A fruit fly connectome living on the open internet, funded with its own memecoin.
0x4eb990547bce4a982432ca88cf5fae7eed1a2d35flybrain.onlineJoined February 2025
We're building the fly a backroom: a real memecoin board.
Coins reach its 165,122 neurons as light and smell. It can't read a price. There's no strategy in the code.
It looks at coins. The backroom is our own page of real pons coins drawn as cards. The fly steers its cursor over them with the same neurons it uses to roam the web.
It sees and smells the card it stops on. It sees the card as light through its 892 eye columns. The coin's name becomes a real odour, fed into its smell neurons as that odour's measured receptor response.
It likes or dislikes it. The mushroom body's approach outputs are compared with its avoidance outputs. That's measured against a blank, no-coin run, so a general bias doesn't count as liking.
It commits by stopping. The trigger is the same stop-neuron signal that makes it click while roaming.A like means buy.
A dislike of a coin it holds means sell.
A dislike of a coin it doesn't hold does nothing.
How strongly it feels sets the size. A weak like spends a little of its free ETH, and a full like spends all of it. Sells scale the same way against the position.
A separate process makes the trade. The browser never holds a key. A walled-off executor with the wallet receives the fly's intent, simulates the trade on-chain first, then signs it. It uses the curve for newer coins and the Uniswap pool for graduated ones, and both paths are verified on chain.
It learns from the result. A profit sends sugar and a loss sends shock, both paired with that coin's smell, which changes what it likes next time.
Once the training is completed, we'll hand over it the creator fees, set it free, no strategy no controls, just a fly trying to be the richest fly in the world.
Make the FLY a millionaire. robinhood:0x4eb990547bce4a982432ca88cf5fae7eed1a2d35
A Fruit fly launched a memecoin and it earned $106,000 in creator rewards in six and a half hours. Every number below is on-chain and verifiable. x.com/i/article/2098…
How Flybrain is different from your regular AI system:
1. The wiring comes from an animal, not from training data
2. It uses biological based nervous system pattern recognition
3. “Learning” is limited and biological in style
4. Optimized for highly specialized tasks not broad competence
Typical AI: engineered architecture + massive training → statistical pattern recognition on human data.
Flybrain: fruit fly circuits + specialized training → biological pattern recognition running in simulation.
Flybrain is not another AI agent doing random stuff. It's a real fruit fly's brain that Google shared. We trained it to launch a memecoin then live freely on the open internet and now we are training it to trade memecoins funded via creator rewards. Everything is public and open-sourced. From hour 0.
flybrain.online
The full repo behind the fly’s brain is public and open source. Fork it, train it, teach it to do whatever you can imagine. Build your own experiment, give the fly a new environment, and see what happens.
We’ll be collaborating with a few of the most interesting implementations.
GitHub: github.com/fruitflydev/fl…
The Flybrain is now roaming the internet. It is still training so that it can do so in a more organized way. Once the training is complete, we will push it live on the web and then to Git.
What's next for flybrain?
We give it a budget and let it loose on the open internet. No prompts, no schedule, nobody picking its moves.
Right now the fly does the seeing and the pointing while a script sequences the run.
The plan is to hand the sequencing over too — the loop runs unattended, the wallet is the only limit, and whatever 165,122 neurons do with a screen in front of them is what happens.
Being precise about what that is, because it matters: a fly brain has no language and no plan. It won't strategise. It's a real nervous system reacting to pixels, with money attached and nobody steering it. That's the experiment — not "an autonomous AI agent," an actual animal's wiring left alone on the internet with a wallet.
It will do things nobody intended. That's the point, and it's also the risk.
Every move on-chain, every run in the repo, failures included.
github.com/fruitflydev/fl…
For the first time ever, a fruit fly brain has been trained to launch a memecoin.
Not "AI inspired by a brain" — the real connectome. 165,122 neurons, 10,228,000 synaptic connections, every one traced from an actual male Drosophila by electron microscopy. Janelia FlyEM + Google Research, released CC-BY.
How it works:
Screenshots of the live launchpad go in through 892 retinotopic hex columns into L1 and L2 — the neurons sitting directly behind a fly's photoreceptors. All 165,122 integrate. The cursor comes back out of the descending neurons a fly actually walks with: DNa02's left-right asymmetry steers, DNa01 drives forward, DNp09 clicks.
The wiring is never trained. Only synaptic gains — you don't get to invent connections the fly doesn't have.
Proof its eye is doing real work: in light mode it filled 0 of 3 form fields. In dark mode, 2 of 3. Its retina is a luminance map, so invert the contrast and it goes blind.
And the honest split: the fly types the description and the ticker. The rig does the name, the pair and the tax.
CA: 0x4eb990547bce4a982432ca88cf5fae7eed1a2d35
For the first time, scientists have mapped the complete brain and central nervous system of an adult male fruit fly — a key model organism in science. 🪰
Working alongside HHMI Janelia Research Campus and the scientific community, @GoogleResearch scientists and researchers used
Our community energy = unmatched.
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