The Oblivion Remastered mod built using Claude AI increases FPS by over 40% and significantly reduces stuttering without sacrificing visual quality.
The Elder Scrolls IV: Oblivion Remastered has been plagued with CPU bottlenecks, inconsistent frame rates and frame times, not to mention traversal stutters since launch, especially on NVIDIA GPUs. However, one particularly dedicated fan has apparently managed to fix many of these issues with the help of Claude AI from Anthropicachieving some rather impressive performance improvements without compromising the game’s visual fidelity.
Reddit user LTSharp recently shared his experience, explaining how even upgrading from a GeForce RTX 2070 SUPER to a Radeon RX 9070 XT failed to resolve gaming performance issues on his Ryzen 7 5800X system. Frustrated by the situation, he turns to Claude Opus 5.5which allegedly identified several fundamental inefficiencies in the game’s code.
What followed was about two and a half weeks of AI-assisted reverse engineering, profiling, and optimization. Although he had no professional software development experience, LTSharpe led Claude through the process, ultimately producing approximately 40 engine optimizations packaged in an open source mod called Oblivion Remastered Performance Fix.
Interestingly, many of the issues identified came from inefficient CPU usage. For example, the game would have rebuilt its sun and moon lighting systems every frame, even if nothing had changed. Other bottlenecks included redundant memory allocations, DirectX 12 command preparation largely confined to a single thread, and expensive global streaming operations that could block entire frames.
The mod solves these problems through improved multithreading, more efficient memory management, and better distribution of costly operations across multiple images. Importantly, these changes would preserve the original graphics quality, including complex virtualized Nanite geometry, Lumen ray tracing lighting, virtual shadow maps, high draw distances, and other visual settings.
The performance improvements are particularly notable. In a flyover of the Imperial City in 4K output with FSR performance and frame generation enabled, the average FPS increased from 72 to 102 (+41%)while the lowest 1% improved from 33 to 45 FPS. The number of traversal hangs exceeding 50 ms also dropped by 19.5 just for 4.8 per race.
Meanwhile, another reference to Cheydinhal demonstrated an increase in 64 to 91 FPS (+43%), with 1% minimum going from 50 to 68 FPS. A separate test without FSR Frame Generation saw a 1% improvement from the lowest from 26 to 43 FPSillustrating the potential benefits of the mod beyond just increasing average frame rates.
Additional improvements include a reduction loading stutters, faster menu interactions, multiple crash fixes, and optimized FSR frame generation scheduling. The mod also introduces support for AMD’s next-generation machine learning-based FSR frames on Radeon RX 9000 GPUs, provided the appropriate FSR 3.1.4 library is installed.
The developer has released beta version v1.0.0, along with its reproducible source code and benchmarking tools. Installation consists of extracting the files provided in the game directory.
Of course, these impressive results currently come from testing primarily on a single Ryzen 7 5800X/RX 9070 XT system. Performance improvements will vary depending on hardware and whether the game is CPU or GPU limited, while wider compatibility remains to be established..
Still, it’s a fascinating demonstration of what AI-assisted development can accomplish, especially when applied to optimizing existing games. Hopefully, subsequent builds and community testing will confirm similarly impressive results across a wider range of PC configurations.
Information source: Subreddit r/ChatGPT
About the author: Sebastian Castellanos is a data scientist by education and training. He is also deeply passionate about PC gaming hardware and software. He recently started writing technical articles and guides on Wccftech about PC hardware, gaming and mods.
Follow Wccftech on Google to get more of our news coverage in your feeds.
Gn tech
