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[PR #3024] fix: language model ID for custom models #10514

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opened 2026-02-16 18:15:11 -05:00 by yindo · 0 comments
yindo commented 2026-02-16 18:15:11 -05:00
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Original Pull Request: https://github.com/anomalyco/opencode/pull/3024

State: closed
Merged: No

Regarding the solution proposed here, the language is currently not built with the original model ID, so the API will return 'model not found'.

How to reproduce:

opencore.json

{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "openai": {
      "models": {
        "gpt-5-nano-flex": {
          "id": "gpt-5-nano",
          "name": "GPT 5 Nano Flex Tier",
          "cost": {
            "input": 0.025,
            "cache_read": 0.0025,
            "output": 0.2
          },
          "limit": {
            "context": 400000,
            "output": 128000
          },
          "options": {
            "reasoningEffort": "high",
            "textVerbosity": "medium",
            "reasoningSummary": "auto",
            "serviceTier": "flex"
          }
        }
      }
    }
  }
}

Then, when you set the model to be the gpt-5-nano-flex, you encounter the error:
AI_APICallError: The requested model 'gpt-5-nano-flex' does not exist.

From the dev logs, I found this error:

{
    "error": {
        "message": "The requested model 'gpt-5-nano-flex' does not exist.",
        "type": "invalid_request_error",
        "param": "model",
        "code": "model_not_found"
    }
}

While debugging, I found where the model name was being retrieved to send to the API.
https://github.com/sst/opencode/blob/cd528ae78fd20c8eaa84933bf8afd3e99f4ca8f5/packages/opencode/src/session/prompt.ts#L307

**Original Pull Request:** https://github.com/anomalyco/opencode/pull/3024 **State:** closed **Merged:** No --- Regarding the solution proposed [here](https://github.com/sst/opencode/issues/2829#issuecomment-3342072689), the language is currently not built with the original model ID, so the API will return 'model not found'. --- ## How to reproduce: `opencore.json` ```json { "$schema": "https://opencode.ai/config.json", "provider": { "openai": { "models": { "gpt-5-nano-flex": { "id": "gpt-5-nano", "name": "GPT 5 Nano Flex Tier", "cost": { "input": 0.025, "cache_read": 0.0025, "output": 0.2 }, "limit": { "context": 400000, "output": 128000 }, "options": { "reasoningEffort": "high", "textVerbosity": "medium", "reasoningSummary": "auto", "serviceTier": "flex" } } } } } } ``` Then, when you set the model to be the gpt-5-nano-flex, you encounter the error: `AI_APICallError: The requested model 'gpt-5-nano-flex' does not exist.` From the dev logs, I found this error: ```json { "error": { "message": "The requested model 'gpt-5-nano-flex' does not exist.", "type": "invalid_request_error", "param": "model", "code": "model_not_found" } } ``` While debugging, I found where the model name was being retrieved to send to the API. https://github.com/sst/opencode/blob/cd528ae78fd20c8eaa84933bf8afd3e99f4ca8f5/packages/opencode/src/session/prompt.ts#L307
yindo added the pull-request label 2026-02-16 18:15:11 -05:00
yindo closed this issue 2026-02-16 18:15:11 -05:00
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Reference: anomalyco/opencode#10514
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