CalypsoAI vs Weights & Biases Weave

CalypsoAI is an AI security company founded in 2018 with co-headquarters in San Mateo, California and Dublin, Ireland. The platform provides runtime security for enterprise GenAI — scanning prompts and responses for prompt injection, data leakage, and policy violations — with adaptive policies that evolve with new attack patterns. The company has announced plans to grow its Dublin team to 100 employees.

Weights & Biases (W&B) is a San Francisco-based MLOps and LLMOps platform founded in 2017. Weave is W&B's product layer purpose-built for LLM observability, evaluation, and governance. It provides automatic tracing of LLM calls (inputs, outputs, latency, cost), evaluation pipelines with human and automated scoring, dataset versioning, and guardrails to block prompt attacks and harmful outputs. Weave integrates with major LLM providers including OpenAI, Anthropic, Google Gemini, and frameworks such as LangChain and LlamaIndex. For AI compliance, W&B runs EU AI Act-focused webinar series demonstrating how Weave can generate compliance dossiers for high-risk AI systems, providing audit trails and evidence generation. The platform holds SOC 2 Type II certification. Enterprise tier includes SSO, RBAC, and private cloud deployment. W&B has raised $305M total and was valued at $1.25B in 2023.