Grok-1.5

Status unknown · Language

Grok-1.5 is a language model from xAI, announced on 28 March 2024 for early testers and existing Grok users on X. xAI says it improves reasoning and problem solving over Grok-1, most notably in coding and maths, and it raises the context window to 128,000 tokens. [1] Primary source

Timeline of Grok-1.5 →

Claims and evidence

  • Announced Primary source[1]page date
  • Released Date unknownThe announcement says Grok-1.5 would reach early testers and existing Grok users on X in the coming days; no xAI page gives the rollout date. Evidence incompleteNo source
  • Status Status unknownxAI has published no deprecation or retirement notice for Grok-1.5. The Grok-2 announcement of 2024-08-13 calls it xAI's previous model. Evidence incompleteNo source
  • Successor of Grok-1 Primary source[1]second paragraph
  • Change · Context length Context window raised to 128,000 tokens from 8,192; xAI says this is up to 16 times the previous length.Compared with Grok-1 Primary source[1]Long Context Understanding [2]Model details
  • Change · Reasoning xAI reports better reasoning and problem solving, most notably in coding and maths.Compared with Grok-1 Primary source[1]
  • Feature Long context Primary source[1]Long Context Understanding
  • Context window 128,000 tokens tokens Primary source[1]subtitle; Long Context Understanding
  • Parameters Not disclosedNot disclosed by xAI. No claim madeNo source
  • Access consumer appAnnounced for early testers and existing Grok users on the X platform. Primary source[1]first paragraph; Looking Ahead

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