Model Selection Bug: Incorrect Model Loaded/Used #1147

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opened 2026-02-16 17:29:38 -05:00 by yindo · 1 comment
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Originally created by @devhe4d on GitHub (Aug 7, 2025).

Originally assigned to: @thdxr on GitHub.

Model selection doesn't always work. The system sometimes uses an old or unexpected model instead of the one chosen. For example, Claude 3.5 was used even though it was never selected.

I'm not sure if its OpenCode, Openrouter or even the LLM itself, but I checked the same question directly ( Claude and Qwen App ) and it responded correctly.

Example 1:
Image

Example 2:
Image

Originally created by @devhe4d on GitHub (Aug 7, 2025). Originally assigned to: @thdxr on GitHub. Model selection doesn't always work. The system sometimes uses an old or unexpected model instead of the one chosen. For example, Claude 3.5 was used even though it was never selected. I'm not sure if its OpenCode, Openrouter or even the LLM itself, but I checked the same question directly ( Claude and Qwen App ) and it responded correctly. Example 1: <img width="1200" height="377" alt="Image" src="https://github.com/user-attachments/assets/30fc6805-d322-4a78-b5f8-4a0f8c2446e7" /> Example 2: <img width="1199" height="208" alt="Image" src="https://github.com/user-attachments/assets/747d7a40-cc27-4ab7-9000-9bd2ed4c63b5" />
yindo closed this issue 2026-02-16 17:29:38 -05:00
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@thdxr commented on GitHub (Aug 7, 2025):

looked into it - this isn't anything on our end the LLMs just lie sometimes

@thdxr commented on GitHub (Aug 7, 2025): looked into it - this isn't anything on our end the LLMs just lie sometimes
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Reference: anomalyco/opencode#1147