MajorOpenAINew Launchgpt-5
GPT-5.3 Chat Latest Model Released
OpenAI released gpt-5.3-chat-latest to the Chat Completions and Responses API, pointing to the GPT-5.3 Instant snapshot used in ChatGPT.
Mar 3, 2026 (UTC)Views:0
Impact Assessment
Cost0
Reliability0
Migration1
Quality2
Compliance0
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Sources
changelog
OpenAI Changelog
March, 2026
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