Dev Team Builds Tool to Track Brand Visibility Across ChatGPT, Claude and Rivals

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A developer built Relevyn, a monitoring tool that measures how often and how favorably brands are mentioned by major AI assistants including ChatGPT, Claude, Perplexity, and Gemini. The tool sends prompts to all four engines and uses plain-text detection logic to identify brand mentions, their position in responses, sentiment, and competitor co-mentions. Key engineering challenges included handling inconsistent API failures and timeouts, which were addressed by switching to Promise.allSettled and adding per-engine retry logic with sequential prompt execution. Each full multi-engine scan costs roughly $0.06–$0.09 by mixing cheaper models for detection and reserving costlier ones for reasoning-heavy tasks. Because AI responses vary over time rather than returning static results, the team designed Relevyn as an ongoing monitor rather than a one-time audit tool.

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ProgrammingDEV Community ·

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