Expired60% confidenceFactExact time
Codex App uses the o3 model by default, with the option to switch to o4-mini and other model sizes.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
OpenAI Codex App In-Depth Review: Streets Parallel Development and Five Core Features Explained
bilibili晟6668886/6/2026
Related Claims
UnverifiedOpenAI officially released the O3 Mini model following competitive pressure from DeepSeek's model launch, accelerating its previously previewed release.66% similarUnverifiedThe limited preview mode continues OpenAI's gradual release strategy used for reasoning models such as o1 and o3.66% similarUnverifiedOpenAI's o3/o4-mini series reasoning models have a context window of 128K–200K tokens.65% similarUnverifiedOpenAI's Reasoning capability corresponds to the o1/o3 product series.63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/51710API
curl https://kongchang.com/api/v1/knowledge/claims/51710MCP
get_claim(id=51710)