Grok 4.6
3 storiesGrok 4.6 is a large language model from xAI. Recent coverage notes that it is now available to customers through Amazon Bedrock, and that in a driving benchmark discussed on Hacker News it reached only 11% completion, versus 45% for Claude Fable 5.1 and a full run by GPT-6 Astra in 5:22, highlighting differences on embodied driving tasks.
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In a driving benchmark discussed on HN, GPT-6 Astra with Codex at medium setting completed the course on its second attempt at 100% progress in 5:22, using 6.6M tokens and $7.74. Claude Fable 5.1 reached only 45% and Grok 4.6 11%, showing a capability gap on embodied driving tasks.
xAI's Grok 4.6 is now available on Amazon Bedrock, allowing customers to access it through the platform.
Cognition launched SWE-2, a coding model scoring 50.0 on FrontierCode 1.1 Main—within one point of Fable 5.1 while 64% cheaper; it was post-trained from the 2.8T-parameter Kimi K3 and uses single-run RL across reasoning levels to improve cost-performance.
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