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Code Issues 5.9k Packages Projects Releases 19 Wiki Activity

Fix System Prompt & Enable Images #418

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opened 2026-02-16 17:26:39 -05:00 by yindo · 3 comments
yindo commented 2026-02-16 17:26:39 -05:00
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Originally created by @netanelbi on GitHub (Jul 1, 2025).

Originally assigned to: @thdxr on GitHub.

Problem

  • Base system prompt makes GPT‑4.1/4o lazy—short, generic answers—matching Claude Code’s issue.
  • Full override isn’t possible; agents.md can’t patch the base prompt.
  • Chat begins with “hi” and wastes ~11 k tokens of boilerplate, causing context bloat.
  • No image upload, so GPT‑4o’s multimodal ability sits idle.

What we need

  1. Even more dynamic system prompts that adapt by provider/model.
  2. Let users replace the entire system prompt.
  3. Investigate why initial context balloons.
  4. Add native image‑attachment support.

These tweaks unlock the value of unlimited GPT‑4.1/4o via Copilot.

Originally created by @netanelbi on GitHub (Jul 1, 2025). Originally assigned to: @thdxr on GitHub. **Problem** * Base system prompt makes GPT‑4.1/4o *lazy*—short, generic answers—matching Claude Code’s issue. * Full override isn’t possible; `agents.md` can’t patch the base prompt. * Chat begins with “hi” and wastes \~11 k tokens of boilerplate, causing context bloat. * No image upload, so GPT‑4o’s multimodal ability sits idle. **What we need** 1. Even more dynamic system prompts that adapt by provider/model. 2. Let users replace the entire system prompt. 3. Investigate why initial context balloons. 4. Add native image‑attachment support. These tweaks unlock the value of unlimited GPT‑4.1/4o via Copilot.
yindo closed this issue 2026-02-16 17:26:39 -05:00
yindo commented 2026-02-16 17:26:40 -05:00
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@semidark commented on GitHub (Jul 1, 2025):

I was just experimenting with some local models (Devstral and Qwen3), and it seems that some customization options for the prompt would be beneficial to allow fine-tuning it for the models used.

@semidark commented on GitHub (Jul 1, 2025): I was just experimenting with some local models (Devstral and Qwen3), and it seems that some customization options for the prompt would be beneficial to allow fine-tuning it for the models used.
yindo commented 2026-02-16 17:26:40 -05:00
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@samhains commented on GitHub (Jul 8, 2025):

Also agree, would like ability to customize system prompts without having to fork.

@samhains commented on GitHub (Jul 8, 2025): Also agree, would like ability to customize system prompts without having to fork.
yindo commented 2026-02-16 17:26:40 -05:00
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@adamdotdevin commented on GitHub (Jul 8, 2025):

this is coming this week

@adamdotdevin commented on GitHub (Jul 8, 2025): this is coming this week
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Reference: anomalyco/opencode#418
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