Timeline of xAI

Grok 4.6 scores 71.867% on LiveBench

Grok 4.6 scores 83.697% on LiveBench

Grok 4.6 scores 73.857% on LiveBench

Grok 4.6 scores 92.568% on LiveBench

Grok 4.6 scores 57.02% on LiveBench

Grok 4.6 scores 76.776% on LiveBench

Grok 4.6 scores 90.51% on LiveBench

Grok 4.6 scores 78.042% on LiveBench

Grok Build 0.1 scores 65.221% on LiveBench

Grok Build 0.1 scores 72.46% on LiveBench

Grok Build 0.1 scores 70.794% on LiveBench

Grok Build 0.1 scores 78.429% on LiveBench

Grok Build 0.1 scores 45.808% on LiveBench

Grok Build 0.1 scores 65.386% on LiveBench

Grok Build 0.1 scores 76.37% on LiveBench

Grok Build 0.1 scores 67.781% on LiveBench

Grok 4.5 scores 71.529% on LiveBench

Grok 4.5 scores 82.795% on LiveBench

Grok 4.5 scores 73.038% on LiveBench

Grok 4.5 scores 90.825% on LiveBench

Grok 4.5 scores 56.465% on LiveBench

Grok 4.5 scores 68.585% on LiveBench

Grok 4.5 scores 87.173% on LiveBench

Grok 4.5 scores 75.773% on LiveBench

Grok 4.3 scores 62.75% on LiveBench

Grok 4.3 scores 73.58% on LiveBench

Grok 4.3 scores 55.773% on LiveBench

Grok 4.3 scores 84.339% on LiveBench

Grok 4.3 scores 18.535% on LiveBench

Grok 4.3 scores 69.933% on LiveBench

Grok 4.3 scores 70.822% on LiveBench

Grok 4.3 scores 62.247% on LiveBench

grok-2 scores 3.06% on Humanity's Last Exam

grok-2 scores 51.01% on GPQA

grok-2 scores 7.11 on Artificial Analysis Intelligence Index

grok-1 scores 6.34 on Artificial Analysis Intelligence Index

grok-4.20-0309-non-reasoning scores 16.67% on Terminal-Bench

grok-4.20-0309-non-reasoning scores 59.94% on τ²-bench

grok-4.20-0309-non-reasoning scores 64.91% on MMMU-Pro

grok-4.20-0309-non-reasoning scores 49.32% on IFBench

grok-4.20-0309-non-reasoning scores 27.94% on Humanity's Last Exam

grok-4.20-0309-non-reasoning scores 77.58% on GPQA

grok-4.20-0309-non-reasoning scores 14.2 on Artificial Analysis Intelligence Index

