ChainATM vs Brian
How does ChainATM compare to other AI crypto agents? Here's an honest side-by-side.
What Brian is
Brian (brianknows.org) is an AI agent that interprets natural-language prompts and executes DeFi actions like swaps, sends, lending, and staking. Available as a chat app and as an embeddable API.
Both are conversational, so the difference is reach rather than interface. Brian assumes you already hold crypto. ChainATM includes the fiat on-ramp, so the first purchase happens in the same place as everything after it.
Common questions
Is Brian or ChainATM better for buying and sending crypto?
It depends on which part you do most. Pick Brian if what your use case turns on is what it is strongest at: Broad DeFi action coverage (lending, staking, more); Available as embeddable API. ChainATM is the better choice if you want to buy, swap and send from one conversation instead of three separate flows, and it charges 0% ChainATM fees on USDC and EURC. ChainATM is non-custodial throughout: it never holds your funds, and purchases are executed by Coinbase straight into a wallet you control.
What does Brian cost compared to ChainATM?
Brian: Variable, pass-through fees from underlying protocols. ChainATM: 1 credit per transaction, from EUR 0.099 per credit, and 0% ChainATM fees on purchases of USDC and EURC. Other tokens use standard Coinbase on-ramp pricing. Network gas fees apply on both sides and go to the blockchain, not to the provider.
Can I use Brian and ChainATM together?
Yes. ChainATM is self-custody and does not require you to move away from Brian. Many people keep Brian and use ChainATM for the parts that are awkward elsewhere: cross-chain swaps in a single command, or fee-free USDC and EURC purchases.
Does ChainATM hold my crypto like Brian does?
No. Neither product holds your crypto: Brian and ChainATM are both self-custody. The difference is the interface, not the custody model. ChainATM is driven by plain-language text or voice rather than by forms, and we never have access to your keys in usable form.
Is ChainATM available in my country?
Availability depends on our on-ramp partners' supported regions. ChainATM is built by Noctra Labs UG (haftungsbeschränkt) in Trier, Germany, registered at Amtsgericht Wittlich under HRB 48033. The fiat on-ramp runs through Coinbase, with EUR purchases by SEPA, card and Apple Pay.
Feature Comparison
| ChainATM | Brian | |
|---|---|---|
| Approach | AI-powered text and voice commands | Web chat (also available as developer API/SDK) |
| Fees | 1 credit per transaction (from €0.099/credit). 0% on USDC and EURC. | Variable, pass-through fees from underlying protocols |
| AI Assistant | Yes. Natural language understanding. | Yes |
| Voice Commands | Yes, iOS app with voice control | No |
| Custody | Self-custody. Your keys, always. Biometric security. | Non-custodial (connects external wallets) |
| Swap & Send | Yes, buy, swap, and send in one chat interface | Yes, DeFi-focused |
| Cross-Chain | Yes, automatic routing via LI.FI across 9 chains | Limited, varies by routed protocol |
| Fiat Onramp | Yes, credit card, Apple Pay, bank transfer (via Coinbase) | No |
| Account Required | Email or social login, 30 seconds | Varies |
What Brian Does Well
Brian Strengths
- Broad DeFi action coverage (lending, staking, more)
- Available as embeddable API
- Non-custodial, uses your wallet
Brian Limitations
- No fiat onramp, must already hold crypto
- No voice commands
- No native mobile app
- Requires external wallet connection
When Brian is the better choice
Brian is genuinely the better choice for some people, and it is worth being straight about where. If any of these are what your use case turns on, pick Brian. A comparison page that cannot name the other product's advantages is not worth reading.
- Broad DeFi action coverage (lending, staking, more)
- Available as embeddable API
- Non-custodial, uses your wallet
When ChainATM is the better choice
ChainATM is the better fit if you are starting from euros rather than from an existing balance, and if you want voice as well as text.
Why Choose ChainATM Over Brian?
Voice on iOS
ChainATM has voice commands on iOS. Brian is text-only.
Fiat onramp built in
Buy crypto with credit card, Apple Pay, or bank transfer in the same app, powered by Coinbase. Brian requires you to already hold crypto.
0% on USDC and EURC
Stablecoin purchases are free of provider and transaction fees on ChainATM. Brian's pricing depends on routed protocols and spreads.
Cross-chain in one command
ChainATM routes cross-chain swaps automatically via LI.FI across 9 networks. Just say "Swap my ETH on Base to USDC on Solana".