Microsoft announced on September 12, 2026 that it is adding xAI's Grok models to its Copilot lineup, broadening a Grok integration that began with Grok 4.1 Fast in preview for US organizations through…
XAI's Grok 4.1 Fast model, listed as xai/grok-4.1-fast-non-reasoning on Google Vertex, has been marked deprecated with no announced retirement date, according to a provider announcement on models.dev.…
A new open-source benchmark framework, ParliamentBench, based on the social deduction game Secret Hitler, evaluates large language models' deceptive capabilities, finding that frontier models GPT-5.4,…
A new open-source benchmark framework, ParliamentBench, based on the social deduction game Secret Hitler, evaluates whether large language models (LLMs) can deceive, persuade, and reason under informa…
Jacky Liang, Dev Rel Lead at OpenRouter, dropped 11 large language models into a 2D battle royale game for 30 matches. Grok 4.1 Fast won 13 games at $0.97 per win, while Claude Sonnet 4.6 won 5 games …