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LatchBio

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EVENT TIMELINE

2

MODELS · 2 SOURCES · xAI · The Decoder

SpaceXAI releases Grok 4.7 — faster, cheaper model for coding and knowledge work

SpaceXAI released Grok 4.7, a new base-model upgrade positioned as its most capable model for coding and knowledge work; it reportedly uses a larger base model, longer RL training focused on long-running tasks, and an entirely new safeguard stack. The company says Grok 4.7 matches the price and speed of Grok 4.6 while improving verification, longer-context handling, document/presentation generation, benchmark performance (CursorBench 4.0, GDPval, AA Briefcase), and safety metrics (LatchBio biosafety 62.4%, HackerBench v0.3 allowing 3.3% risky prompts); it is available in Cursor, Grok Build, the Grok API, third-party harnesses and cloud platforms, priced from $2 per million input tokens and $6 per million output tokens, with an optional faster (2x) variant at double the price.

8.0

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