Best AI Social Media Caption Generators in 2026
Updated
In short: Ahrefs is ranked #1 of 43 as of 9 October 2026, ahead of PostNext and Rytr. The best-ranked option with a free plan is PostNext. The lowest first paid tier on this page is AI Social Media at $1.58/mo.
Good social captions need to fit both your brand voice and the platforms where you publish. Compared on brand voice controls, bulk generation, caption templates, hashtag generation, language count, and platforms supported, these tools also show free-plan availability and paid starting prices. Ahrefs, PostNext, and Rytr are among the options to weigh: check whether their listed controls match the way your team drafts and adapts posts. Language and platform coverage can narrow the field, while templates and bulk generation may matter when you prepare many captions. Use the pricing details alongside those capabilities to find a fit for your publishing workflow.
43 AI social media caption generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
AI Social Media Caption Generators, one module each. A lit port is something its maker publishes; 11 of the 25 on this page have a public API.
- 01 Ahrefs API yesOSS not on recordFREE yesDOCS 7.4$29/mo
- 02 PostNext API yesOSS not on recordFREE yesDOCS 7.3$4/mo
- 03 Rytr API yesOSS not on recordFREE yesDOCS 7.3$7.50/mo
- 04 LiteLaunch API yesOSS not on recordFREE yesDOCS 7.2$29/mo
- 05 Schedly AI API yesOSS not on recordFREE yesDOCS 7.2$19/mo
- 06 Copy.ai API yesOSS not on recordFREE not on recordDOCS 6.9$24/mo
- 07 Wordtiva API yesOSS not on recordFREE not on recordDOCS 6.9A$9/mo
- 08 Anyword API yesOSS not on recordFREE not on recordDOCS 6.7$49/mo
- 09 InMedia API yesOSS not on recordFREE not on recordDOCS 6.7$8.90/mo
- 10 PostQuickAI API yesOSS not on recordFREE not on recordDOCS 6.7$12.50/mo
- 11 Predis.ai API yesOSS not on recordFREE not on recordDOCS 6.7$24/mo
- 12 AI Auto Social API not on recordOSS not on recordFREE yesDOCS 5.9€5/mo
- 13 CaptionCraft API not on recordOSS not on recordFREE yesDOCS 5.9$9/mo
- 14 MediaPostAI API not on recordOSS not on recordFREE yesDOCS 5.9$19/mo
- 15 Optimate API not on recordOSS not on recordFREE yesDOCS 5.9£29/mo
- 16 Social9 API not on recordOSS not on recordFREE yesDOCS 5.9$20/mo
- 17 GravityWrite API not on recordOSS not on recordFREE yesDOCS 5.8$12/mo
- 18 HIX.AI API not on recordOSS not on recordFREE yesDOCS 5.8Free
- 19 Simplified API not on recordOSS not on recordFREE yesDOCS 5.8$79/mo
- 20 TextCortex API not on recordOSS not on recordFREE yesDOCS 5.8Free
- 21 Socaption API not on recordOSS not on recordFREE yesDOCS 5.7Free
- 22 AI Social Media API not on recordOSS not on recordFREE not on recordDOCS 5.5$1.58/mo
- 23 AllOnClouds AI API not on recordOSS not on recordFREE not on recordDOCS 5.5$19/mo
- 24 SPA AI Social Media Manager API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 25 Bento API not on recordOSS not on recordFREE not on recordDOCS 5.3$15.83/mo
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Platforms supported | Hashtag generation |
|---|---|---|---|---|---|---|---|---|
| 1 | Ahrefs | 7.4 | Free plan | $29/mo | Yes | 29 /mo | — | — |
| 2 | PostNext | 7.3 | Free plan | $4/mo | Yes | — | X (Twitter), Instagram, LinkedIn, TikTok, YouTube, Threads, Bluesky | Yes |
| 3 | Rytr | 7.3 | Free plan | $7.50/mo | Yes | 7.5 /mo | — | — |
| 4 | LiteLaunch | 7.2 | Free plan | $29/mo | Yes | 29 /mo | Instagram, LinkedIn, Twitter/X, Facebook, TikTok, Threads | Yes |
| 5 | Schedly AI | 7.2 | No | $19/mo | No | 19 /mo | Facebook, Instagram, X, TikTok, YouTube, LinkedIn, Telegram, Threads | Yes |
| 6 | Copy.ai | 6.9 | No | $24/mo | Yes | 24 /mo | — | — |
| 7 | Wordtiva | 6.9 | No | A$9/mo | Yes | — | — | — |
| 8 | Anyword | 6.7 | No | $49/mo | No | 39 /mo | — | — |
| 9 | InMedia | 6.7 | No | $8.90/mo | No | 8.9 /mo | Instagram, TikTok, LinkedIn | Yes |
| 10 | PostQuickAI | 6.7 | No | $12.50/mo | No | 8 /mo | Instagram, TikTok, YouTube, X, Threads, Bluesky, LinkedIn, Facebook | Yes |
| 11 | Predis.ai | 6.7 | No | $24/mo | No | 24 /mo | — | — |
| 12 | AI Auto Social | 5.9 | Free plan | €5/mo | Yes | — | TikTok, Instagram, Facebook, YouTube | Yes |
| 13 | CaptionCraft | 5.9 | Free plan | $9/mo | Yes | 9 /mo | Instagram, TikTok, X (Twitter), LinkedIn, Threads | Yes |
| 14 | MediaPostAI | 5.9 | Free plan | $19/mo | Yes | 19 /mo | Instagram, LinkedIn, Facebook, TikTok, Twitter/X, YouTube, Pinterest, Threads | Yes |
| 15 | Optimate | 5.9 | Free plan | £29/mo | Yes | — | Facebook Pages, Instagram, LinkedIn, TikTok, YouTube, X, Pinterest, Threads, Bluesky, Google Business | Yes |
| 16 | Social9 | 5.9 | Free plan | $20/mo | Yes | 20 /mo | Instagram, Facebook, LinkedIn, X (Twitter), TikTok, Pinterest, YouTube, Threads, Bluesky, Mastodon, Google Business | Yes |
| 17 | GravityWrite | 5.8 | Free plan | $12/mo | Yes | — | — | — |
| 18 | HIX.AI | 5.8 | Free plan | Free | Yes | — | — | — |
| 19 | Simplified | 5.8 | Free plan | $79/mo | Yes | 79 /mo | — | — |
| 20 | TextCortex | 5.8 | Free plan | Free | Yes | — | — | — |
| 21 | Socaption | 5.7 | Free plan | Free | Yes | — | Instagram, TikTok, Facebook, Twitter, LinkedIn | No |
| 22 | AI Social Media | 5.5 | No | $1.58/mo | No | 19 /mo | TikTok, Facebook, Instagram, X, YouTube, Reddit, Pinterest, LinkedIn, WhatsApp, Telegram | Yes |
| 23 | AllOnClouds AI | 5.5 | No | $19/mo | Yes | — | Instagram, TikTok, Facebook, LinkedIn, X, Pinterest, Threads | Yes |
| 24 | SPA AI Social Media Manager | 5.4 | No | — | No | — | Instagram, Facebook, LinkedIn, TikTok, X, Pinterest | Yes |
| 25 | Bento | 5.3 | No | $15.83/mo | No | 19 /mo | — | — |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which AI social media caption generator is ranked first on Inferse?
Ahrefs is ranked #1 of 43 with a score of 7.4. PostNext is second and Rytr third.
How many of these have a free plan?
14 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, AI Social Media has the lowest first paid tier we found: $1.58/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.