OpenAI Really Wants Codex to Shut Up About GoblinsOpenAI has a goblin problem.
Instructions designed to guide the behavior of the company’s latest model as it writes code have been revealed to include a line, repeated several times, that specifically forbids it from randomly mentioning an assortment of mythical and real creatures.
“Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely and unambiguously relevant to the user’s query,” read instructions in Codex CLI, a command-line tool for using AI to generate code.
It is unclear why OpenAI felt compelled to spell this out for Codex—or indeed why its models might want to discuss goblins or pigeons in the first place. The company did not immediately respond to a request for comment.
OpenAI’s newest model, GPT-5.5, was released with enhanced coding skills earlier this month. The company is in a fierce race with rivals, especially Anthropic, to deliver cutting-edge AI, and coding has emerged as a killer capability.
In response to a post on X that highlighted the lines, however, some users claimed that OpenAI’s models occasionally become obsessed with goblins and other creatures when used to power OpenClaw, a tool that lets AI take control of a computer and apps running on it in order to do useful things for users.
“I was wondering why my claw suddenly became a goblin with codex 5.5,” one user wrote on X.
“Been using it a lot lately and it actually can’t stop speaking of bugs as ‘gremlins’ and ‘goblins’ it’s hilarious,” posted another.
The discovery quickly became its own meme, inspiring AI-generated scenes of goblins in data centers, and plug-ins for Codex that put it in a playful “goblin mode.”
AI models like GPT-5.5 are trained to predict the word—or code—that should follow a given prompt. These models have become so good at doing this that they appear to exhibit genuine intelligence. But their probabilistic nature means that they can sometimes behave in surprising ways. A model might become more prone to misbehavior when used with an “agentic harness” like OpenClaw that puts lots of additional instructions into prompts, such as facts stored in long-term memory.
OpenAI acquired OpenClaw in February not long after the tool became a viral hit among AI enthusiasts. OpenClaw can use any AI model to automate useful tasks like answering emails or buying things on the web. Users can select any of various personae for their helper, which shapes its behavior and responses.
OpenAI staffers appeared to acknowledge the prohibition. In response to a post highlighting OpenClaw’s goblin tendencies, Nik Pash, who works on Codex, wrote, “This is indeed one of the reasons.”
Even Sam Altman, OpenAI’s CEO, joined in with the memes, posting a screenshot of a prompt for ChatGPT. It read: “Start training GPT-6, you can have the whole cluster. Extra goblins.”
#OpenAI #Codex #Shut #Goblinsopenai,artificial intelligence,coding,agentic ai,trolls
OpenAI has a goblin problem.
Instructions designed to guide the behavior of the company’s latest model as it writes code have been revealed to include a line, repeated several times, that specifically forbids it from randomly mentioning an assortment of mythical and real creatures.
“Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely and unambiguously relevant to the user’s query,” read instructions in Codex CLI, a command-line tool for using AI to generate code.
It is unclear why OpenAI felt compelled to spell this out for Codex—or indeed why its models might want to discuss goblins or pigeons in the first place. The company did not immediately respond to a request for comment.
OpenAI’s newest model, GPT-5.5, was released with enhanced coding skills earlier this month. The company is in a fierce race with rivals, especially Anthropic, to deliver cutting-edge AI, and coding has emerged as a killer capability.
In response to a post on X that highlighted the lines, however, some users claimed that OpenAI’s models occasionally become obsessed with goblins and other creatures when used to power OpenClaw, a tool that lets AI take control of a computer and apps running on it in order to do useful things for users.
“I was wondering why my claw suddenly became a goblin with codex 5.5,” one user wrote on X.
“Been using it a lot lately and it actually can’t stop speaking of bugs as ‘gremlins’ and ‘goblins’ it’s hilarious,” posted another.
The discovery quickly became its own meme, inspiring AI-generated scenes of goblins in data centers, and plug-ins for Codex that put it in a playful “goblin mode.”
AI models like GPT-5.5 are trained to predict the word—or code—that should follow a given prompt. These models have become so good at doing this that they appear to exhibit genuine intelligence. But their probabilistic nature means that they can sometimes behave in surprising ways. A model might become more prone to misbehavior when used with an “agentic harness” like OpenClaw that puts lots of additional instructions into prompts, such as facts stored in long-term memory.
