Expired50% confidenceFactExact time
o4-mini is the lightweight version of OpenAI's reasoning model series that significantly reduces inference latency and computational cost while maintaining high code generation quality.
1
Sources
50%
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
UnverifiedCodex internally calls OpenAI's latest reasoning models (such as o3/o4-mini), which have been specially optimized for code understanding and logical reasoning.78% similarUnverifiedThe limited preview mode continues OpenAI's gradual release strategy used for reasoning models such as o1 and o3.73% similarUnverifiedOpenAI's O1, O3, and DeepSeek R1 are recently emerged large models with strong performance, efficient reasoning, and low cost.71% similarVerifiedThe OpenAI o1 series develops Chain-of-Thought capabilities through reinforcement learning training, far surpassing traditional GPT-4 in mathematical proofs, algorithm design, and complex logical reasoning.69% similar
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