JPG / PNG / GIF / WebP (max 2MB)
The AI will address you by this name
Log in to customize your AI characters.
Set names, professions, and prompts
to create your perfect brainstorming partners.
Leave empty for default
Affects the speaking style
The AI will weave in knowledge, terms, and stories from the chosen profession
Freely add personality, speaking style, catchphrases, etc. (max 500 chars)
Freely edit all character settings including personality and profession
This text becomes the system prompt directly (max 2000 chars)
Attached documents become background knowledge for this character. Max 50,000 chars total.
Please refrain from inputting settings that closely resemble real individuals, as this may have psychological effects.
Please be fully aware that all chat text is AI-generated.
Theme
Choose from 3 themes in Settings.
Break Mode
Select "Take a break" during chat to switch to casual conversation mode.
Select "Resume" to return to meeting mode.
Reset conversation
If a message derailed the discussion or caused problems, you can reset from that point.
Select a past message and a "▼ Delete from here down" button will appear below it. Feel free to redo the discussion.
Signing in with your Google account unlocks the following features:
Removes the 50-turn limit for 24 hours. Other features remain the same as the free logged-in tier.
Everything in the free tier, plus:
Everything in Light, plus:
If you have an Anthropic API key (sk-ant-...), you can use all features without any restrictions.
Enter your key in the "Own API Key" field in the SETTINGS panel.
Brainstorm with 3 AI characters
Click a participant to remove or invite them back at any time
Sign in and choose a plan.
Sign in to access file attachments and meeting history.
Sign in with Google| Seller | Fitnest Inc. |
| Representative | Akizumi Sato |
| Address | 2-30-8 Minami-Ikebukuro, Toshima-ku, Tokyo 171-0022, Japan |
| Phone | Disclosed promptly upon request |
| contact@aibs.jp | |
| Service | AIBS (en.aibs.jp) |
| Pricing | 1DAY ¥200 / Light ¥490/mo / MAX ¥1,480/mo (tax included) |
| Additional fees | None (internet connection costs are the customer's responsibility) |
| Payment | Credit card (Visa / Mastercard / American Express / JCB) |
| Billing | Light / MAX: charged on start date, auto-renewed monthly. 1DAY: charged immediately at purchase |
| Availability | Immediately available after payment |
| Cancellation | Subscriptions can be cancelled anytime via "Cancel / Change on Stripe" in SETTINGS. Service continues until the end of the current billing period. 1DAY is non-refundable due to the nature of digital content. |
| Refunds | As a general rule, refunds are not provided for digital services. Exceptions may apply in cases of serious service failure. Contact contact@aibs.jp. |
| Environment | Latest versions of Chrome, Safari, and Firefox recommended |
Fitnest Inc. ("we") handles the personal information of AIBS users as follows.
Data collected
Google account information (name, email, profile photo), payment information (processed by Stripe; card numbers are not stored on our servers), usage history, access logs
Purpose of use
Service provision and operation, authentication, payment processing, improvement and development, customer support
Third-party sharing
Shared with Google LLC (authentication), Stripe, Inc. (payment), and Anthropic, PBC (AI response generation) to the extent necessary for each service. No other sharing except as required by law.
Contact
contact@aibs.jp