AI Governance Safety & Evaluation Freemium

Baserun

Collaborative LLM monitoring, prompt testing, tracing, and evaluation platform

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PricingFreemium
Starting price$49/seat
Free planYes
Free trialYes
APIUnknown
Open sourceNo
DeploymentCloud
Last verifiedAugust 3, 2026
Overview

Tool overview

Baserun is listed under AI Governance Safety & Evaluation AI tools.

Summary

What is Baserun?

Baserun is a collaborative platform for engineers and product experts to build, monitor, test, and improve LLM applications. It provides prompt experiments, templates, tracing, production monitoring, datasets, offline and online evaluation, automatic and human evaluators, feedback, debugging, and Python and JavaScript SDKs.

Best fit

Best for

Teams monitoring and evaluating LLM applications across development and production

Audience

Who is it for?

LLM application engineersAI product teamsQuality and evaluation teamsPlatform engineers
Recommendation

Decision note

Accepted for Preview after independent V411 official-source research. Apply only after failures = 0, warnings = 0, unmapped = 0, and review of controlled fields, Arabic v2 parity, outreach, affiliate status, logo QA, rebrand handling, and explicit clears.

Capabilities

Key features

LLM request and workflow tracing

Prompt experiments and version comparison

Offline, online, automatic, and human evaluation

Collaborative workspaces and debugging UI

Workflows

Use cases

Monitoring production LLM applications

Testing prompts before release

Evaluating model and prompt changes

Collecting feedback and annotations

Strengths

Pros

  • Starter plan includes free traces
  • Supports Python and JavaScript SDKs
  • Combines monitoring and evaluation
Considerations

Cons

  • Official changelog has not been updated recently
  • Pro pricing is charged per seat
  • Enterprise deployment requires discussion
Considerations

Limitations

Observability quality depends on complete instrumentation and appropriate evaluators. Teams must prevent sensitive data leakage, validate evaluation criteria, manage retention and permissions, account for provider costs, and avoid treating automated scores as a substitute for expert review.

Cost

Pricing details

Pricing modelFreemium
Starting price$49/seat
Free planYes
Free trialYes
Pricing context

Billing options

MonthlyUsage-based overageCustom enterprise
Pricing context

Pricing note

The official pricing page lists Starter as free with 10,000 traces per month and up to two users. Pro is $49 per seat with 100,000 included traces per month, then $10 per additional 10,000 traces. Enterprise pricing is custom.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

OpenAI

Anthropic

LangChain

LlamaIndex

PromptArmor

Specs

Technical details

PlatformsWeb
Multilingual supportUnknown
Login requiredYes
Open sourceNo
DeploymentCloud
CompanyMochi Labs, Inc.
Current versionPython SDK 2.0
Models / versionsOpenAI models Anthropic Claude Google Gemini Open-source and BYO models
Editions / plansStarter Pro Enterprise
Data confidenceHigh
Last verifiedAugust 3, 2026
Documentation → Source code → Release notes → Data source →
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Answers

Frequently asked questions

Baserun is a collaborative platform for engineers and product experts to build, monitor, test, and improve LLM applications. It provides prompt experiments, templates, tracing, production monitoring, datasets, offline and online evaluation, automatic and human evaluators, feedback, debugging, and Python and JavaScript SDKs.
Teams monitoring and evaluating LLM applications across development and production
The listed pricing model for Baserun is freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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