OpenAI acquired OpenClaw in February not long after the tool became a viral hit among AI enthusiasts. OpenClaw can use any AI model to automate useful tasks like answering emails or buying things on the web. Users can select any of various personae for their helper, which shapes its behavior and responses.
OpenAI staffers appeared to acknowledge the prohibition. In response to a post highlighting OpenClaw’s goblin tendencies, Nik Pash, who works on Codex, wrote, “This is indeed one of the reasons.”
Even Sam Altman, OpenAI’s CEO, joined in with the memes, posting a screenshot of a prompt for ChatGPT. It read: “Start training GPT-6, you can have the whole cluster. Extra goblins.”
![‘Ninja Scroll’ Is Slashing Back to Theaters in October
The 1993 samurai anime film Ninja Scroll is coming back with a limited theatrical run this fall. Per IGN, Iconic Events and AMC are teaming for a re-release on October 4, 5, and 7. (At time of writing, it’s exclusively locked to North America.) The remastered version will play its original 35mm negatives in 4K using a process that “repairs any damage and [performs] color correction to create an archival-quality digital master of the film.” Directed and written by Yoshiaki Kawajiri and created by Animate Film, Ninja Scroll tells the story of mercenary swordsman Kibagamei Jubei. Set in feudal Japan, Jubei is tasked with killing the Eight Devils of Kimon, supernatural ninjas aiming to take over the Tokugawa shogunate. Praised for its animation and action, the film was highly regarded when it came out and is considered a great contributor (alongside Akira and Ghost in the Shell) to adult anime’s popularity in the West. (That’s at least true for the Wachowskis, who cited the film as a big influence on The Matrix, and later brought on Kawajiri to direct and write two segments of The Animatrix.) [embed]https://www.youtube.com/watch?v=jrfUIekIpEA[/embed] In the years since Ninja Scroll’s release, it’s become a bit of a franchise unto itself: it had a standalone sequel series in 2003 and a 12-issue miniseries in 2006 by J. Torres and Michael Chang Ting Yu.
Animation studio Madhouse announced a sequel in 2008 helmed by Kawajiri that stalled out, and that same year saw Warner Bros. announce a live-action movie that also didn’t go anywhere. (Oh, noooooo, that’s sooooooo sad.) Tickets for the Ninja Scroll re-release will go on sale in the coming weeks. Want more io9 news? Check out when to expect the latest Marvel, Star Wars, and Star Trek releases, what’s next for the DC Universe on film and TV, and everything you need to know about the future of Doctor Who. #Ninja #Scroll #Slashing #Theaters #OctoberNinja Scroll,Yoshiaki Kawajiri](https://i0.wp.com/gizmodo.com/app/uploads/2026/06/ninja-scroll-hed-1280x853.jpg?ssl=1 "‘Ninja Scroll’ Is Slashing Back to Theaters in October
The 1993 samurai anime film Ninja Scroll is coming back with a limited theatrical run this fall. Per IGN, Iconic Events and AMC are teaming for a re-release on October 4, 5, and 7. (At time of writing, it’s exclusively locked to North America.) The remastered version will play its original 35mm negatives in 4K using a process that “repairs any damage and [performs] color correction to create an archival-quality digital master of the film.” Directed and written by Yoshiaki Kawajiri and created by Animate Film, Ninja Scroll tells the story of mercenary swordsman Kibagamei Jubei. Set in feudal Japan, Jubei is tasked with killing the Eight Devils of Kimon, supernatural ninjas aiming to take over the Tokugawa shogunate. Praised for its animation and action, the film was highly regarded when it came out and is considered a great contributor (alongside Akira and Ghost in the Shell) to adult anime’s popularity in the West. (That’s at least true for the Wachowskis, who cited the film as a big influence on The Matrix, and later brought on Kawajiri to direct and write two segments of The Animatrix.) [embed]https://www.youtube.com/watch?v=jrfUIekIpEA[/embed] In the years since Ninja Scroll’s release, it’s become a bit of a franchise unto itself: it had a standalone sequel series in 2003 and a 12-issue miniseries in 2006 by J. Torres and Michael Chang Ting Yu.
