Switch to OpenAI GPT-5 bot (cheaper) (#1129)

 ## Summary by cubic Switches the duplicate-issues GitHub Action from anthropic/claude-sonnet-4-20250514 to openai/gpt-5 to reduce cost. Updates the workflow to use OPENAI_API_KEY instead of ANTHROPIC_API_KEY.

Switch to OpenAI GPT-5 bot (cheaper) (#1129)
45ff05c7 · Will Chen · GitHub · c6342350 · 45ff05c7
--- a/.github/workflows/duplicate-issues.yml
+++ b/.github/workflows/duplicate-issues.yml
@@ -26,7 +26,7 @@ jobs:

      - name: Check for duplicate issues
        env:
-          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          OPENCODE_PERMISSION: |
            {
@@ -37,7 +37,7 @@ jobs:
              "webfetch": "deny"
            }
        run: |
-          opencode run -m anthropic/claude-sonnet-4-20250514 "A new issue has been created:'
+          opencode run -m openai/gpt-5 "A new issue has been created:'

          Issue number:
          ${{ github.event.issue.number }}