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MODEL · ENTITY #2198

Grok 4.6

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EVENT TIMELINE

3

MODELS · 1 SOURCE · xAI

SpaceXAI launches Grok 4.5, a model optimized for coding and agentic tasks

SpaceXAI says it has released Grok 4.5, its newest model trained alongside Cursor and optimized for coding, agentic workflows, and knowledge work. The company reports training across tens of thousands of NVIDIA GB300 GPUs, claims roughly 2× token efficiency versus leading models, 80 TPS serving speed, and priced the model at $2 per million input tokens and $6 per million output tokens; Grok 4.5 is available in Grok Build, Cursor, and via the SpaceXAI console with limited free usage offered.

8.0

MODELS · 1 SOURCE · xAI

Grok 4.6 becomes available on Gemini Enterprise Agent Platform

Grok 4.6 is now available via the Gemini Enterprise Agent Platform and can be accessed by developers through Model Garden. The model provides a 500k context window and configurable reasoning effort levels (low, medium, high, xhigh); the Grok 4.6 model card and announcement are provided for more details.

7.0

MODELS · 1 SOURCE · xAI

LatchBio analysis finds Grok 4.6 best at refusing disguised biohazard tasks on BioSecBench

LatchBio published an independent analysis of Grok 4.6 using its BioSecBench suites. On BioSecBench-Refusal Grok 4.6 achieved the top results across harnesses (trial-weighted harmonic mean 62.1%), refusing 59.2% of red-team tasks while completing 64.8% of routine tasks (the only model >50% on both); on BioSecBench-Surveillance it averaged 53.5% success, behind Opus 5 and ahead of GPT-5.6 Sol. The report says evaluations used multiple agent harnesses and effort levels and includes additional routine biological capability results (e.g., SpatialBench, TxBench-PP) at benchmarks.bio.

7.0