheet

Category: Tracing · prompt management
Self-host: Yespromptlayer.com
Compliance (vendor says): SOC 2, GDPR, HIPAA, ccpapromptlayer.com
Regions: US, EUpromptlayer.com

Plans

Free	$0	5 users, 2.5k requests/month, 1 workspace, 250 eval cell executions/month, 10MB max per dataset
Pro	$49/month	unlimited playgrounds and workspaces; 150MB max per dataset; pay-as-you-go $0.003 per transaction
Team	$500/month	25 users; 100k+ requests/month; 7.5k+ eval cell executions/month; 1GB max per dataset; $0.002 per transaction
Enterprise	Contact sales	custom limits; RBAC; deployment approvals; HIPAA with BAA; self-hosted or EU cloud options

From the vendor's pricing page, read Oct 24, 2026.

Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.

Details

License: License unknown
Website: www.promptlayer.com
Docs: docs.promptlayer.com
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Website Pricing page Docs

Done for you

Rather not set it up yourself?

Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.

See how we build AI agents →Read the case studies

Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

launches shipped: 50+; launches shipped
media placements: 500+; media placements
founders on every account: 2; founders on every account

Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block

Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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Cite this page

PromptLayer. Agent Mart. https://agentmart.dev/observability/promptlayer (last updated 2026-10-24)