A digital model of a fruit-fly brain is now generating strange story pitches through a project called PitchFly. The experiment uses an open-source connectome—a detailed map of neural connections—to remix patterns from popular WIRED headlines into ideas that are often amusing, confusing and unexpectedly specific.
The project is built around the brain of a male drosophila, the common fruit fly. Its connectome was developed by researchers from Google and academic institutions and charts 166,000 neurons along with 125 million connecting synapses. The map is intended to represent how the fly’s neural system responds to stimuli, creating a simple form of artificial intelligence based on biological intelligence.
How PitchFly generates ideas
PitchFly was created by importing the connectome into a software project with AI assistance. Hundreds of popular WIRED headlines from the past year were collected and converted into words and phrases that a neural network could process.
The system was then given the best-performing stories and asked to produce new ideas from the patterns. The result is not a language model built around a fly. The virtual brain does not understand the meaning of the words or assess whether a suggestion makes sense. It is recombining patterns in new ways.
Examples from the project include:
- “The Hidden Weather Problem Inside Surveillance”
- “The Engineers Who Think Elon Musk Needs Less Computer Security”
- “Everyone Wants Cooking. Nobody Has Solved Donald Trump.”
- “The Tiny Shift in Agentic AI Is Rewriting the Rules of Food and Drink”
- “The Race to Reinvent Privacy Before Artificial Intelligence Breaks”
The creator described the result as a proof of concept rather than a replacement for a human writer. A future version could continue learning from new WIRED headlines, but the current system mainly demonstrates how a mapped biological circuit can be connected to a creative software task.
Other experiments with the fly connectome
The connectome’s release in early September prompted a range of projects built around virtual fruit-fly intelligence. Lyra Bubbles demonstrated a system involving the VR game Beat Saber, while Alex Wormuth, a software engineer at Coinbase, created StonkFly, which uses the fly’s brain to make stock-trading decisions. StonkFly is losing money, although it has performed surprisingly well in context.
Wormuth described the fly as a source of humorous relief during concern about the existential risks of AI. He also said the project raised philosophical questions about ethics and whether a replication of the fly’s brain might involve any consciousness.
Other experiments have placed the connectome in Doom, Minecraft and Pong. Some projects reportedly trained fly brains to solve Rubik’s cubes, while another used one to drive virtual cars. The virtual flies were poor at parallel parking.
The status of every project is not confirmed. Some may be animations or spoofs rather than genuine applications of the connectome. Alongside the playful demonstrations, however, there are serious projects involving connectome visualizations and tools for manipulating neural circuitry.
Why mapping small brains matters
Studying the brains of smaller animals may help neuroscientists investigate the biological foundations of intelligence. Mapping all 86 billion neurons in a human brain is not yet possible, but detailed maps of simpler nervous systems can offer a more manageable way to test ideas about how intelligence emerges.
Researchers can also use a fly connectome to explore how damage may affect neuronal wiring. Such work could contribute to theories about how damaged neural circuits might eventually be repaired, although the project itself does not establish a treatment or repair method.
The experiments also illustrate a broader shift in AI development. Large language models remain powerful, but smaller systems designed for specific tasks may sometimes be more practical. PitchFly uses a biological map for a narrow creative purpose rather than attempting to reproduce general human intelligence.
Conclusion
PitchFly is a playful demonstration of what an open-source fruit-fly connectome can do when combined with AI-assisted software development. Its strange pitches do not show that the virtual brain understands language, but the project connects entertainment with serious questions about intelligence, neural circuits and specialized AI.
Frequently Asked Questions
Q. What is PitchFly?
PitchFly is a website that uses a fruit-fly brain connectome to generate story ideas from patterns found in popular WIRED headlines.
Q. How many neurons does the mapped fruit-fly brain contain?
The connectome charts about 166,000 neurons and 125 million connecting synapses.
Q. Does PitchFly understand the words in its headlines?
No. The virtual brain does not understand the words or determine whether its ideas make sense; it remixes patterns.
Q. What other projects use the fruit-fly connectome?
Reported experiments have involved Beat Saber, stock trading, Doom, Minecraft, Pong, Rubik’s cubes and virtual driving.
Q. Why are neuroscientists interested in mapping small brains?
Detailed maps of smaller nervous systems may help researchers study intelligence, neuronal damage and the possible repair of neural wiring.
Q. Is every fruit-fly project verified as using the connectome?
No. Some demonstrations may be animations or spoofs, while other projects focus on serious connectome visualization and neural-circuit tools.














