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+ GPT-5, Claude, Gemini
Write LinkedIn posts tuned to the 6 angles that actually perform in 2026: personal story, business lesson, contrarian opinion, list / carousel text, case study, and open question. Hook enforced on line 1, 3K-character limit tracked live, engagement-bait patterns flagged so your post doesn't get deboosted. Preview shows what it'll look like in-feed.
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curl -X POST https://api.free.ai/v1/chat/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"model": "qwen7b", "messages": [{"role": "user", "content": "Write an Instagram caption for a product launch."}]}'Ibintu - FAQ
Free.ai in 6 ku i in 2026: Bwite, Ibicuruzwa,, Urutonde,, na Gufungura Ikibazo. Umwanya A Sisitemu Kugirango i Imiterere (ku Umurongo: 1, Bito Ingingo, ubusa Imirongo hagati, -). 3K - Inyuguti Cap. 3 Kuri A / Igerageza.
Taplio is $39-65/month (LinkedIn-only growth suite). Supergrow is $16-39/month (post scheduler + AI). AuthoredUp is $7-29/month (formatting tools). Shield Analytics is $15-83/month (analytics, no writing). Jasper is $49-125/user/month (general writing). Free.ai generates the post for free. Pair with Shield/Taplio for scheduling + analytics once you have a cadence.
Yes - Qwen 3 30B on our GPUs. 3 variants of a medium-length post cost ~500 tokens. Free accounts get 30,000 daily-pool tokens - ~20 posts per account cycle. Premium models (Claude Sonnet, GPT-5) produce warmer human voice; worth the cost for personal-brand pages.
The hook. LinkedIn truncates posts at char ~220 with a "...see more" cutoff. If line 1 + line 2 do not hook the reader to click, impression count flatlines. Our system prompt forces a strong hook. Secondary factors: short paragraphs (1-3 sentences each), blank-line breathing room, and a genuine question at the end (NOT "comment YES below" - that gets deboosted).
The model is instructed to never use "comment YES below", "like if you agree", "follow for more", or "share if you care". LinkedIn's algorithm explicitly deboosts these. We also flag bait in the preview if you edit it back in. Use the genuine "engagement question" toggle instead - it produces questions like "How has your team handled this?" which drive real comments.
No - the Case Study angle system prompt refuses to invent stats. If your brief lacks numbers, it will ask you to add them rather than make them up. LinkedIn users call out fake numbers in comments fast; fabricated case studies hurt credibility more than helping reach.
No - first post runs free, no email, no credit card. Creating a free account unlocks the 30K/day pool, 7-day share links (24h anonymous), generation history, and premium model access.
Caption is platform-agnostic (Instagram / Facebook / Twitter). LinkedIn post is LinkedIn-specific - structured for the feed (truncation at 220 chars), longer format (up to 3K chars), professional tone, and algorithm-aware (no engagement bait). Use caption for Instagram/Facebook posts; use this for LinkedIn only.
Yes - 0-8 hashtags via the slider. Best practice in 2026: 3-5 hashtags. More than 5 looks spammy; zero reduces discoverability. Hashtags are appended on the last line, space-separated, camelCase (#ProductManagement not #productmanagement).
Personal story: best for building personal brand + follower growth. Business lesson: best for thought-leadership credibility. Contrarian opinion: highest comment volume (also most risk). List post: best for actionable frameworks + saves. Case study: best for B2B credibility + inbound leads. Open question: lowest effort, highest comment-to-impression ratio.
Yes - all 99 Free.ai languages. Type your topic in Portuguese / Japanese / German and the post returns in the same language with locally appropriate professional register (Sie-form in German, keigo in Japanese, formal usted in Spanish).
Yes - POST to /v1/chat/ with the LinkedIn-post system prompt (see template source). Useful for personal-brand automation or agencies managing multiple exec LinkedIn accounts. Bearer auth, monthly limits. Docs at /api/.
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