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AI Atlas
ModelDeprecatedProprietary

gpt-5-pro

OpenAIdevelopers.openai.com/api/docs/models/gpt-5-pro

Version of GPT-5 that produces smarter and more precise responses

quality69

Updated 7 h ago · first seen 11 Sept 2026

model_01M293V77TKK470XYF6TYDRMAE

Context
400K tokens
T2 · 7 h ago
Released
6 Oct 2025
T2 · 7 h ago
Knowledge cutoff
Sept 2024
T2 · 7 h ago

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Supported parameters

1 claims · 1 propertiesShow all properties

Supported parameterssupported_parameters1

Claim history for Supported parameters
ValueValid from → toStatusSourceConfidenceExtractor
include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, toolscurrentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →