xAI

Grok 4.7

Grok 4.7 is a proprietary model from xAI, released Sep 21, 2026. It ranks #158 of 351 on the LMArena text leaderboard with a rating of 1398, and #13 of 27 on the Vals Index with 58.56%. It costs $2 per million input tokens and $6 per million output tokens, with a 500K-token context window.

LMArena text1398
Rank#158/351
95% interval1392–1404
Votes14.7K
Vals Index58.56%
Developer
xAI
Released
Sep 21, 2026
Context window
500K
Price in / out, per 1M tokens
$2 / $6
Weights
Proprietary
Inputs
Text, Images, Files
Reasoning
Yes
Tool use
Yes

Benchmarks

BenchmarkScore barAccuracyRankCost / test
Vals IndexVals AI58.56%13 / 27$11.63
Terminal-Bench 4.0Coding28.79%22 / 55$18.01
Vibe Code BenchCoding86.17%12 / 115$15.83
Code MigrationCoding53.22%12 / 28$38.05
Finance AgentFinance60.59%19 / 31$2.24
Finance IndexFinance58.46%10 / 31$3.51
Tax Agent BenchFinance34.20%14 / 76$1.80
Legal IndexLaw72.60%6 / 28$5.82
Legal Research BenchLaw47.12%14 / 85$4.92
MedCodeMedicine49.55%22 / 107$2 / $6
Terminal-Bench ScienceReasoning10.00%16 / 42$17.04

Vals AI, as of Oct 24, 2026.

LMArena, by category

LeaderboardRatingRankVotes
TextLMArena1398158 / 35114.7K
CodingLMArena1427140 / 3463.2K
MathLMArena1413140 / 339760
Creative writingLMArena1381130 / 3493.3K
Instruction followingLMArena1408110 / 3514.9K
Hard promptsLMArena1414145 / 3518.9K
Multi-turnLMArena1394161 / 3492.2K
Long queriesLMArena1416116 / 3306.1K
ExpertLMArena1439101 / 3051.4K
Legal and governmentIndustries1420131 / 3251.2K
Medicine and healthcareIndustries1393164 / 3251K
Business and financeIndustries1388159 / 3442.5K
ChineseLanguages1445136 / 3281.1K
SpanishLanguages1403142 / 249531
GermanLanguages1372153 / 261230
FrenchLanguages1431119 / 252535
JapaneseLanguages1356122 / 236295
WebDevLMArena163819 / 1245.7K
VisionLMArena123179 / 1463.7K

LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.

Compare Grok 4.7

xAI

The lab behind Grok, trained on one of the largest compute clusters and integrated with X. Founded 2023, based in San Francisco Bay Area. x.ai

Questions

Who makes Grok 4.7?

Grok 4.7 is made by xAI, founded 2023 and based in San Francisco Bay Area.

How much does Grok 4.7 cost?

$2 per million input tokens and $6 per million output tokens, at its provider’s list price.

What is Grok 4.7’s context window?

500K tokens (500,000).

How does Grok 4.7 rank?

#158 of 351 on LMArena’s text leaderboard, rated 1398 (95% interval 1392–1404) from 14,693 votes, as of Oct 22, 2026.

Is Grok 4.7 open source?

No. Grok 4.7 is proprietary and served through its provider’s API.

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.