Language model unavailable

[LukenEsain]

Type: Bug

when I talk to the AI, it says "Language model unavailable"

VS Code version: Code 1.115.0 (41dd792, 2026-04-07T22:04:57Z)
OS version: Windows_NT x64 10.0.26200
Modes:

System Info

Item	Value
CPUs	Intel(R) Core(TM) Ultra 5 225 (10 x 3264)
GPU Status	2d_canvas: enabled GPU0: VENDOR= 0x8086, DEVICE=0x7d67 [Intel(R) Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=32.0.101.6129 ACTIVE GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8115 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: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	undefined
Memory (System)	15.47GB (4.16GB free)
Process Argv	--crash-reporter-id b47ecdb5-29bc-45d2-909c-3b58799d3ca9
Screen Reader	no
VM	0%

Extensions (10)

Extension	Author (truncated)	Version
codespaces	Git	1.18.12
copilot-chat	Git	0.43.0
git-graph	mhu	1.30.0
Arduino	moo	0.0.4
vscode-language-pack-es	MS-	1.110.2026041401
cmake-tools	ms-	1.22.28
cpp-devtools	ms-	0.4.6
cpptools	ms-	1.31.4
cpptools-extension-pack	ms-	1.5.1
platformio-ide	pla	3.3.4

(1 theme extensions excluded)

A/B Experiments

vsliv368:30146709
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
6abeh943:31336334
envsactivate1:31464700
cloudbuttont:31379625
42190218_ostrepl:31403339
56b7f661:31457055
use-responses-api:31390855
ddidt:31399633
je187915:31401257
ec5jj548:31422691
cp_cls_t_966_ss:31454198
a9239246:31485761
4je02754:31466945
c3h7c220:31478652
ge8j1254_inline_auto_hint_haiku:31490510
38bie571_auto:31478678
cp_cls_c_1081:31454833
conptydll_true:31489736
ia-use-proxy-models-svc:31452481
e9c30283:31461165
test_treatment2:31471001
control_6dc23131:31494042
idci7584:31464702
nes-ftch-new:31485413
e3e4d672:31494082
534a6447_copy:31478748
nes-extended-on:31455476
chat:31457767
8hig5102:31480529
67jbj424:31492194
t-some:31486549
dfc2j404:31489908
cpptoolson-v2:31475363
827if375:31494040
regularsignin:31487065
ghj88844:31492074
ec1eg703:31491645
po_split_t:31488386
ddid_c:31478207
getcmakediagnosticsoff:31489825
nes-perm-reb-0:31490411
pro_large_t:31492544
cp_cls_c_1082:31491634
0he74425_c:31489329
nes-async-ew-check-on:31491820
logging_disabled_new:31493366

[shivioua]

See: #309766

[ppedrotti]

If you have the following message on the GitHub Copilot Chat output:
Error: Failed to fetch models (...): Copilot Pro trials have been temporarily paused. Please upgrade your account or revert to Copilot Free.
You have to switch to a paid subscription, and pay now if you want to continue using the service as free trials have been completely paused. The switch is on https://github.com/settings/billing/licensing > Manage subscription.