Traceloopvs
Langwatch


Langwatch: Dedicated LLM engineering platform with simulation-based testing

LLM reliability platform with open-source observability and evaluation
Overview
Traceloop is an LLM reliability platform designed to turn evaluations and monitors into a continuous feedback loop that improves every release. The platform provides comprehensive monitoring, quality evaluation, and debugging capabilities for LLM applications across 20+ LLM providers including OpenAI and Anthropic. Traceloop maintains close connection to OpenLLMetry, its open-source SDK built on OpenTelemetry standards, providing a lightweight instrumentation approach with just two lines of code. The platform sends observability data to 25+ popular observability platforms including Datadog, Honeycomb, and New Relic. Deployment options include cloud, on-premises, and air-gapped environments with SOC 2 and HIPAA compliance. Development support is available across Python, TypeScript, Go, and Ruby. The company is joining ServiceNow, representing a strategic shift toward broader enterprise integration and capabilities.
The honest half
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Traceloop.
Cross-shopped
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.


Langwatch: Dedicated LLM engineering platform with simulation-based testing


Arize AI: MLOps platform with LLM monitoring and evaluation


Braintrust: Evaluations platform focused on LLM quality assessment
Pricing
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
Enterprise
On request
Capabilities
Open-source SDK (OpenLLMetry)
Lightweight instrumentation with just 2 lines of code
Multi-provider support
Integrates with 20+ LLM providers including OpenAI and Anthropic
Observability platform integration
Send data to 25+ observability platforms
Framework support
Works with LangChain, LlamaIndex, and other LLM frameworks
Monitoring dashboard
Track LLM application performance and issues
Evaluation system
Quality scoring and continuous evaluation workflows
Deployment flexibility
Cloud, on-premises, and air-gapped environment support
Answered, with sources
Each answer names the page it came from, so you can check it rather than take our word for it.
Yes, OpenLLMetry is Traceloop's open-source SDK built on OpenTelemetry standards. It allows teams to instrument LLM applications with just 2 lines of code and send data to 25+ observability platforms.
SourceTraceloop is joining ServiceNow, representing a strategic acquisition that will broaden enterprise adoption and integration capabilities. Current operations continue with free and enterprise options available.
SourceTraceloop supports 20+ LLM providers including OpenAI and Anthropic, and integrates with frameworks like LangChain and LlamaIndex. It can send data to 25+ observability platforms.
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Softwr does not host reviews and shows no star rating for Traceloop, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
What people switch to, and what they give up
Every tier, and where the cost actually lands
Put it head to head with anything we hold
Its rating, and an embed for your own site
Software reliability platform with on-call management and agentic root cause analysis
Simple and effective cron job monitoring
Status pages with uptime monitoring and compliance-ready incident tracking
Monitoring for cron jobs, websites, and background tasks
AI-native incident management with automation, on-call, and root cause analysis
All-in-one incident management for alerting, on-call, and response
Active reliability platform combining uptime monitoring, API testing, and incident response