AI for prompt versioning
Iterate, version, and test prompts across models.
| # | Tool | Category | Pricing | Visit |
|---|---|---|---|---|
| 1 | Langfuse Open-source LLM observability — tracing, evaluation, and prompt management | LLM Frameworks | Free | Visit |
| 2 | Humanloop LLM evaluation and prompt management — improve and deploy AI features in production | LLM Frameworks | Paid | Visit |
| 3 | Braintrust Enterprise AI evaluation platform — experiments, datasets, and production monitoring | LLM Frameworks | Freemium | Visit |
| 4 | PromptLayer LLM observability and prompt management — log, version, and analyze every AI call | LLM Frameworks | Freemium | Visit |
| 5 | OpenAI API GPT-5.6, embeddings, image, and speech APIs — the default LLM API for most AI apps | Code / DevTools | Freemium | Visit |