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GPT-5.3-Codex-Spark quota visible, but Codex says model is unsupported with ChatGPT account
·
Community Openai
·
Sept. 15, 2026, 2:23 p.m.
openai
AI performance
GPT-5.3
Codex-Spark
Summary
The post expresses disappointment over the visible quotas for GPT-5.3-Codex-Spark, noting that it is fast and that its performance cannot be matched by the Lunar model, while hoping for future developments that will address these issues.
Read full post on community.openai.com →
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