Animation studio Madhouse announced a sequel in 2008 helmed by Kawajiri that stalled out, and that same year saw Warner Bros. announce a live-action movie that also didn’t go anywhere. (Oh, noooooo, that’s sooooooo sad.) Tickets for the Ninja Scroll re-release will go on sale in the coming weeks. Want more io9 news? Check out when to expect the latest Marvel, Star Wars, and Star Trek releases, what’s next for the DC Universe on film and TV, and everything you need to know about the future of Doctor Who. #Ninja #Scroll #Slashing #Theaters #OctoberNinja Scroll,Yoshiaki Kawajiri")
![‘Ninja Scroll’ Is Slashing Back to Theaters in October
The 1993 samurai anime film Ninja Scroll is coming back with a limited theatrical run this fall. Per IGN, Iconic Events and AMC are teaming for a re-release on October 4, 5, and 7. (At time of writing, it’s exclusively locked to North America.) The remastered version will play its original 35mm negatives in 4K using a process that “repairs any damage and [performs] color correction to create an archival-quality digital master of the film.” Directed and written by Yoshiaki Kawajiri and created by Animate Film, Ninja Scroll tells the story of mercenary swordsman Kibagamei Jubei. Set in feudal Japan, Jubei is tasked with killing the Eight Devils of Kimon, supernatural ninjas aiming to take over the Tokugawa shogunate. Praised for its animation and action, the film was highly regarded when it came out and is considered a great contributor (alongside Akira and Ghost in the Shell) to adult anime’s popularity in the West. (That’s at least true for the Wachowskis, who cited the film as a big influence on The Matrix, and later brought on Kawajiri to direct and write two segments of The Animatrix.) [embed]https://www.youtube.com/watch?v=jrfUIekIpEA[/embed] In the years since Ninja Scroll’s release, it’s become a bit of a franchise unto itself: it had a standalone sequel series in 2003 and a 12-issue miniseries in 2006 by J. Torres and Michael Chang Ting Yu.
Animation studio Madhouse announced a sequel in 2008 helmed by Kawajiri that stalled out, and that same year saw Warner Bros. announce a live-action movie that also didn’t go anywhere. (Oh, noooooo, that’s sooooooo sad.) Tickets for the Ninja Scroll re-release will go on sale in the coming weeks. Want more io9 news? Check out when to expect the latest Marvel, Star Wars, and Star Trek releases, what’s next for the DC Universe on film and TV, and everything you need to know about the future of Doctor Who. #Ninja #Scroll #Slashing #Theaters #OctoberNinja Scroll,Yoshiaki Kawajiri](https://gizmodo.com/app/uploads/2026/06/ninja-scroll-hed-1280x853.jpg "‘Ninja Scroll’ Is Slashing Back to Theaters in October
The 1993 samurai anime film Ninja Scroll is coming back with a limited theatrical run this fall. Per IGN, Iconic Events and AMC are teaming for a re-release on October 4, 5, and 7. (At time of writing, it’s exclusively locked to North America.) The remastered version will play its original 35mm negatives in 4K using a process that “repairs any damage and [performs] color correction to create an archival-quality digital master of the film.” Directed and written by Yoshiaki Kawajiri and created by Animate Film, Ninja Scroll tells the story of mercenary swordsman Kibagamei Jubei. Set in feudal Japan, Jubei is tasked with killing the Eight Devils of Kimon, supernatural ninjas aiming to take over the Tokugawa shogunate. Praised for its animation and action, the film was highly regarded when it came out and is considered a great contributor (alongside Akira and Ghost in the Shell) to adult anime’s popularity in the West. (That’s at least true for the Wachowskis, who cited the film as a big influence on The Matrix, and later brought on Kawajiri to direct and write two segments of The Animatrix.) [embed]https://www.youtube.com/watch?v=jrfUIekIpEA[/embed] In the years since Ninja Scroll’s release, it’s become a bit of a franchise unto itself: it had a standalone sequel series in 2003 and a 12-issue miniseries in 2006 by J. Torres and Michael Chang Ting Yu.
Animation studio Madhouse announced a sequel in 2008 helmed by Kawajiri that stalled out, and that same year saw Warner Bros. announce a live-action movie that also didn’t go anywhere. (Oh, noooooo, that’s sooooooo sad.) Tickets for the Ninja Scroll re-release will go on sale in the coming weeks. Want more io9 news? Check out when to expect the latest Marvel, Star Wars, and Star Trek releases, what’s next for the DC Universe on film and TV, and everything you need to know about the future of Doctor Who. #Ninja #Scroll #Slashing #Theaters #OctoberNinja Scroll,Yoshiaki Kawajiri")
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