【保存版】無料なのにプロ級のイラストが制作できる最強の画像生成AIまとめ

The video introduces the concept of image generation AI, emphasizing its revolutionary impact. The speaker discusses the variety of image generation AI tools available and the common questions people have about which ones to use and whether they can be used for free. The focus is on recommending freely usable AIs that can generate high-quality images. The video also mentions that some well-known AIs like Midjourney are not free, hence not included in the discussion. The importance of understanding each AI's strengths and weaknesses is highlighted, along with the rapid evolution in the field.

The speaker delves into Stable Diffusion, an open-source AI known for its high-quality image generation. It is highlighted that anyone can use it freely due to its open-source nature. The video demonstrates how to use Stable Diffusion through a playground interface, mentioning that the service is available 24/7 but may vary in speed depending on the time of day and server status. The speaker also discusses the ability to generate images based on prompts, with examples provided, and touches on the potential for commercial use.

The video showcases the editing features of an AI, allowing users to modify generated images by expanding the canvas or making specific alterations within the image. It's noted that while the AI can create high-quality images, there are limitations to how much an image can be expanded without losing quality. The video also demonstrates how to add variations to an image to create a series of related pictures.

The speaker introduces PING Image Creator, a service operated by Rinna that utilizes the DALL-E model for high-quality image generation. It is mentioned that while the base model is DALL-E, the service is run by Microsoft, which has invested in OpenAI. The video explains the credit system used for image generation and the limitations for commercial use, emphasizing that the service is intended for personal, non-commercial purposes.

The video discusses Horora AI, an AI specialized in anime-style illustrations. It is available for free but with limitations; free users can only generate random images without specific prompts. The speaker explains the gem system used for image generation and how users can select different models to influence the style of the generated images. The video also mentions the option to increase the number of generated images at the cost of more gems.

Dream by Bombo is introduced as an AI that does not require membership registration, allowing immediate use. The video demonstrates how to generate images using prompts, with an example of creating an image of a person wearing a white shirt. The speaker highlights the ability to select styles and make edits to the generated images, such as changing colors or adding text.

Canva AI is introduced as an online design tool with integrated AI capabilities, allowing users to create icons and images easily. The video emphasizes Canva AI's support for the Japanese language, which is a rarity among image generation AIs that typically require English prompts. The speaker demonstrates how to generate images using Japanese prompts and adjust styles and aspect ratios.

Leonardo AI is presented as a highly recommended free image generation tool with a large free usage quota. The video explains the various models available within Leonardo AI, which can generate images ranging from RPG characters to pixel art. The speaker also demonstrates how to edit images, such as changing backgrounds or removing elements, and discusses the token system that allows for various editing options.

The video addresses the topic of copyright for images generated by AI. It is mentioned that while many AI services claim the user retains the copyright, there are considerations to keep in mind. The speaker warns that AI-generated images might closely resemble the original data used for training the AI, which could lead to copyright infringement issues. The video suggests that using AIs like Adobe Firefly, which is designed with copyright considerations in mind, might be a safer option.

The speaker compares PurpleCity, a fast AI chatbot, with ChatGPT. It is noted that PurpleCity can generate responses quickly and allows for sharing links, unlike ChatGPT. The video also discusses the decision-making process behind starting a blog, with the speaker advising against it for monetization purposes due to the challenges of marketing and sales, especially in a niche like beginner soccer parents.

The video touches on the question of whether to write in English or the native language when targeting an international audience. The speaker suggests that it depends on the target audience; if the aim is to reach English-speaking readers, then writing in English is advisable. However, for other audiences, writing in the native language might be sufficient, with the caveat that language translation features may not be entirely reliable.