Promptfoo
LangFast
告别繁琐的API密钥和注册流程，即刻在50余种主流大型语言模型上测试、比较并精调提示词。支持JSON Schema强制校验、运行测试以及团队协作。借助 LangFast，助您更快地构建更优质的AI。
Promptfoo
| Launched | 2023-05 |
| Pricing Model | Free |
| Starting Price | |
| Tech used | Cloudflare Analytics,Google Analytics,Google Tag Manager,Cloudflare CDN,Google Fonts,Emotion,Atom,Gzip,HTTP/3,OpenGraph,OpenSearch,RSS,Algolia |
| Tag | Prompt Library |
LangFast
| Launched | 2025-02 |
| Pricing Model | Free Trial |
| Starting Price | $60 |
| Tech used | |
| Tag | Developer Tools,Prompt Management,Prompt Generators |
Promptfoo Rank/Visit
| Global Rank | 310472 |
| Country | United States |
| Month Visit | 106175 |
Top 5 Countries
34.1%
8.98%
5.8%
3.28%
3.17%
United States
India
Turkey
Germany
Indonesia
Traffic Sources
2.55%
0.8%
0.1%
7.34%
48.2%
41%
social
paidReferrals
mail
referrals
search
direct
LangFast Rank/Visit
| Global Rank | 5364067 |
| Country | |
| Month Visit | 2761 |
Top 5 Countries
Traffic Sources
Estimated traffic data from Similarweb
What are some alternatives?
When comparing Promptfoo and LangFast, you can also consider the following products
PromptTools - PromptTools 是一个开源平台，帮助开发者通过实验、评估和反馈来构建、监控和改进 LLM 应用。
PromptLayer - 优化大型语言模型（LLM）提示词工程。PromptLayer 提供集管理、评估与可观测性于一体的平台。助您更高效地构建卓越AI。
PromptShuttle - 别再让 LLM 提示词四处散落了！PromptShuttle 助您在代码之外管理、测试和监控提示词。统一模型，实现无缝协作。
Evaligo - Evaligo：您的一站式 AI 开发平台。构建、测试并监控生产级提示词，从而实现可靠 AI 功能的规模化部署。防止代价高昂的功能退化。