What you are actually choosing between
“Best AI for social media” hides two different decisions: which tool writes the best posts, and which tool runs your pipeline of scheduling, publishing, and measuring. General assistants like ChatGPT and Claude dominate the writing decision — they are the strongest, most flexible, and cheapest way to draft posts — but they stop at the text. Dedicated platforms like Buffer AI and Taplio bundle competent writing with the operational machinery a consistent posting habit needs. Knowing which problem you are solving is the whole game, because the answer flips depending on whether you post occasionally or run accounts daily across several platforms.
Buffer AI
Buffer is a long-established multi-platform scheduler that added an AI assistant for generating and repurposing posts. Its strength is breadth: it supports X, LinkedIn, Instagram, Facebook, and more inside one calendar, so the AI sits directly in the publishing workflow — write, tailor per platform, schedule, and track in one place. The AI writing is solid rather than spectacular, best used to draft and repurpose at speed. There is a free tier for light use, with paid plans priced by the number of connected channels, making it a sensible default for small teams and creators who post across several networks.
Taplio
Taplio is purpose-built for LinkedIn, and that focus is its advantage. It combines AI post generation with a content inspiration feed, scheduling, engagement tools, and analytics all tuned to LinkedIn’s format and algorithm, plus features like finding viral posts in your niche to model. For someone whose growth strategy is LinkedIn-first, that depth beats a general-purpose scheduler. The tradeoff is scope and price: it does one platform very well at a premium, so it is overkill if your priority is Instagram or X, where a multi-platform tool serves you better.
ChatGPT, Claude, and other general assistants
For raw writing quality and cost, general assistants are hard to beat. They produce the most natural, varied, and on-brief copy, adapt instantly to any platform’s tone, and can brainstorm angles, hooks, and entire content calendars — all for a flat subscription far below the dedicated tools. What they lack is the pipeline: no scheduling, no publishing, no analytics, and no memory of your account performance. The common, effective pattern is to write in a general assistant and schedule in a lightweight tool, getting top-tier copy and a publishing workflow without paying premium prices for both in one product.
How to choose and get good results
Pick by your real bottleneck. If writing is the hard part and you publish manually, a general assistant alone is the cheapest strong choice. If consistent multi-platform posting is the challenge, Buffer AI consolidates writing and scheduling. If you are betting on LinkedIn, Taplio’s focused toolkit earns its premium. Whichever you choose, quality depends on input: feed the tool examples of your best past posts, a precise description of your voice, and specific angles rather than vague topics, then edit every draft for a genuine point of view before publishing. The tool that wins is the one that fits your platform mix and your workflow — and AI is a drafting accelerator, not an autopilot.