"Change Completions Model" is missing

Type: Bug

1. Open the command palette by pressing Ctrl+Shift+P (Windows/Linux) / Command+Shift+P (Mac).
1. Type `change completions model` and you'll see that there's no "Change Completions Model" command.

VS Code version: Code - Insiders 1.139.0-insider (c74ba73b780a4a33173c006e52560d61432f53d6, 2026-09-16T04:43:54Z)
OS version: Linux x64 7.0.0-31-generic
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|AMD Ryzen 9 9950X 16-Core Processor (32 x 3017)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x1002, DEVICE=0x13c0, DRIVER_VENDOR=Mesa, DRIVER_VERSION=25.2.8 *ACTIVE*
GPU1: VENDOR= 0x10de, DEVICE=0x2d04
Machine model name:
Machine model version:
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: disabled_software
vulkan: disabled_off
webgl: enabled
webgpu: enabled
webgpu_on_vk_via_gl_interop: disabled_off
webnn: disabled_off|
|Load (avg)|1, 1, 1|
|Memory (System)|60.47GB (36.47GB free)|
|Process Argv|--crash-reporter-id a7eb6609-ed86-414e-ada5-892b8c7c2691|
|Screen Reader|no|
|VM|18%|
|DESKTOP_SESSION|cinnamon|
|XDG_CURRENT_DESKTOP|X-Cinnamon|
|XDG_SESSION_DESKTOP|cinnamon|
|XDG_SESSION_TYPE|x11|
Extensions: none
A/B Experiments

```
vsliv368:30146709
pythonvspyt551cf:31249598
nativeloc1:31118317
dwcopilot:31158714
dwoutputs:31242946
copilot_t_ci:31333650
g012b348:31231168
pythonrdcb7:31268811
pythonpcpt1cf:31399617
6518g693:31302842
envsactivate1:31349248
editstats-enabled:31346256
cloudbuttont:31366566
3efgi100_wstrepl:31403338
ddidtcf:31398485
cp_cls_t_966_ss:31526232
4je02754:31455664
8hhj4413:31478653
cp_cls_c_1081:31454833
conptydll_true:31485575
e9c30283:31453065
46204921:31447328
ei9d7968:31462942
89g7j272:31506658
7e884298:31462391
i2gc6536:31472020
52612955:31508042
ddid_t:31478204
hmra_i5g22:31518061
7df3h592:31491241
cp_cls_t_1082:31535311
logging_enabled_new:31490725
jb_cp_cls_t_632:31543129
b1g4i769:31503653
ha629193:31508444
a1ije391_t:31533808
jbcp_cls_pctr_t:31531130
cp_intellij_t_nes:31548657
gf14b233:31526830
hide-eh-duplicates:31543293
replace-eh-with-ah:31545853
ihg5j128:31534457
sandbox-ui-on-2:31543161
enable_editor_pane_layout:31551200
52258b4d:31547953
36h42362:31560305
c7c27ce7:31551212
1h923230:31564177
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
0c1h4866:31562347
5b8j3302:31564600
autotiers:31584973
mangle-name-treatment:31568054
allow-signed-out:31574470
codex-agent-enabled:31566739
intellij_nes_preview_t:31580086
64a8d082:31573709
fi319487:31574446
issue8950-5d26a188:31574957
multiv2:31574987
ae8b2313:-9
2bfb8b39:31576696
accent:31581110
1cff76af:31580265
96d59efc:31580278
links-treatment:31581067
7g328426_fixed:31583679
permission_prompt_control:1332567
ccr_pr_nudge_control:1319470
vsc_wsm_c:1324224
jidc7660:1370295
ce50c479:1394169
3aced641:1389836
sem_714gi995:1394171

```

It supposed to exist both [based on the docs](https://docs.github.com/en/copilot/how-tos/use-ai-models/change-the-completion-model#changing-the-ai-model-for-inline-suggestions), as well as the settings: