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OpenAI GPT-6 Astra now supports UltraFast mode on Amazon Bedrock

calendar_today September 30, 2026 person aws@amazon.com domain amazon-q

Today, AWS announces the availability of UltraFast mode for GPT-6 Astra from OpenAI on Amazon Bedrock. Ultrafast is a premium speed tier for GPT-6 Astra built for workloads where speed matters most. According to OpenAI, Ultrafast delivers up to 6x faster inference in the API, with up to 300 tokens per second.

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