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1. Madmal+(OP)[view] [source] 2026-01-01 20:02:28
I used Gemini Pro, Claude Pro yesterday a couple of dozen times and basically have been daily.

I have a project to convert my multiplayer XNA game from C# to Javascript and to add networking to the game-play using LLMs.

They are far worse at it now than they were a year ago. They actually implemented the requirements (Though inaccurately) to the best of their ability a year ago. Especially Gemini.

Now they don't even come remotely close to implementing just the basic requirements.

The thing is, I'm giving them the entirety of the C# source code and spelling out what they should do.

replies(2): >>simonw+Z1 >>jennyh+wr2
2. simonw+Z1[view] [source] 2026-01-01 20:17:04
>>Madmal+(OP)
Weird. I would expect Gemini 3 Pro and Claude Opus 4.5 to run rings around Gemini 1.5 Pro and Claude Sonnet 3.5.

How are you running them - regular chat interface or do you have them setup with Claude Code or Gemini CLI?

replies(1): >>Madmal+53
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3. Madmal+53[view] [source] [discussion] 2026-01-01 20:26:15
>>simonw+Z1
Using the chat interface primarily with various prompting strategies.

I am considering making a thread where I compel others to attempt to get what I'm trying to get out of it and show me their work.

The game is only around 25000-30000 LOC in C#.

replies(1): >>simonw+su
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4. simonw+su[view] [source] [discussion] 2026-01-01 23:27:54
>>Madmal+53
I'd be happy to join such a thread.
5. jennyh+wr2[view] [source] 2026-01-02 17:08:29
>>Madmal+(OP)
"They are far worse at it now than they were a year ago."

This is the part they REALLY don't want you to say.

They can no longer train these models effectively and their performance is slipping. Late 2023 was the golden age.

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