OpenRouter Chat is a browser playground for comparing language models on a single prompt.
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AI tools for Prompt Engineers
3,775 live tools · ranked by monthly traffic and community votes · dead links removed automatically
Most prompt tools assume your AI outputs work fine if they sound good
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Convolut functions as a personal AI context bank, solving the problem of repeatedly feeding the same background information to language models
161
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Rivet is an open-source visual programming environment for building AI agents with large language models.
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Portkey puts a single API in front of more than 1,600 language models and wraps it with the controls a production AI team needs.
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Langfuse is an open-source platform for observability and evaluation of AI agents and LLM applications.
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Helicone is an AI gateway and LLM observability platform that routes, debugs and analyzes requests from AI applications.
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Jina Reader converts a web page into clean, LLM-friendly Markdown.
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AI apps without code
357
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Drag and drop AI
163
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No-code AI workflows
184
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The OpenAI Agents SDK is a Python package for building agentic applications with very few abstractions.
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