Direct announcements from model vendors, companies and research institutions on their official sites, blogs and accounts.
Amazon Bedrock has launched OpenAI's GPT-6 Astra, Sol, and Luna series models, among which GPT-6 Astra supports up to 1 million input tokens, and the Ultrafast version boosts API inference speed by up to 6x, reaching 300 tokens/second.
xAI's Grok 4.7 is now available on Amazon Bedrock with a 500K-token context window and four configurable reasoning levels: low, medium, high, and xhigh. It supports the Responses, Chat Completions, and Converse APIs, and is served through cross-region inference profiles at the bedrock-runtime endpoint.
Why it matters: The article details how to access Grok 4.7 on Bedrock and its four reasoning levels, helping readers weigh cost and latency for long-running agent tasks.
