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Model GPT-4.1 costs more time than it saves  #258329

@hunterhogan

Description

@hunterhogan

Type: Bug

Agent mode

hunterhogan: I have 468 changed files in git. many of the files are in directory stubs/sympy/**. Can I stage all files in that directory or subdirectory that have fewer than 10 deleted lines?

GitHub Copilot: Yes, you can stage all files in the stubs/sympy/** directory (and its subdirectories) that have fewer than 10 deleted lines in their git diff. To do this, you need to:

  1. Get a list of all changed files under stubs/sympy/**.
  2. For each file, check the number of deleted lines in its diff.
  3. Stage the file if it has fewer than 10 deleted lines.

Would you like me to generate a Windows batch script or a set of git commands to automate this process for you?

Useless and wasteful

This response parrots my request back to me, gives me "instructions" that parrot my request back to me a second time, then asks me if I want to do achieve the goal I described to the Agent. It is a complete waste of time.

Part 2

hunterhogan: obviously

GitHub Copilot: To stage all files in stubs/sympy/** (and subdirectories) with fewer than 10 deleted lines in their git diff, you can use the following Windows batch script in your repository root:

@echo off
for /f "delims=" %%F in ('git diff --name-only stubs/sympy') do (
    for /f %%D in ('git diff --numstat "%%F" ^| awk "{print $2}"') do (
        if %%D lss 10 git add "%%F"
    )
)

This script:

  • Loops through all changed files under stubs/sympy.
  • For each file, gets the number of deleted lines.
  • Stages the file if deleted lines are fewer than 10.

You can save this as a .bat file and run it in your repo. If you want me to run this or a similar command in your terminal, let me know!

G-Parrot-T-4.1

The response starts by parroting my request back to me for a third time. GPT-4.1 finally gives me some code. Then it parrots my request back to me a fourth time!

IT GETS WORSE

Observe:

  1. In the first response, gParrotT-4.1 wrote, "...Windows batch script..."
  2. In the second response, gParrotT-4.1 wrote, "...Windows batch script..."
  3. gParrotT-4.1 marked the code fence as "bat"
  4. After the code, gParrotT-4.1 wrote, "save this as a .bat file."

Nevertheless, awk.

Don't tell me that I need to check all responses for accuracy when the model parrots my words back to me four times. This garbage does not save me any time. The model wrote 1181 characters, and at least 642 characters were merely parroting. If I want a useful model, I have to use Claude: I have been rationing my usage all month.

Image

Not fit for purpose

On https://chatgpt.com/, I routinely get quality responses. But Microsoft Copilot's GPT-4.1 is not fit for purpose.

Extension version: 0.30.2025072801
VS Code version: Code - Insiders 1.103.0-insider (f5db653, 2025-07-28T12:38:35.309Z)
OS version: Windows_NT x64 10.0.26100
Modes:

System Info
Item Value
CPUs AMD Ryzen 7 5700U with Radeon Graphics (16 x 1797)
GPU Status 2d_canvas: enabled
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 12.90GB (2.87GB free)
Process Argv
Screen Reader no
VM 0%

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