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GPT-5.5 In Deep
Amp has updated its deep mode to run on GPT-5.5, which is a better coding agent than GPT-5.4 with improved steerability, interactivity, and constraint adherence. The default reasoning effort in deep mode was changed from high to medium because higher effort performed worse in evaluations.
From the source
GPT-5.5 now powers Amp's deep mode.
ampcode.com
Visit source ↗ampcode.com
ModelsGPT-5.5
- Announced
- 04 May 2026
- Detected
- 03 Sep 2026 14:35 UTC (+121d after)