Grok 4.5 scores 81.65% on Terminal-Bench

Grok 4.5 scores 10.61% on Terminal-Bench

Grok 4.5 scores 80.4% on MMMU-Pro

Grok 4.5 scores 54.98% on SciCode

Grok 4.5 scores 42.68% on Humanity's Last Exam

Grok 4.5 scores 93.13% on GPQA

Grok 4.5 scores 39.08 on Artificial Analysis Intelligence Index

Grok 4.3 scores 37.88% on Terminal-Bench

Grok 4.3 scores 39.7% on Terminal-Bench

Grok 4.3 scores 0% on Terminal-Bench

Grok 4.3 scores 97.66% on τ²-bench

Grok 4.3 scores 78.09% on MMMU-Pro

Grok 4.3 scores 81.29% on IFBench

Grok 4.3 scores 48.26% on SciCode

Grok 4.3 scores 37.21% on Humanity's Last Exam

Grok 4.3 scores 90.1% on GPQA

Grok 4.3 scores 25.39 on Artificial Analysis Intelligence Index

Grok Build 0.1 scores 17.42% on Terminal-Bench

Grok Build 0.1 scores 75.73% on τ²-bench

Grok Build 0.1 scores 41.36% on IFBench

Grok Build 0.1 scores 8.02% on Humanity's Last Exam

Grok Build 0.1 scores 72.73% on GPQA

Grok Build 0.1 scores 14.06 on Artificial Analysis Intelligence Index

Grok 4.20 scores 37.88% on Terminal-Bench

Grok 4.20 scores 92.98% on τ²-bench

Grok 4.20 scores 74.57% on MMMU-Pro

Grok 4.20 scores 81.22% on IFBench

Grok 4.20 scores 34.52% on Humanity's Last Exam

Grok 4.20 scores 91.11% on GPQA

Grok 4.20 scores 25.66 on Artificial Analysis Intelligence Index

Grok 4.6 scores 88.39% on Terminal-Bench

Grok 4.6 scores 21.21% on Terminal-Bench

Grok 4.6 scores 56.48% on SciCode

Grok 4.6 scores 42.91% on Humanity's Last Exam

Grok 4.6 scores 94.95% on GPQA

Grok 4.6 scores 44.41 on Artificial Analysis Intelligence Index

New model: Grok Voice Think Fast 1.0 (xAI)

New model: Grok Voice Think Fast 2.0 (xAI)

New model: Grok STT (xAI)

New model: Grok TTS (xAI)

New model: Grok Imagine Video (xAI)

New model: Grok Imagine Video 1.5 (xAI)

New model: Grok Imagine Image 2.0 (xAI)

New model: Grok Imagine Image (xAI)

New model: Grok Imagine Image Quality (xAI)

New model: grok-4.20-0309-non-reasoning (xAI)

xAI API lists Grok Imagine Image 2.0 at n/a

xAI API lists Grok Imagine Image at n/a

xAI API lists Grok Imagine Image Quality at n/a

xAI API lists Grok 4.6 at $2 in / $6 out per 1M tokens

xAI API lists Grok 4.20 at $1.25 in / $2.5 out per 1M tokens

xAI API lists grok-4.20-0309-non-reasoning at $1.25 in / $2.5 out per 1M tokens

xAI API lists Grok 4.3 at $1.25 in / $2.5 out per 1M tokens

xAI API lists Grok 4.20 Multi-Agent at $1.25 in / $2.5 out per 1M tokens

xAI API lists Grok Build 0.1 at $1 in / $2 out per 1M tokens

xAI API lists Grok 4.5 at $2 in / $6 out per 1M tokens

Grok 4.6: modalities input changed from ["image", "text"] to ["text", "image"]

Grok 4.20: context length changed from 2000000 to 1000000

Grok 4.20: modalities input changed from ["image", "text"] to ["text", "image"]

Grok 4.3: modalities input changed from ["image", "text"] to ["text", "image"]

Grok 4.20 Multi-Agent: tool calling changed from false to true

Grok 4.20 Multi-Agent: context length changed from 2000000 to 1000000

Grok 4.20 Multi-Agent: modalities input changed from ["image", "text"] to ["text", "image"]

Grok Build 0.1: modalities input changed from ["image", "text"] to ["text", "image"]

Grok 4.5: modalities input changed from ["image", "text"] to ["text", "image"]

New model: grok-1 (xAI)

New model: grok-2 (xAI)

xAI API lists Grok 4.20 at $1.25 in / $2.5 out per 1M tokens

xAI API lists Grok 4.20 Multi-Agent at $1.25 in / $2.5 out per 1M tokens

xAI API lists Grok 4.3 at $1 in / $2 out per 1M tokens

xAI API lists Grok 4.3 at $1.25 in / $2.5 out per 1M tokens

xAI API lists Grok Build 0.1 at $1 in / $2 out per 1M tokens

xAI API lists Grok 4.5 at $2 in / $6 out per 1M tokens

xAI API lists Grok 4.6 at $2 in / $6 out per 1M tokens

New provider: xAI API (xAI)

New company: xAI

New model: Grok 4.6 (xAI)

New model: Grok 4.5 (xAI)

New model: Grok Build 0.1 (xAI)

New model: Grok 4.3 (xAI)

New model: Grok 4.20 (xAI)