LangTest
One-click fine tuning of AI models , real time training
LangTest launched on December 5, 2024 with 10 votes, #1,989 of 5,365 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
LangTest is a powerful AI testing suite that helps ensure accuracy, compliance, and ethical performance across AI models.
The infrastructure layer that lets AI agents identify, communicate, and transact securely across enterprise boundaries.
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LangWatch2024 · langwatch.ai · ▲669Founder here. Langy is an AI engineer that lives inside our platform, LangWatch. It reads your production traces, writes Scenario tests and evaluations for the problems it finds, opens a pull request on your repo, and proves the fix by running those simulations in CI. A human still merges. Reachy robot from Hugging Face arrived on the same week we were planing on launching it, so we wanted to use for the launch. So we it wired to our Langy which actually lives on the platform, and asked it to test our own customer-support voice agent. On the video you can see it writing the agent tests…
Prompt-Engineering Tool: AI-to-AI Testing for LLM2023 · github.com · ▲37Spelltest framework simulates conversations between AI ‘synthetic users' in an environment to test and refine LLM-based applications. It ensures your app converse with utmost accuracy and relevance. Post-chat, Spelltest assesses responses, providing qualitative and quantitative feedback on performance. Suitable for both chat and completion modes. When to use: - After modifying your prompt. - When your LLM provider updates. - As a CI step for you repo. All feedback and collaborations appreciated!
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Source: Product Hunt launch ↗
