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LLM apps problems

15 problems, longest running first. The list grows every day.

ProblemThis week
Gemini users keep filing bugsGemini, GitHub, VS Code16d activeSeen on GitHub issues, Community forums+44 posts in the last 7 days, 5 the 7 days before (steady)
No reliable way to evaluate LLM app qualityllama.cpp, NVIDIA, Hugging Face, Qwen, GitHub, MLflow15d activeSeen on GitHub issues, Hacker News, Reddit+33 posts in the last 7 days, 3 the 7 days before (steady)
Claude app gets 1 and 2 star reviewsClaude, ChatGPT, GitHub, Claude Code, Perplexity, PyTorch13d active+2Seen on App Store reviews, GitHub issues, Reddit, Community forums, Stack Overflow+2828 posts in the last 7 days, 2 the 7 days before (rising)
API rate limits and usage caps block real workDeepSeek, Ollama, LangChain, Model Context Protocol, OpenRouter, Anthropic12d active+1Seen on GitHub issues, Hacker News, Reddit, Community forums+33 posts in the last 7 days, 3 the 7 days before (steady)
ChatGPT app gets 1 and 2 star reviewsChatGPT, Codex, OpenAI, Claude, Gemini, Perplexity11d activeSeen on App Store reviews, GitHub issues, Community forums+1717 posts in the last 7 days, 1 the 7 days before (rising)
Model Context Protocol users keep filing bugsModel Context Protocol, Microsoft Azure, Jira, Salesforce, ServiceNow, npm11d activeSeen on GitHub issues, Reddit+44 posts in the last 7 days, 1 the 7 days before (rising)
OpenAI users keep asking for helpOpenAI, LlamaIndex, PyPI, vLLM, GitHub, MLflow9d active+1Seen on Community forums, GitHub issues, Stack Overflow, Reddit+55 posts in the last 7 days, 2 the 7 days before (rising)
LLMs give confidently wrong answersGitHub, PyPI, Claude, Grok, ChatGPT, Power BI9d activeSeen on Hacker News, Reddit, Bluesky+44 posts in the last 7 days, 4 the 7 days before (steady)
LlamaIndex users keep filing bugsLlamaIndex, GitHub9d activeSeen on GitHub issues, Stack Overflow+22 posts in the last 7 days, 2 the 7 days before (steady)
Context windows run out on real workloadsOllama, vLLM, Cursor, Grok, ChatGPT, Codex8d active+1Seen on GitHub issues, Hacker News, Reddit, Community forums+66 posts in the last 7 days, 0 the 7 days before (rising)
AI agents are unreliable, loop or stall midwayModel Context Protocol, Claude, LangChain, Anthropic, OpenAI, Perplexity8d active+1Seen on GitHub issues, Hacker News, Bluesky, Reddit+11 post in the last 7 days, 5 the 7 days before (fading)
Anthropic users keep filing bugsAnthropic, OpenAI, Perplexity, DeepSeek, Ollama, Hugging Face7d activeSeen on GitHub issues, App Store reviews, Reddit+66 posts in the last 7 days, 0 the 7 days before (rising)
RAG retrieval returns irrelevant or missing contextGitHub, Vercel, SQL Server, Anthropic, OpenAI, Perplexity6d active+1Seen on GitHub issues, Hacker News, DEV, Reddit+33 posts in the last 7 days, 1 the 7 days before (rising)
Models fail to return valid structured outputGitHub, Hugging Face, Ollama, LlamaIndex, ChatGPT, Anthropic6d activeSeen on GitHub issues, Hacker News, Reddit+22 posts in the last 7 days, 2 the 7 days before (steady)
Grok users keep asking for helpGrok, Cursor, Claude6d activeSeen on Community forums, App Store reviews+44 posts in the last 7 days, 0 the 7 days before (rising)

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