Grok modelsby xAI

34 models18 current5 older11 retired
#5of 93Grok Imagine Image 2.0?Image · AA Image Arena · Text-to-image
Oct 14, 2026Grok Voice 3.0newest release
$1.25 / $2.50Grok 4.20 Multi-Agent?cheapest · per 1M in / out
10categories ranked?Chat · Coding · Agents …

Current lineup?

Chat & Knowledge

Humanity's Last Exam · 334 ranked
Full ranking →
RankModelScoreIn / out
#30 of 334Grok 4.743.1$2 / $6

Coding

Terminal-Bench 4.0 · 132 ranked
Full ranking →
RankModelScoreIn / out
#24 of 132Grok 4.725.8$2 / $6

Agents & Tool Use

AutomationBench-AA · 133 ranked
Full ranking →
RankModelScoreIn / out
#11 of 133Grok 4.765.6$2 / $6

Writing & Language

Arena Text · creative writing · 195 ranked
Full ranking →
RankModelEloIn / out
#49 of 195Grok 4.71,424$2 / $6

Vision & Documents

MMMU-Pro (vision) · 124 ranked
Full ranking →
RankModelScoreIn / out
#33 of 124Grok 4.778.2$2 / $6

Image Generation & Editing

AA Image Arena · text-to-image v2.1 · 93 ranked
Full ranking →
RankModelEloPrice
#5 of 93Grok Imagine Image 2.01,166$0.06 / image#32 of 93Grok Imagine Image1,022$0.02 / image

Video Generation

AA Video · text-to-video · with audio v2.1 · 24 ranked
Full ranking →
RankModelEloPrice
#11 of 24Grok Imagine Video 1.51,059$0.25 / sec#18 of 24Grok Imagine Video 1.5 Lite998$0.14 / sec

Speech · Text to speech

AA TTS provider voice · 96 ranked
Full ranking →
RankModelEloPrice
#29 of 96SpaceXAI TTS1,149$15 / 1M chars

Speech · Speech to text

AA Speech to text · Recorded audio word error rate · 51 ranked
Full ranking →
RankModelScore ↓Price
#6 of 51Grok Voice Transcribe 2.02.3$0.002 / min

Speech · Realtime

τ-Voice · AA · aggregate · 17 ranked
Full ranking →
RankModelScorePrice
#2 of 17Grok Voice 3.071.6$0.08 / min#4 of 17Grok Voice 2.056.5$0.08 / min

Grok API pricing?

ModelInputOutputCache readContextReleased ↓Status
Grok 4.7
$2$6$0.50500KSep 2026
Grok 4.6
Older
$2$6$0.50500KAug 2026Older
Grok 4.5
Older
$2$6$0.30500KJul 2026Older
Grok 4.3
Older
$1.25$2.50$0.201MApr 2026Older
Grok Build 0.1
Older
$1$2$0.20256KApr 2026Older
Grok 4.20 Multi-Agent
$1.25$2.50$0.202MMar 2026
Grok 4.20 Non-Reasoning
h!$1.25$2.50———
Grok 4.20 Reasoning
h!$1.25$2.50———
Grok 4.20 0309 Non Reasoning
h!$1.25$2.50—1M—
Grok 4.20 0309 Reasoning
h!$1.25$2.50—1M—
Grok 4.20 Multi Agent 0309
h!$1.25$2.50—1M—
2 more without a listed priceFull Grok pricing: cache, batch, FAQ →

Model lines?

GrokGrok Fast
203040 Jul ’25Sep ’25Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26 Release date Humanity's Last Exam
203040 Jul ’25Jan ’26Jul ’26 Release date Humanity's Last Exam

Retired & older

ModelStatusReplace withStill onReleased
Deprecated
DeprecatedxAIMay 2026
Superseded
SupersededOpenRouterAug 2026
Superseded
SupersededOpenRouterJul 2026
Superseded
SupersededOpenRouterApr 2026
Superseded
SupersededOpenRouterApr 2026
Retired May 2026
Retired May 2026—Nov 2025
Retired May 2026
Retired May 2026—Sep 2025
Retired May 2026
Retired May 2026—Aug 2025
Retired May 2026
Retired May 2026—Jul 2025
Retired May 2026
Retired May 2026—Feb 2025
Retired May 2026
Retired May 2026——
Retired May 2026
Retired May 2026——
Retired
RetiredOpenRouterApr 2026
Retired
Retired—Mar 2026
Retired
Retired——
Retired
Retired——