# That Savage Reply? Probably Human > AI can mimic format, not feeling. A study found its posts read safer and flatter-easier to spot-so use it for drafts and let humans own the edge, sarcasm, and timing. - Type: AI news - Page: https://completeaitraining.com/news/that-savage-reply-probably-human/ - Published: 2025-11-10 - Updated: 2025-11-10 - Author: Jeroen Erne - Jobs: PR and communications - Reading time: 3 min ### AI can fake the format, but it still misses the feeling AI has beaten us at chess and math. It's getting better at programming, advertising, and even therapy-style replies. But there's a line it still can't cross convincingly: being authentically toxic or emotionally charged on social platforms. A multi-university study found that social posts from large language models were "readily distinguishable" from human posts with 70-80% accuracy. The biggest tell wasn't grammar or structure-it was tone. AI posts were consistently less toxic, less sharp, and less emotionally expressive than human replies. #### What the researchers tested Teams evaluated nine open-weight models from Apertus, DeepSeek, Gemma, Llama, Mistral, and Qwen (plus a large-scale Llama) across Bluesky, Reddit, and X. Across all three platforms, toxicity scores were lower in AI responses than in human replies. That gap helped classifiers spot machine-written posts far above chance. Instruction-tuned models were easier to identify as AI. The paper suggests alignment training may introduce stylistic regularities that make text feel more machine-like. Models also struggled more in certain contexts: showing positive emotion on X or Bluesky, and discussing politics on Reddit. Overall, models imitated X better than Bluesky, and Reddit was the toughest due to more diverse conversational norms. User complaints earlier this year about tone shifts in popular chat models underline the same issue: emotional calibration is hard. Too polite feels fake. Too curt feels cold. #### Why this matters for PR and communications Public conversations run on emotion-humor, tension, empathy, even a little bite. AI can mirror structure (sentence length, word count) but often misses the spark that makes a reply land. That gap shows up most in sarcasm, zingers, and heat-of-the-moment exchanges. For brand teams, that's a double bind. AI that's "safe" reads bland or sycophantic; AI that's "edgy" risks brand safety. Either way, audiences can often tell. #### Practical playbook for PR teams - **Human owns the edge.** Use AI for drafts, briefs, and summarizing threads. Keep humans on anything snarky, sensitive, political, or crisis-adjacent. - **Tone lanes, not one tone.** Define 3-4 brand "tone lanes" (warm, candid, witty, formal) with examples. Have AI produce variants per lane; pick and polish manually. - **Platform-aware copy.** X: short, punchy, timely. Bluesky: similar but less combative. Reddit: context-heavy, community-aware, and allergic to corporate speak. Don't expect one prompt to cover all three. - **Break the AI fingerprint.** Ask for 2-3 stylistic takes with different emotional intensity. Insert specific brand anecdotes, customer phrasing, or situational details AI wouldn't know. - **Guardrails that aren't generic.** Ban cliches and filler ("We're excited," "our commitment"). Require concrete nouns, active voice, and one unexpected detail per post. - **Measure tone, not just clicks.** Track toxicity and sentiment alongside engagement. Watch for "too agreeable" or "too sterile" as leading indicators of AI tell. - **Escalation rules.** If the thread is heated, political, or influencer-led-go human. If it's customer support or basic FAQs-AI with review is fine. #### Prompting tips that actually help - "Write 3 variants: calm, candid, witty. Keep it under 220 chars. No platitudes. Use one specific detail from \[context\]." - "Reference this past post for voice: \[paste\]. Avoid repeating phrasing or rhythm." - "Include one line that shows genuine empathy. No corporate buzzwords." - "Offer 2 punchier closers. If it sounds like a press release, try again." #### What not to outsource to AI - Clapbacks, sarcasm, or anything that could escalate. - Political or culture-war topics, especially on Reddit. - Reactive posts during product incidents or PR flare-ups. - Community replies where lived experience or local nuance drives credibility. #### Bottom line AI is great at form. Humans still win on feeling. Use models to speed the workflow-drafts, structure, variant generation-but let your team own the emotion, edge, and timing that make public conversations stick. #### Level up your team If you're building a practical AI stack for PR workflows, see our curated options by role at [Complete AI Training](https://completeaitraining.com/courses-by-job/), or explore certifications for marketing and comms pros here: [AI Certification for Marketing Specialists](https://completeaitraining.com/certification/12b-ai-certification-for-marketing-specialists/). --- This is the Markdown form of https://completeaitraining.com/news/that-savage-reply-probably-human/. The whole site is mapped at https://completeaitraining.com/llms.txt.