--- title: Why LLMs Can't Answer This Without Tool Calls | daily.dev description: LLMs lack access to real-time information such as the current date or live weather data. To handle queries that require up-to-date context, tool calls are... canonical: https://daily.dev/posts/why-llms-can-t-answer-this-without-tool-calls-0umbsrvh1 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Why LLMs Can't Answer This Without Tool Calls | daily.dev og:description: LLMs lack access to real-time information such as the current date or live weather data. To handle queries that require up-to-date context, tool calls are... og:url: https://daily.dev/posts/why-llms-can-t-answer-this-without-tool-calls-0umbsrvh1 og:image: https://api.daily.dev/og/posts/0UMbSRVh1.png og:image:alt: Why LLMs Can't Answer This Without Tool Calls og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Why LLMs Can't Answer This Without Tool Calls **[Dan Vega](https://daily.dev/sources/dan-vega)** · 1 min read · 0 upvotes · 0 comments ## Summary LLMs lack access to real-time information such as the current date or live weather data. To handle queries that require up-to-date context, tool calls are necessary — first to retrieve the current date, then to fetch relevant data like weather forecasts based on that date. This illustrates the multi-step tool-calling pattern used in LLM-powered applications. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Mastering LLM Tool Calling: The Complete Framework for Connecting Models to the Real World](https://daily.dev/posts/mastering-llm-tool-calling-the-complete-framework-for-connecting-models-to-the-real-world-g3xjopzgl) · Machine Learning Mastery · 4 upvotes · 0 comments - [Your local LLM feels weak because you're treating it like a search engine](https://daily.dev/posts/your-local-llm-feels-weak-because-you-re-treating-it-like-a-search-engine-2vhydegdq) · XDA Developers · 0 upvotes · 0 comments - [The Real-Time Data Problem with LLMs](https://daily.dev/posts/the-real-time-data-problem-with-llms-sbjfcg0if) · SD Times · 1 upvotes · 0 comments - [Why I Don’t Trust LLMs to Decide When the Weather Changed](https://daily.dev/posts/why-i-don-t-trust-llms-to-decide-when-the-weather-changed-tkb3k5efh) · Towards Data Science · 1 upvotes · 0 comments --- Tags: [#llm](https://daily.dev/tags/llm), [#ai-agents](https://daily.dev/tags/ai-agents) [View this post on daily.dev](https://daily.dev/posts/why-llms-can-t-answer-this-without-tool-calls-0umbsrvh1) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Why LLMs Can't Answer This Without Tool Calls","url":"https://daily.dev/posts/why-llms-can-t-answer-this-without-tool-calls-0umbsrvh1","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/why-llms-can-t-answer-this-without-tool-calls-0umbsrvh1"},"datePublished":"2026-07-25T14:26:58.475Z","dateModified":"2026-07-25T14:27:17.113Z","description":"LLMs lack access to real-time information such as the current date or live weather data. 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