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SpaceXAI releases Grok 4.6 with 500K context, tied to GPT-5.6 Sol Max

By PulseAugur Editorial · [2 sources] ·

SpaceXAI has released Grok 4.6, an updated frontier model that enhances Grok 4.5 with a longer supplemental training run focused on agentic environments and reasoning. This new version boasts a 500,000-token context window and achieves a score of 61 on the Artificial Analysis Intelligence Index, matching GPT-5.6 Sol Max. Grok 4.6 is now available through the xAI API, Grok Build, and Cursor, targeting applications in software development, research, and knowledge-intensive tasks. AI

IMPACT Enhances agentic capabilities and reasoning with a large context window, potentially improving performance in complex, multi-step tasks.

RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=2 ai=1.0]

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

SpaceXAI releases Grok 4.6 with 500K context, tied to GPT-5.6 Sol Max

COVERAGE [2]

  1. MarkTechPost TIER_1 English(EN) · Michal Sutter ·

    SpaceXAI Releases Grok 4.6: A 500K-Context Frontier Model Tuned for Long-Running Agents, Coding, and Knowledge Work

    <p>SpaceXAI released Grok 4.6 on August 12, 2026 — a post-training upgrade over Grok 4.5, not a larger base model. It ties GPT-5.6 Sol Max at 61 on the Artificial Analysis Intelligence Index, ships 500K context and a new xhigh reasoning level, and holds pricing at $2/$6 per milli…

  2. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    xAI has released Grok 4.6, a frontier model with 500,000 context tokens designed for long-running AI agents, coding and knowledge work. The model scores 61 on t

    xAI has released Grok 4.6, a frontier model with 500,000 context tokens designed for long-running AI agents, coding and knowledge work. The model scores 61 on the Artificial Analysis Intelligence Index, tied with GPT-5.6 Sol Max, and is available via Cursor and Grok Build. https:…

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