Langtail Alternatives

If you're looking for a replacement for Langtail, LangChain is a good candidate. The platform covers the entire lifecycle of LLM applications, including generation, testing, optimization, and deployment, with tools like LangSmith for monitoring performance and LangServe for API deployment. It's geared for financial services, FinTech and tech companies, with a free plan and pricing starting at $39 per user per month, with custom enterprise plans available.

Another good option is PROMPTMETHEUS. The platform lets you create, test, optimize and deploy prompts for more than 80 LLMs from different providers. It's got a prompt toolbox, performance testing and deployment options that integrate with third-party services like Notion, Zapier and Airtable. PROMPTMETHEUS has four pricing tiers, including a free Playground plan and PRO plan at $99/user/month, so it's good for a range of users.

If you need a no-code option, Airtrain AI offers an LLM Playground and tools for fine-tuning, evaluating and deploying your own AI models. It's got a Dataset Explorer for visualizing and clustering data and supports AI Scoring for model evaluation. Airtrain AI has three pricing tiers, including a free Starter plan and a Pro plan at $200/month, so it's a good option for data teams that have to wrangle large data pipelines and AI models.