Is GPT-5.5 Pro Pre Release SOTA? No

Q: Is GPT-5.5 Pro Pre Release state of the art?

No. Best recorded rank is #13 in Reasoning. As of Oct 13, 2026, GPT-5.5 Pro Pre Release from OpenAI. Best recorded rank is #13 in Reasoning. Last listed at #13 in Reasoning on 2026-04-23.

isitsota / models / OpenAI / gpt-5-5-pro-pre-release

VERIFIEDOct 132026

Is GPT-5.5 Pro Pre Release state of the art?

No.Best recorded rank is #13 in Reasoning.

As of Oct 13, 2026, GPT-5.5 Pro Pre Release from OpenAI. Best recorded rank is #13 in Reasoning. Last listed at #13 in Reasoning on 2026-04-23.

Computed automaticallyas of Oct 13, 2026methodology v1.0confidence: low

ReasoningNot SOTA · #13#13 · 0d ScienceNot SOTA · #13#13 · 0d

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Why

The ruling, in plain English

Last listed at #13 in Reasoning on 2026-04-23.

Receipts

Evidence

Scores come from the latest ingested snapshot

Source	Score	Date	Type	Receipt
GPQA Diamond gpt-5.5-pro-pre-release_xhigh · xhigh	0.9392135642135643 0.9–1.0	2026-04-23	INDEP.	snap_e03cddec1fbb

Reign history

Where it sits in the succession

Full timeline →

No closed or open crown interval includes this model.

Honest about the gaps

Where it is not the crown

Category	This model	Why
Reasoning	Not SOTA · #13	Last listed at #13 in Reasoning on 2026-04-23.
Science	Not SOTA · #13	Last listed at #13 in Science on 2026-04-23. That board does not award a crown.