Laminar
6.8#14 in prompt engineering toolsFrom $30 a monthFree planWebAPISelf-hosted
VisitLaminar vs W&B Weave
What both publish
| Fact | Laminar | W&B Weave |
|---|---|---|
| Company | Y Combinator lists Laminar as founded in 2024 and located in London, United Kingdom. | Weights & Biases says it was founded in 2017 by Lukas Biewald, Chris Van Pelt, and Shawn Lewis and was acquired by CoreWeave in May 2025. |
| Evaluations | Users can run evaluations against datasets locally or in CI to catch regressions. | An imperative evaluation API compares application or model changes with visualizations intended to expose regressions. |
| Integrations | Documented integrations include OpenAI, Anthropic, Gemini, Cohere, LiteLLM, Vercel AI SDK, LangChain, Pydantic AI, Claude Code, Codex, Browser Use, Stagehand, Playwright, and others. | The deployment guide lists integrations for OpenAI, Anthropic, Cohere, Mistral, LangChain, LlamaIndex, DSPy, Google Gemini, Amazon Bedrock, Together and Groq. |
| Security | Laminar states it is HIPAA and SOC 2 Type II compliant and offers server-side PII redaction on eligible plans. | W&B describes AWS, Azure and Google Cloud hosting and says Trust Center certifications and security artifacts are available to approved customers. |
Laminar plans
- FreeFree
- Starter$30 a month
- Pro$150 a month
- EnterprisePriced on request
W&B Weave plans
- FreeFree
- Pro$60 a month
- EnterprisePriced on request
Pick Laminar if…
Laminar suits teams building AI agents that need trace inspection, run replay, evaluations or cost tracking. Its free plan may suit a small project, while self-hosting is an option for teams deploying on AWS or GCP.
Pick W&B Weave if…
Weave suits teams developing and monitoring production AI agents that need tracing, evaluations, and model or prompt comparisons. It also fits teams that use Python or TypeScript libraries or send OpenTelemetry traces.