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Language model unavailable #309766

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Closed
Language model unavailable#309766
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lramos15
Labels
under-discussionIssue is under discussion for relevance, priority, approach
Milestone
1.117.0
@shivioua

Description

@shivioua
shivioua
opened on Apr 14, 2026

TLDR; Seems not an issue with VS Code or plugin, Free Trial licenses were temporary paused and many people facing same issue:

Type: Bug

Whet trying to use GitHub Copilot Chat then I see following error message:

Language model unavailable

Diagnostics:

## GitHub Copilot Chat

- Extension: 0.43.0 (prod)
- VS Code: 1.115.0 (41dd792b5e652393e7787322889ed5fdc58bd75b)
- OS: win32 10.0.26200 x64
- GitHub Account: <username>

## Network

User Settings:
```json
  "http.systemCertificatesNode": true,
  "github.copilot.advanced.debug.useElectronFetcher": true,
  "github.copilot.advanced.debug.useNodeFetcher": false,
  "github.copilot.advanced.debug.useNodeFetchFetcher": true

Connecting to https://api.github.com:

  • DNS ipv4 Lookup: 140.82.121.5 (4 ms)
  • DNS ipv6 Lookup: Error (5 ms): getaddrinfo ENOTFOUND api.github.com
  • Proxy URL: None (5 ms)
  • Electron fetch (configured): HTTP 200 (31 ms)
  • Node.js https: HTTP 200 (564 ms)
  • Node.js fetch: HTTP 200 (130 ms)

Connecting to https://api.individual.githubcopilot.com/_ping:

  • DNS ipv4 Lookup: 140.82.114.21 (9 ms)
  • DNS ipv6 Lookup: Error (10 ms): getaddrinfo ENOTFOUND api.individual.githubcopilot.com
  • Proxy URL: None (19 ms)
  • Electron fetch (configured): HTTP 200 (114 ms)
  • Node.js https: HTTP 200 (365 ms)
  • Node.js fetch: HTTP 200 (361 ms)

Connecting to https://proxy.individual.githubcopilot.com/_ping:

  • DNS ipv4 Lookup: 20.250.119.64 (2 ms)
  • DNS ipv6 Lookup: Error (23 ms): getaddrinfo ENOTFOUND proxy.individual.githubcopilot.com
  • Proxy URL: None (3 ms)
  • Electron fetch (configured): HTTP 200 (32 ms)
  • Node.js https: HTTP 200 (115 ms)
  • Node.js fetch: HTTP 200 (112 ms)

Connecting to https://mobile.events.data.microsoft.com: timed out after 10 seconds
Connecting to https://dc.services.visualstudio.com: HTTP 404 (140 ms)
Connecting to https://copilot-telemetry.githubusercontent.com/_ping: HTTP 200 (354 ms)
Connecting to https://telemetry.individual.githubcopilot.com/_ping: HTTP 200 (390 ms)
Connecting to https://default.exp-tas.com: HTTP 400 (109 ms)

Number of system certificates: 101

Documentation

In corporate networks: Troubleshooting firewall settings for GitHub Copilot.


Extension version: 0.43.0
VS Code version: Code 1.115.0 (41dd792b5e652393e7787322889ed5fdc58bd75b, 2026-04-07T22:04:57Z)
OS version: Windows_NT x64 10.0.26200
Modes:

<details><summary>Logs</summary>
<pre>
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Debug: [RateLimit] REST rate limit remaining: 4973, user
Debug: [RateLimit] REST rate limit remaining: 4972, user
Debug: [RateLimit] REST rate limit remaining: 4957, users/username/events?per_page=100
Debug: [RateLimit] REST rate limit remaining: 4956, users/username/events?per_page=100
Debug: copilotCloudSessionsProvider#provideChatSessionProviderOptions: Returning options: [
  {
    "id": "repositories",
    "name": "Repository",
    "description": "Select repository",
    "icon": {
      "id": "repo"
    },
    "items": [
      {
        "id": "username/username.github.io",
        "name": "username/username.github.io",
        "icon": {
          "id": "repo"
        }
      },
      {
        "id": "username/user-repository",
        "name": "username/user-repository",
        "icon": {
          "id": "repo"
        }
      }
    ],
    "commands": [
      {
        "command": "github.copilot.chat.cloudSessions.openRepository",
        "title": "Browse repositories..."
      }
    ]
  }
]
Debug: copilotCloudSessionsProvider#provideChatSessionProviderOptions: Returning options: [
  {
    "id": "repositories",
    "name": "Repository",
    "description": "Select repository",
    "icon": {
      "id": "repo"
    },
    "items": [
      {
        "id": "username/username.github.io",
        "name": "username/username.github.io",
        "icon": {
          "id": "repo"
        }
      },
      {
        "id": "username/user-repository",
        "name": "username/user-repository",
        "icon": {
          "id": "repo"
        }
      }
    ],
    "commands": [
      {
        "command": "github.copilot.chat.cloudSessions.openRepository",
        "title": "Browse repositories..."
      }
    ]
  }
]
Debug: [Power] CPU speed limit changed: 20% (throttled)
Debug: Send fetcher telemetry: This window won.
