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GPT-5.2 and GPT-5.2-Codex are now 40% faster
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Overview
GPT-5.2 and GPT-5.2-Codex are now 40% faster due to optimizations in the inference stack for all API customers. The models maintain the same architecture and weights while offering lower latency.
Summary from twitter.com.
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Community analysis available for 1 of 1 linked discussions.
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Community reactions
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Hacker News · twitter.com
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Based on 5 sampled comments from this thread. Analyzed 2026-02-04.
- Praise: The 40% faster inference in GPT-5.2 significantly boosts productivity, with users reporting up to 3x improvement in their workflow.
- Praise: OpenAI's introduction of subagents and a better multi-agent interface enhances the usability of Codex, making it more effective for developers.
- Concern: There are concerns that OpenAI may sacrifice model quality for speed, leading to skepticism about the reliability of their performance claims.
- Concern: The perception that initial model performance is artificially inflated raises doubts about the long-term effectiveness of the new features.
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