Humanloop
Former prompt management and evaluation platform; shut down September 2025 with official migration paths to W&B, PromptLayer and Agenta.
| Category | Prompt Management |
| Open source | No |
| Self-hostable | No |
| Pricing model | enterprise |
| Pricing notes | Service shut down Sept 2025 after Anthropic acqui-hire; listed for migration reference only |
| Framework integrations | openai-sdk, anthropic |
| Funding / ownership | Team acquired by Anthropic (2025); previously YC S20 |
Pricing/feature source: https://blog.promptlayer.com/humanloop-shutdown-guide-to-migrating-your-prompts-and-evals-to-promptlayer/
Frequently asked questions
Is Humanloop open source?
No — Humanloop is a proprietary/commercial product.
Can I self-host Humanloop?
No — Humanloop is cloud-only; there is no self-hosted deployment.
How much does Humanloop cost?
Enterprise. Service shut down Sept 2025 after Anthropic acqui-hire; listed for migration reference only