Expired70% confidenceFactTime unknown
The latest version of Codex released in 2025 runs on the codex-1 model, which is based on the o3 architecture and has been fine-tuned for programming tasks through reinforcement learning
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
Related Entities
Related Claims
Unverified新Codex基于codex-mini模型（o3-mini的定制版本），专门针对编程任务进行了优化79% similarUnverifiedCodex CLI is based on the codex-1 model, which is an o3 variant specifically optimized for software engineering tasks.74% similarPartially VerifiedAI-native CLI tools such as Codex, Claude Code, and Open Code rose to prominence between 2024 and 202573% similarPartially VerifiedThe codex-1 model is trained to follow the style and conventions of real codebases, keeping generated code consistent with existing code style in a project70% similarUnverifiedCodex's code generation layer is based on a large-scale pre-trained model and involves the coordinated work of multiple sub-modules including token prediction, syntax constraints, and code template matching.70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/19563API
curl https://kongchang.com/api/v1/knowledge/claims/19563MCP
get_claim(id=19563)