Respan vs. promptfoo Comparison


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About Respan is a self-driving observability and evaluation platform built specifically for AI agents. It enables teams to trace full execution flows, including messages, tool calls, routing decisions, memory usage, and outcomes. The platform connects observability, evaluations, and optimization into a continuous improvement loop. Metric-first evaluations allow teams to define performance standards such as accuracy, cost, reliability, and safety. Respan also includes capability and regression testing to protect stable behaviors while improving new ones. An AI-powered evaluation agent analyzes failures, identifies root causes, and recommends next steps automatically. With compliance certifications including ISO 27001, SOC 2, GDPR, and HIPAA, Respan supports secure, large-scale AI deployments across industries.	About Promptfoo discovers and eliminates major LLM risks before they are shipped to production. Its founders have experience launching and scaling AI to over 100 million users using automated red-teaming and testing to overcome security, legal, and compliance issues. Promptfoo's open source, developer-first approach has made it the most widely adopted tool in this space, with over 20,000 users. Custom probes for your application that identify failures you actually care about, not just generic jailbreaks and prompt injections. Move quickly with a command-line interface, live reloads, and caching. No SDKs, cloud dependencies, or logins. Used by teams serving millions of users and supported by an active open source community. Build reliable prompts, models, and RAGs with benchmarks specific to your use case. Secure your apps with automated red teaming and pentesting. Speed up evaluations with caching, concurrency, and live reloading.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Respan is ideal for AI engineering teams, product teams, and enterprises deploying large-scale AI agents who need advanced observability, evaluation, and compliance-ready monitoring infrastructure	Audience Developers in need of a solution to test and secure their LLM apps
Support Phone Support Supported 24/7 Live Support Supported Online Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
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Pricing $0/month Free Version Not Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Supported In Person Supported
Company Information Respan Founded: 2023 United States www.respan.ai/	Company Information promptfoo United States www.promptfoo.dev/
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Categories AI Agent Observability Supported AI Development Supported AI Observability Supported AI Tools Supported DevOps Supported LLM Evaluation Supported	Categories LLM Evaluation Supported

Integrations Claude Supported Cake AI Not Supported Codestral Supported Codestral Mamba Supported GPT-3.5 Supported GPT-4 Supported Gemini 1.5 Flash Supported Gemini 2.0 Flash Supported Gemini Enterprise Supported Gemini Nano Supported Gemini Pro Supported Google AI Plus Supported Mathstral Supported Ministral 8B Supported Mistral AI Supported Mistral NeMo Supported Mistral Small Supported Mixtral 8x22B Supported Mixtral 8x7B Supported OpenAI Not Supported Show More Integrations View All 25 Integrations	Integrations Claude Supported Cake AI Supported Codestral Not Supported Codestral Mamba Not Supported GPT-3.5 Not Supported GPT-4 Not Supported Gemini 1.5 Flash Not Supported Gemini 2.0 Flash Not Supported Gemini Enterprise Not Supported Gemini Nano Not Supported Gemini Pro Not Supported Google AI Plus Not Supported Mathstral Not Supported Ministral 8B Not Supported Mistral AI Not Supported Mistral NeMo Not Supported Mistral Small Not Supported Mixtral 8x22B Not Supported Mixtral 8x7B Not Supported OpenAI Supported Show More Integrations View All 4 Integrations
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