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© 2026 Simon-Pierre Boucher · AI Atlas. Data is aggregated from public sources and attributed on every page.

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Model Timeline

Timeline of Grok 4.5

Every recorded change for this model by xAI, newest first. Back to the entity page →

15 events

Year

Category · events in the last 365 days

All categories Benchmarks4,947 Models2,337 Companies1,601 Research1,104 Releases1,019 Providers & pricing640 Datasets146 Frameworks136 Hardware44 Pricing14 Repositories10

Filtered to one entity. Show the whole atlas

Sept 2026 15

11 Sept 2026
Benchmark resultModelGrok 4.5xAI
Grok 4.5 scores 71.529% on LiveBench
livebench_leaderboard
livebench.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 82.795% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 73.038% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 90.825% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 56.465% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 68.585% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 87.173% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 75.773% on LiveBench

livebench_leaderboard

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 81.65% on Terminal-Bench

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 10.61% on Terminal-Bench

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 80.4% on MMMU-Pro

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 54.98% on SciCode

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 42.68% on Humanity's Last Exam

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 93.13% on GPQA

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGrok 4.5xAI

Grok 4.5 scores 39.08 on Artificial Analysis Intelligence Index

artificial_analysis

artificialanalysis.ai

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