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Copilot + GPT-5.5

A IDE agent plus hosted coding model stack for GitHub-centered teams and IDE-native suggestions.

ARscore 431M context$6/$25mixed stack
AgentCopilot
ModelGPT-5.5
Agent score52
Model SWE-bench82.6%
Combined score43
Best fitGitHub-centered teams and IDE-native suggestions

Related Copilot stacks

Same agent, different model choices.

Copilot + GPT-5.4

ARscore 41.2, 1M context, $5/$20

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Related GPT-5.5 stacks

Same model, different agent wrappers.

Codex + GPT-5.5

ARscore 69.4, CLI workflow

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Cursor + GPT-5.5

ARscore 58.6, IDE workflow

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Devin + GPT-5.5

ARscore 50.4, Cloud workflow

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Windsurf + GPT-5.5

ARscore 48.7, IDE workflow

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