Trusted by AI innovators & global enterprises

Trusted by AI innovators & global enterprises

Trusted by AI innovators & global enterprises

How LangWatch compares to Humanloop

LangWatch Logo
LangWatch Logo

Agent simulation testing

Advanced simulation framework that tests multi-modal agents through complex multi-turn scenarios with API calls, tool usage, and state management validation.

Open-source platform

Transparent codebase with unlimited deployment flexibility and complete control over data processing, security policies, and feature development.

Native OpenTelemetry support

Built-in OpenTelemetry integration provides standardized tracing, metrics, and logging across all supported frameworks without additional configuration overhead.

Flexible evaluation framework

Dual-interface approach with powerful Python and TypeScript APIs for complex evaluation logic alongside intuitive UI for domain experts to create scenarios and assess outputs efficiently.

Automated prompt optimization

DSPy integration with optimization algorithms that systematically improve prompt performance through automated generation, testing, and selection of variants.

Arize Logo
Arize Logo
Arize Logo

Single-turn evaluation platform

Traditional evaluation platform focused on single input-output pairs with limited support for complex agent workflows and multi-step interactions.

Proprietary SaaS solution

Closed-source platform with restricted customization options and dependency on vendor-controlled infrastructure and feature roadmap decisions.

Custom instrumentation required

Requires proprietary SDK integration and custom instrumentation setup, limiting interoperability with existing observability infrastructure and monitoring tools.

GUI-based evaluation workflows

Platform-centric evaluation workflows designed primarily for manual testing and GUI-based configuration with limited programmatic automation capabilities.

Manual prompt management

Manual prompt versioning and A/B testing capabilities requiring human intervention for optimization decisions and performance improvement iterations across different model configurations.

What makes LangWatch different?

What makes LangWatch different?

Agent simulations

Agent simulations

Multi-turn agent simulation framework tests complex multi-modal workflows and API integrations before deployment, beyond traditional evaluation methods.

Self Deployed Monitoring

No vendor dependency risk

Self-hosted deployment options eliminate platform discontinuation risks and acquisition-driven shutdowns that can disrupt critical AI operations.

Self Deployed Monitoring

No vendor dependency risk

Self-hosted deployment options eliminate platform discontinuation risks and acquisition-driven shutdowns that can disrupt critical AI operations.

Self Deployed Monitoring

No vendor dependency risk

Self-hosted deployment options eliminate platform discontinuation risks and acquisition-driven shutdowns that can disrupt critical AI operations.

Voice AI Agent Testing

DSPy native

DSPy-powered optimization engine automatically improves prompt performance through systematic experimentation and algorithmic refinement techniques.

Voice AI Agent Testing

DSPy native

DSPy-powered optimization engine automatically improves prompt performance through systematic experimentation and algorithmic refinement techniques.

Voice AI Agent Testing

DSPy native

DSPy-powered optimization engine automatically improves prompt performance through systematic experimentation and algorithmic refinement techniques.

Discover LangWatch

Try LangWatch yourself or book some time with an expert to help you get set up.

Ship agents with confidence, not crossed fingers

Get up and running with LangWatch in as little as 5 minutes.

Ship agents with confidence, not crossed fingers

Get up and running with LangWatch in as little as 5 minutes.

Ship agents with confidence, not crossed fingers

Get up and running with LangWatch in as little as 5 minutes.