Why aren't the copilot and codex "GPT-5.4" models being displayed? #16265

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1. github-actions

   assigned

   thdxr

   on Mar 6, 2026
2. github-actions

   added

   coreAnything pertaining to core functionality of the application (opencode server stuff)Anything pertaining to core functionality of the application (opencode server stuff)

   on Mar 6, 2026
3. github-actions commented on Mar 6, 2026

   

   github-actionsBot

   on Mar 6, 2026 – with GitHub Actions

   Contributor

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   This issue might be a duplicate of existing issues. Please check:

   • [FEATURE]: Add GPT 5.4 models #16219: Feature request to add GPT 5.4 models (directly related - requesting same models be added)
   • Refreshing the model database doesn't load the latest models from GitHub Copilot #15605: Refreshing the model database doesn't load the latest models from GitHub Copilot
   • Not all co-pilot models are listed #12415: Not all co-pilot models are listed
   • /models command does not list authenticated Copilot models that can be used with -m #10454: /models command does not list authenticated Copilot models that can be used with -m
4. jiayaoO3O commented on Mar 6, 2026

   

   jiayaoO3O

   on Mar 6, 2026

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   I have been refreshing the releases page every five minutes, waiting for a version that supports GPT-5.4.

   😄React with 😄9Reacted by shiwei wang, litechenacc, Len Cushenberry, jiuminga11, 佳瑶, Bluboks, Yashraj Jaiswal, HwanilChoi and Xingtong Chen
5. abilliontokens commented on Mar 6, 2026

   

   abilliontokens

   on Mar 6, 2026

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   yeah GPT-5.4 is missing from /models
6. hichoe95 commented on Mar 6, 2026

   

   hichoe95

   on Mar 6, 2026

   Last edited by hichoe95

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   can we use fast mode for gpt 5.4?
   and
   1M token for context ?
   It appears to use only the default 272K setting.

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7. ranjeet-h commented on Mar 6, 2026

   

   ranjeet-h

   on Mar 6, 2026

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   This works for both GPT-5.4 and GPT-5.3-codex
   #13312 (comment)

   {
     "$schema": "https://opencode.ai/config.json",
     "provider": {
       "github-copilot": {
         "models": {
           "gpt-5.3-codex": {
             "id": "gpt-5.3-codex",
             "name": "GPT-5.3 Codex",
             "family": "gpt-codex",
             "attachment": false,
             "reasoning": true,
             "tool_call": true,
             "temperature": false,
             "knowledge": "2025-08-31",
             "release_date": "2026-02-24",
             "last_updated": "2026-02-24",
             "modalities": { "input": ["text", "image"], "output": ["text"] },
             "open_weights": false,
             "cost": { "input": 1.75, "output": 14, "cache_read": 0.175 },
             "limit": { "context": 400000, "output": 128000 },
             "defaultVariant": "xhigh",
             "variants": {
               "low": { "reasoningEffort": "low" },
               "medium": { "reasoningEffort": "medium" },
               "high": { "reasoningEffort": "high" },
               "xhigh": { "reasoningEffort": "xhigh" }
             }
           },
           "gpt-5.4": {
             "id": "gpt-5.4",
             "name": "GPT-5.4",
             "family": "gpt",
             "attachment": false,
             "reasoning": true,
             "tool_call": true,
             "temperature": false,
             "knowledge": "2025-08-31",
             "release_date": "2026-02-24",
             "last_updated": "2026-02-24",
             "modalities": { "input": ["text", "image"], "output": ["text"] },
             "open_weights": false,
             "cost": { "input": 1.75, "output": 14, "cache_read": 0.175 },
             "limit": { "context": 400000, "output": 128000 },
             "defaultVariant": "xhigh",
             "variants": {
               "low": { "reasoningEffort": "low" },
               "medium": { "reasoningEffort": "medium" },
               "high": { "reasoningEffort": "high" },
               "xhigh": { "reasoningEffort": "xhigh" }
             }
           }
         }
       }
     },
     "model": "github-copilot/gpt-5.3-codex"
   }
   
   

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8. cuetrigg commented on Mar 6, 2026

   

   cuetrigg

   on Mar 6, 2026

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   Related #16219
9. lnas01

   closed this as completedon Mar 6, 2026
10. DraculaVladimir commented on Mar 8, 2026

    

    DraculaVladimir

    on Mar 8, 2026

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    I am installing via npm install -g opencode-ai and/or npm install -g opencode-ai@latest . I have also tried logging out and back in and i still do not see a gpt-5.4