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10 problems matching ChatGPT, longest running first. The list grows every day.

ProblemThis week
Claude app gets 1 and 2 star reviewsLLM appsClaude, 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)
ChatGPT app gets 1 and 2 star reviewsLLM appsChatGPT, 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)
Codex users keep filing bugsAI codingCodex, ChatGPT, GitHub, LangChain, Ollama, VS Code11d activeSeen on GitHub issues+22 posts in the last 7 days, 2 the 7 days before (steady)
VS Code users keep filing bugsDev toolingVS Code, Claude Code, GitHub Copilot, Claude, ChatGPT, Codex10d activeSeen on GitHub issues+22 posts in the last 7 days, 4 the 7 days before (fading)
LLMs give confidently wrong answersLLM appsGitHub, 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)
Context windows run out on real workloadsLLM appsOllama, 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)
Deprecations force unplanned migrationsOutages and changeOpenAI, GitHub, ChatGPT, Anthropic, Ollama, Docker7d active+1Seen on GitHub issues, fru.dev sites, Hacker News, Reddit+44 posts in the last 7 days, 1 the 7 days before (rising)
Deploying and serving models is harder than trainingMLOpsMLflow, GitHub, ChatGPT, Codex, Llama, Ollama7d activeSeen on GitHub issues, Hacker News, Reddit+11 post in the last 7 days, 2 the 7 days before (steady)
Models fail to return valid structured outputLLM appsGitHub, 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)
Integrations between tools are brittle glue codeDev toolingHugging Face, Claude, Ollama, GitHub Copilot, VS Code, ChatGPT5d activeSeen on GitHub issues+11 post in the last 7 days, 2 the 7 days before (steady)

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