Freemium AI Copywriting APIs

Browse freemium AI APIs specialized in copywriting. Compare features and pricing.

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ChatGPT

Conversational AI assistant by OpenAI for text, image, voice and code tasks.

$20
Claude

AI assistant by Anthropic focused on safety, reasoning and long-context tasks.

$20
Google Gemini

Multimodal AI assistant by Google DeepMind integrated across Google products.

$20
Microsoft Copilot

AI assistant by Microsoft embedded across Windows, Office 365 and Edge.

$20
Le Chat

Conversational AI assistant by Mistral AI with open-weight model options.

Qwen Chat

Alibaba's multimodal AI assistant based on the Qwen model family.

Zhipu ChatGLM

Bilingual AI assistant by Zhipu AI based on the GLM model family.

ERNIE Bot

Baidu's AI assistant based on the ERNIE large language model family.

Copy.ai

AI-powered go-to-market platform for sales and marketing workflows.

$36
Writesonic

AI writing and SEO platform with Article Writer, Chatsonic and Audiosonic.

$13
Anyword

AI copywriting platform with predictive performance scoring.

$49
Surfer SEO

AI-powered on-page SEO platform with content editor and audit tools.

$89
Synthesia

AI video generator for avatar-led training and explainer videos.

$29
HeyGen

AI video generator with avatars, voice cloning and video translation.

$24
HubSpot AI

AI features inside HubSpot CRM for marketing, sales and service.

$20
DeepL

AI-powered translation platform with high-quality output and Write features.

$8.74
Mintlify

AI platform for generating and maintaining software documentation.

Hour One

AI video platform for business training and corporate comms.

$25
Colossyan

AI video creator with workplace-ready avatars and scenarios.

$28
BHuman

AI personalized video at scale for sales and marketing.

$39
Fliki

AI text-to-video with voiceovers for social and marketing.

$21
Invideo AI

AI text-to-video generator with stock media and voiceovers.

$25
VEED.IO

Online video editor with AI features for creators and teams.

$25
Elai.io

AI video generation with avatars and presentations from text.

$29
Predis.ai

AI social media content generator and competitor analysis.

$27
Semrush AI

AI features inside Semrush for SEO research and content.

$129.95
Ahrefs AI

AI features inside Ahrefs SEO suite for content research.

$129
MarketMuse

AI content research and optimization platform for SEO teams.

Scalenut

AI SEO and content marketing platform with cruise mode.

$23
LanguageTool

Open-source multilingual grammar and style checker.

$4.99