LLM apps problems

12 problems, rising first. The list grows every day.

Problem	Companies	Active	Seen on	This week
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	Claude, ChatGPT, GitHub, Claude Code, Perplexity, PyTorch	13d activesince Aug 28	+1Seen on App Store reviews, GitHub issues, Reddit, Community forums, Stack Overflow	+2828 posts in the last 7 days, 2 the 7 days before (rising)
ChatGPT app gets 1 and 2 star reviewsChatGPT, Codex, OpenAI, Claude, Gemini, Perplexity11d activeSeen on App Store reviews, GitHub issues, Community forums	ChatGPT, Codex, OpenAI, Claude, Gemini, Perplexity	11d activesince Aug 28	Seen on App Store reviews, GitHub issues, Community forums	+1717 posts in the last 7 days, 1 the 7 days before (rising)
Context windows run out on real workloadsOllama, vLLM, Cursor, Grok, ChatGPT, Codex8d active+1Seen on GitHub issues, Hacker News, Reddit, Community forums	Ollama, vLLM, Cursor, Grok, ChatGPT, Codex	8d activesince Aug 28	Seen on GitHub issues, Hacker News, Reddit, Community forums	+66 posts in the last 7 days, 0 the 7 days before (rising)
Claude fails to return valid structured outputClaude, DeepSeek, OpenAI, Perplexity, Ollama, Hugging Face4d activeSeen on GitHub issues	Claude, DeepSeek, OpenAI, Perplexity, Ollama, Hugging Face	4d activesince Sep 7	Seen on GitHub issues	+33 posts in the last 7 days, 0 the 7 days before (rising)
Perplexity app gets 1 and 2 star reviewsPerplexity5d activeSeen on App Store reviews	Perplexity	5d activesince Sep 17	Seen on App Store reviews	+99 posts in the last 7 days, 3 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	GitHub, Vercel, SQL Server, Anthropic, OpenAI, Perplexity	6d activesince Aug 28	Seen on GitHub issues, Hacker News, DEV, Reddit	+33 posts in the last 7 days, 1 the 7 days before (rising)
Anthropic users keep filing bugsAnthropic, OpenAI, Perplexity, DeepSeek, Ollama, Hugging Face7d activeSeen on GitHub issues, App Store reviews, Reddit	Anthropic, OpenAI, Perplexity, DeepSeek, Ollama, Hugging Face	7d activesince Aug 27	Seen on GitHub issues, App Store reviews, Reddit	+66 posts in the last 7 days, 0 the 7 days before (rising)
Grok users keep asking for helpGrok, Cursor, Claude6d activeSeen on Community forums, App Store reviews	Grok, Cursor, Claude	6d activesince Aug 25	Seen on Community forums, App Store reviews	+44 posts in the last 7 days, 0 the 7 days before (rising)
Trouble with Anthropic raisesAnthropic, OpenAI, Perplexity, DeepSeek, Ollama, Hugging Face2d activeSeen on GitHub issues	Anthropic, OpenAI, Perplexity, DeepSeek, Ollama, Hugging Face	2d activesince Sep 9	Seen on GitHub issues	+22 posts in the last 7 days, 0 the 7 days before (rising)
Trouble with Gemini studioGemini3d activeSeen on Community forums	Gemini	3d activesince Sep 5	Seen on Community forums	+33 posts in the last 7 days, 0 the 7 days before (rising)
Qwen users keep asking for helpQwen, NVIDIA, Hugging Face, vLLM, PyTorch, GitHub3d activeSeen on Reddit, GitHub issues	Qwen, NVIDIA, Hugging Face, vLLM, PyTorch, GitHub	3d activesince Sep 8	Seen on Reddit, GitHub issues	+33 posts in the last 7 days, 0 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	Model Context Protocol, Microsoft Azure, Jira, Salesforce, ServiceNow, npm	11d activesince Aug 28	Seen on GitHub issues, Reddit	+33 posts in the last 7 days, 1 the 7 days before (rising)

LLM apps problems

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