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Video by Kerdo (@AbdoKerdawy) · originally posted on XView original post on X

GPT-6 Astra vs Claude Fable 5.1

Doom (1993) remake

Kerdo@AbdoKerdawy

39 likes1,145 views

GPT-6 Astra (low effort) and Claude Fable 5.1 get the same Doom prompt at the same time. Per the post, Astra had a playable game in about 15 minutes for under $13.

Models

ModelEffortTimeNotes
GPT-6 AstraOpenAIlow15 min~15 min; under $13 per the postWritten as “GPT Astra”
Claude Fable 5.1Anthropic——Written as “Fable 5.1”

Details

KindSide-by-side (same post, same prompt)
TaskDoom (1993) remake
Author’s verdictAstra was playable in ~15 minutes; Fable spent more of its run building the underlying systems first. — @AbdoKerdawy’s view (paraphrased)
TopicDoom-style FPS / raycaster
CategoryGames
ModeNot stated
Posted
Video length64 s
Likes / views39 / 1,145 · as of Oct 18, 2026
Bookmarks5
SponsoredNo
Original postx.com/AbdoKerdawy/status/2096637939698553278

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