Opik vs PromptLayer

In short

• Both: API, Official SDKs, Traces and evaluates
• Only Opik states: Agent that edits files, Knows the whole codebase, Choice of models
• Only PromptLayer states: Self-hosted, Builds agents and workflows

Opik

Opik is an open-source platform for tracing, evaluating, testing, and monitoring LLM applications and AI agents.

Plans

Open Source

Free

• Full AI observability & agent testing feature set
• True OSS: same codebase as the hosted versions
• Agent tracing & analysis
• Test Suites & assertions
• Agent Playground

Free Cloud

Free

• Up to 10 team members
• 25k spans per month
• 60-day data retention
• Agent tracing & analysis
• Test Suites & assertions
• Agent Playground

Pro Cloud

• $19 Per month

• Up to 50 team members
• 100k spans per month
• 60-day data retention
• Customizable monthly span limits
• Customizable data retention periods

Enterprise

Price on request

• Unlimited team members
• Custom usage plans
• Flexible deployments
• Service accounts and view-only users
• Single sign-on
• Dedicated support and SLAs

Prices checked 2026-09-24 on the maker’s page.

Capabilities

• Agent that edits files — “Opik’s powerful coding assistant analyzes your traces, suggests fixes, and implements them in your development code — with built-in version control and regression testing.” source
• Knows the whole codebase — “Configure it to let Ollie read your agent codebase and write fixes directly to it.” source
• Choice of models — “If you’re not ready to log traces yet, we recommend trying out the prompt playground to experiment with user prompts and system prompts and compare models side by side, with no setup steps required.” source
• API — “Opik’s REST API and complete Python client can be used with both the Open-Source platform and Opik Cloud” source
• Official SDKs — “SDKs (Python, TypeScript)” source
• Traces and evaluates — “Opik logs every step your agent takes, from user interactions to context retrieval and tool calls — with automated eval workflows to find and fix errors across development, testing, and production.” source

Security

• SOC 2 Type II — “SOC 2 Type 2” source
• SOC 2 — “SOC 2 Type 2” source
• ISO 27001 — “ISO/IEC 27001:2022” source

Latest updates

• 2026-09-24 2.2.81-6780 (2.2.81-6780)

  Provision the extended free-form SQL ClickHouse user.

• 2026-09-24 2.2.80 (2.2.80)
• 2026-09-24 2.2.79 (2.2.79)

PromptLayer

PromptLayer helps AI teams manage prompts, run evaluations, trace agents, and monitor LLM application usage.

Plans

Free

Free

• 5 users
• 2.5k/month requests
• 1 workspace
• 250/month Eval Cell Executions
• 10MB max per Dataset

Pro

• $49 per month

• Same limits as in Free, plus
• Unlimited Playgrounds
• Unlimited Workspaces
• 150MB max per Dataset

Team

• $500 per month

• 25 Users
• 100k+/month Requests
• 7.5k+/month Eval Cell Executions
• 1GB max per Dataset

Enterprise

Price on request

• Custom limits on everything
• Role Based Access Controls
• Deployment Approvals
• HIPAA with BAA
• Flexible Hosting Options
• Dedicated Support

Prices checked 2026-09-26 on the maker’s page.

Capabilities

• Self-hosted — “Enterprise Self-hosted, managed single-tenant” source
• API — “PromptLayer provides versioned prompts, programmatic APIs, webhooks, and evaluation workflows for controlled CI/CD releases.” source
• Official SDKs — “Treat prompt versions like deployable software artifacts: retrieve them through an SDK or REST API, run regression evaluations when they change, and promote release labels only after checks pass.” source
• Builds agents and workflows — “Build, trace, and improve agent workflows with prompts, tool calls, evaluations, and logs in one place.” source
• Traces and evaluates — “Connect production traces to prompt versions, inspect failures, and track cost, latency, and token usage.” source

Latest updates

• 2026-09-14 Deployment 1

  General performance and stability improvements

• 2026-09-10 Deployment 1

  Structured Search accepts Ctrl+Enter; FOR_LOOP column variable mappings are preserved; multi-value badges handle overflow and text wrapping.

• 2026-09-08 Deployment 1

  Added Gemini 3.8 Flash support across Google AI Studio, Vertex AI, and OpenRouter; updated GPT-5.6 Sol and Sol Pro pricing.