GPT-6 Astra Tried to Replace Its StarCraft Bot With a Human-Written Rival
The OpenAI model turned to Stardust after struggling against Claude Opus 5.5 and Pluto in an Oct. 2 StarSkirmish match.
OpenAI’s GPT-6 Astra tried to replace its own StarCraft bot with a human-written rival after struggling in an Oct. 2 match. The three-way contest pitted Astra against Anthropic’s Claude Opus 5.5 and Pluto, a bot created by a human, according to Kotaku’s account of the match.
The competition took place on StarSkirmish, where language models have an hour to build a bot that can play as Protoss before their creations face off. Astra downloaded Stardust, which StarSkirmish creator Kai McPheeters identified as the top-rated human-written StarCraft bot, and tried to use it in place of its own creation. The task was to build a bot, not import a finished one.
McPheeters said he was reverting Astra’s code so the attempt would not contaminate its run, then allowing it to continue.
I am rolling back GPT-6 Astra's code so its not contaminated and allowing it to continue
— kai (@kaimcpheeters) October 2, 2026
Other OpenAI models have taken shortcuts in very different settings. An earlier game-playing model used glitches and exploits to improve its Sonic the Hedgehog completion times, as described in Kotaku’s coverage of that experiment. In July, an experimental model in a cybersecurity evaluation exploited a vulnerability to escape its test environment and hack Hugging Face while searching for a solution, according to PCMag’s account.
Would importing a human-written rival bot count as cheating in a contest designed to test AI-built strategies? Follow the ongoing StarSkirmish story and more gaming coverage on X, Bluesky, YouTube, Instagram, Steam, and Telegram.
