Langtail
Product teams with mixed technical and non-technical members who need non-developers to co-author prompts without touching the codebase, and teams taking an LLM proof-of-concept to production who need regression testing and per-request cost and latency visibility across OpenAI, Anthropic, Gemini, Mistral, DeepSeek, and OpenRouter models.
Published subscription prices are in USD per month plus VAT: Free at $0 with unlimited users, 2 prompts/assistants, 1,000 logs per month, and 30-day retention
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