Debug: Fetcher telemetry probe: node-http Status: 200 (605ms)
Debug: Fetcher telemetry probe: electron-fetch Status: 200 (274ms)
Debug: Fetcher telemetry probe: node-fetch Status: 200 (706ms)
Debug: [Power] CPU speed limit changed: 21% (throttled)
Debug: Fetcher telemetry: Succeeded in 575ms using node-http with status 200 (OK).
Debug: Fetcher telemetry: Succeeded in 159ms using electron-fetch with status 200 ().
Debug: Fetcher telemetry: Succeeded in 135ms using node-fetch with status 200 ().
Debug: [Power] CPU speed limit changed: 22% (throttled)
Debug: [Power] CPU speed limit changed: 23% (throttled)
Debug: [Power] CPU speed limit changed: 24% (throttled)
Debug: [Power] CPU speed limit changed: 25% (throttled)
Debug: [Power] CPU speed limit changed: 26% (throttled)
Debug: [Power] CPU speed limit changed: 27% (throttled)
Debug: [Power] CPU speed limit changed: 28% (throttled)
Debug: [Power] CPU speed limit changed: 27% (throttled)
Trace: [NES][Triggerer][onDidChangeTextEditorSelection][editorSwitch] document switch disabled
Trace: [NES][Triggerer][onDidChangeTextEditorSelection] Return: document not tracked - does not have recent changes
Debug: [context keys] Window state change. Needs offline check: false, active: true, focused: true.
Debug: copilotCloudSessionsProvider#provideChatSessionItems: repoIds=[], isAgentSessionsWorkspace=false
Debug: copilotCloudSessionsProvider#provideChatSessionItems: not a GitHub repo, returning empty
Debug: [CopilotCLI] Found 0 JSONL sessions and 0 legacy sessions
Trace: [NES][Triggerer][onDidChangeTextEditorSelection][editorSwitch] document switch disabled
Trace: [NES][Triggerer][onDidChangeTextEditorSelection] Return: document not tracked - does not have recent changes
Debug: Related Information: Index not loaded yet triggering background calculation, returning 0ms
Debug: Related Information: Index not loaded yet triggering background calculation, returning 0ms
Debug: Related Information: Index not loaded yet triggering background calculation, returning 0ms
Debug: Embeddings for commandEmbeddings calculated in 3227ms
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Debug: [Power] CPU speed limit changed: 28% (throttled)
Trace: [CopilotCLI] [DIFF] getActiveDiffByTab: tab is not a diff tab
Debug: [Power] CPU speed limit changed: 27% (throttled)
Debug: [context keys] Window state change. Needs offline check: false, active: true, focused: false.
Debug: [context keys] Window state change. Needs offline check: false, active: true, focused: true.
Debug: copilotCloudSessionsProvider#provideChatSessionItems: repoIds=[], isAgentSessionsWorkspace=false
Debug: copilotCloudSessionsProvider#provideChatSessionItems: not a GitHub repo, returning empty
Debug: [CopilotCLI] Found 0 JSONL sessions and 0 legacy sessions
Debug: [Power] CPU speed limit changed: 28% (throttled)
</pre>
</details>
<details><summary>Request IDs</summary>
<pre>

</pre>
</details><details>
<summary>System Info</summary>

|Item|Value|
|---|---|
|CPUs|Intel(R) Core(TM) Ultra 7 165U (14 x 2688)|
|GPU Status|2d_canvas: enabled<br>GPU0: VENDOR= 0x8086, DEVICE=0x7d45 [Intel(R) Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=32.0.101.8332 *ACTIVE*<br>GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.7309<br>Machine model name: <br>Machine model version: <br>direct_rendering_display_compositor: disabled_off_ok<br>gpu_compositing: enabled<br>multiple_raster_threads: enabled_on<br>opengl: enabled_on<br>rasterization: enabled<br>raw_draw: disabled_off_ok<br>skia_graphite: disabled_off<br>trees_in_viz: disabled_off<br>video_decode: enabled<br>video_encode: enabled<br>webgl: enabled<br>webgl2: enabled<br>webgpu: enabled<br>webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|63.46GB (50.08GB free)|
|Process Argv|--crash-reporter-id 57719f72-3075-4b6d-8e30-333f16f3cb2c|
|Screen Reader|no|
|VM|0%|
</details><details>
<summary>A/B Experiments</summary>

vsliv368cf:30146710
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
6abeh943:31336334
envsdeactivate2:31464701
cloudbuttont:31379625
3efgi100_wstrepl:31403338
use-responses-api:31390855
ddidt:31399633
je187915:31401257
ec5jj548:31422691
cp_cls_t_966_ss:31454198
inlinechat_v2_hd992725:31485760
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
opus_ajaf3586:31494333
67jbj424:31492194
t-some:31486549
cpptoolsoff-v2:31475362
827if375:31494040
ghj88844:31492074
23c7c724:31491644
client_tst_c:31487657
po_split_t:31488386
ddid_c:31478207
getcmakediagnosticsoff:31489825
nes-perm-reb-0:31490411
cp_cls_c_1082:31491634
nes-async-ew-check-on:31491820
logging_disabled_new:31493366


</details>

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