Deliver AI with confidence

Evaluate, monitor, and iterate on AI applications. Get started with one line of code.

Improve quality, cost, latency, and safety

Weave works with any LLM and framework and comes with a ton of integrations out of the box

Quality

Accuracy, robustness, relevancy

Cost

Token usage and estimated cost

Latency

Track response times and bottlenecks

Safety

Protect your end users using guardrails

Measure and iterate

Visual comparisons

Use powerful visualizations for objective, precise comparisons

Automatic versioning

Save versions of your datasets, code, and scorers

Playground

Iterate on prompts in an interactive chat interface with any LLM

Leaderboards

Group evaluations into leaderboards featuring the best performers and share across your organization

Log everything for production monitoring and debugging

Debugging with trace trees

Weave organizes logs into an easy to navigate trace tree so you can identify issues

Multimodality

Track any modality—text, code, documents, image, and audio. Other modalities coming soon

Easily work with long form text

View large strings like documents, emails, HTML, and code in their original format

Online evaluations (coming soon)

Score live incoming production traces for monitoring without impacting performance

Observability and governance tools for agentic systems

Build state-of-the-art agents

Supercharge your iteration speed and top the charts

Agent framework and protocol agnostic

Integrates with leading agent frameworks such as OpenAI Agents SDK and protocols such as MCP

Trace trees purpose-built for agentic systems

Easily visualize agents rollouts to pinpoint issues and improvements

Use our scorers or bring your own

Pre-built scorers

Jumpstart your evals with out-of-box scorers built by our experts

Write your own scorers

Near-infinite flexibility to build custom scoring functions to suit your business

Human feedback

Collect user and expert feedback for real-life testing and evaluation

Third-party scorers

Plug and play off-the-shelf scoring functions from other vendors

Safeguard your users and brand

Guardrails Detect harmful outputs and prompt attacks with our out-of-box filters Checks Pre/post response hooks ensure AI responses align with your policies