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GPT-5.3 Chat
OpenAI · proprietary · gpt-5.3-chat-latest
GPT-5.3 Chat is the instant model used in ChatGPT. It features high intelligence with medium speed, supporting text and image inputs with a 128k context window. It supports streaming, function calling, and structured outputs, priced at $1.75/1M input and $14.00/1M output tokens.
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Benchmark scores
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Pricing
- OpenAI$1.75 / $14.00
Input / output per 1M tokens
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