B.AI can be worth it if you wanted the product anyway and can meet the current requirement. Skip it if the qualifying action makes you spend, switch, borrow or invest in a way you would not otherwise choose.

What B.AI code should I use?

Use QW4Z3F, and confirm it is accepted before completing the qualifying action.

B.AI Review UK

B.AI review covering the current offer, reward, qualifying requirement and main watch-outs before signing up.

Last updated 17 September 2026

Best for

Developers who already need LLM API access for an IDE, coding agent or OpenAI-compatible client.

B.AI is worth considering if the product already fits what you need and you can meet the qualifying action without extra strain. The current offer is Varies. The key requirement to check is: Top up credits via the live Top up page (fiat and/or on-chain options) before sustained API/chat use — exact minimums follow the live UI. Use QW4Z3F where the sign-up flow asks for a code. AI API credit offers pay in USD prepaid usage credit or discounts, not cash; gateways may be third-party proxies rather than the model vendor; subscriptions can auto-renew; and privacy or retention claims should be checked against live terms.

Pros

Credit-based multi-model LLM chat and API access in one B.AI module.
Flexible login (wallet or centralized) and both fiat and on-chain top-up paths per docs.
Official docs list alternate access URLs if one entry point is unstable, and invite code QW4Z3F can be entered there.

Watch-outs

No verified fixed cash or fixed USD invite bank bonus on the public docs we checked.
Credit balances are for LLM usage, not withdrawable cash.
Wallet / on-chain top-ups add crypto custody and network-fee risk.

Current related offer

B.AI offer page

Ad / referral links — we may earn a bonus when you sign up.

Provider

B.AI

Credit-based LLM access

One account, a whole shelf of models. B.AI's LLM Service is a credit-based module with multi-model chat and an AI API under one roof. Join with invite code QW4Z3F — but let's be straight: the public docs show no fixed cash or USD signup bonus, so check your live dashboard for any grant. Top-up options are broad: fiat (Stripe-supported cards, WeChat Pay, Alipay, UnionPay) or on-chain, and you log in with a Web3 wallet signature or a Google-style centralised login. Use only the official hosts from their docs (chat.b.ai or chat.bankofai.io) — steer clear of lookalike domains in ads. Credits pay for LLM usage; they're not cash you can withdraw. Before getting serious, confirm the model list, API base URL, privacy terms and pricing on the live docs. It's a blockchain-adjacent ecosystem, so weigh the custody risk of wallet logins and on-chain payments yourself.

Requirement: Top up credit on the live Top up page (fiat or on-chain) before sustained use; minimums follow the live interface

Easy5-15 minutesPayout Credit-based LLM Service balance after fiat or on-chain top-up — no fixed cash invite bonus verified on the public docs we checked

Verified 17 September 2026

Get Credit-based LLM access ->

Referral code:

QW4Z3F

Full details & steps →

Full claim instructions are on the B.AI offer page.

Who it suits

Sign up via this B.AI invite for access to B.AI’s LLM Service — a credit-based multi-model chat and AI API module in the B.AI ecosystem. Docs describe fiat top-ups (including Stripe-supported cards, WeChat Pay, Alipay, UnionPay) and on-chain top-ups, plus wallet or Google-style centralized login. Prefer official B.AI access hosts listed in their docs (chat.b.ai or chat.bankofai.io). We did not verify a fixed cash or fixed USD signup bank bonus tied to invite code QW4Z3F — treat any grant as live dashboard/terms. Credits pay for LLM usage, not withdrawable cash. Confirm model list, API base URL, privacy and pricing on live docs before sending sensitive prompts or large top-ups.

Prepaid API credits and usage discounts only help if you were going to spend on model tokens anyway — this is not beer-money cash.

Offer value and requirement

The current page lists the headline reward as Varies.

Before signing up, check that you can meet this requirement: Top up credits via the live Top up page (fiat and/or on-chain options) before sustained API/chat use — exact minimums follow the live UI.

If a code is needed, the current code detail is: QW4Z3F.

Main watch-outs

AI API credit offers pay in USD prepaid usage credit or discounts, not cash; gateways may be third-party proxies rather than the model vendor; subscriptions can auto-renew; and privacy or retention claims should be checked against live terms.

Treat this review as a decision aid, not financial advice. The provider's live terms control eligibility, payout timing and any exclusions.

FAQ

Is B.AI worth it?: B.AI can be worth it if you wanted the product anyway and can meet the current requirement. Skip it if the qualifying action makes you spend, switch, borrow or invest in a way you would not otherwise choose.
What is the current B.AI offer?: The current offer headline is Varies with this requirement: Top up credits via the live Top up page (fiat and/or on-chain options) before sustained API/chat use — exact minimums follow the live UI.
What B.AI code should I use?: Use QW4Z3F, and confirm it is accepted before completing the qualifying action.