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User ports Super Metroid Map Rando to SA-1 coprocessor using Claude Fable 5 with zero assembly knowledge

A user named kugel successfully ported Super Metroid Map Rando to the SA-1 coprocessor using Claude Fable 5, achieving a working build on real hardware with saves. Earlier Claude Opus 4.6 only managed to get the ROM to boot. The user had no prior assembly knowledge, demonstrating the model's ability to handle complex low-level programming tasks.

11 engagement·1 source·Sat, Jul 11, 2026, 06:43 PM

In a Reddit post on July 11, 2026, user kugel described a personal benchmark: porting Super Metroid Map Rando to the SA-1 coprocessor using various Claude models. With Claude Opus 4.6, the ROM booted but did not run correctly. With Claude Fable 5, the port ran on real hardware with working saves. The user had zero knowledge of 65816 assembly or ROM hacking, relying entirely on the model to generate correct assembly code. This showcases a significant improvement in Claude's ability to generate functional low-level code for niche platforms.

Entities

Claude Fable 5(model)Claude Opus 4.6(model)Super Metroid Map Rando(tool)SA-1 coprocessor(concept)kugel(person)

CommunitySat, Jul 11, 2026, 01:17 PM

Developer tests Claude Sonnet 5 and Fable 5 on coding tasks in 400K-line repo

A developer tested Claude Sonnet 5 and Fable 5 on two coding tasks: adding a RAG Debugger to the 400K-line Open WebUI repo and building a browser-based Clash Royale game. Both models performed well, with Fable building a debugger that worked across the full knowledge base while Sonnet focused on single-document checking.

30 engagement·1 source·reddit

CommunitySat, Jul 11, 2026, 05:23 PM

Users report Claude Code + Fable outperforms Sol + Terra in multi-agent coding workflows

Reddit users report that combining Claude Code with Fable for multi-agent coding tasks outperforms Sol + Terra, while being relatively cheap. The approach uses Fable for orchestration and Opus 4.8 for subagent work, burning fewer tokens than a full Fable ultracode setup. Users also note that small/medium coding tasks are nearly solved, citing recent AtCoder competition results.

776 engagement·2 sources·reddit

CommunityThu, Jul 9, 2026, 08:05 AM

User tests GLM 5.2 on consumer hardware, finds performance comparable to Claude and GPT

A user tested GLM 5.2 on a standard computer and was impressed by its capabilities and security, finding them similar to Claude or GPT. They began converting the model to int4 and exploring MTP usage to avoid out-of-memory errors.

1.1k engagement·1 source·hackernews

CommunitySun, Jul 12, 2026, 01:26 PM

Developer becomes professional 'non-coder' using Claude

A developer describes transitioning from using Claude in a browser to building apps full-time with Claude Code in VS Code, leveraging a global claude.md file. The post details a personal journey of becoming a 'professional non-coder' by relying on AI for software development tasks.

18 engagement·1 source·reddit

CommunitySat, Jul 11, 2026, 12:40 PM

User generates simulated climate maps with Claude Opus 4.8 from heightmap and worldbuilding sources

A user used Claude Opus 4.8 to generate simulated climate maps from a heightmap and worldbuilding references. The model identified and fixed code issues causing unrealistic output without disrupting the overall map.

3 engagement·1 source·reddit