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Grok 4.3

Official information

Release date: Apr 17, 2026
Official model ID: grok-4.3

Vendor source: Grok 4.3
Identity verified: Aug 13, 2026

API pricing

Verification: Verified
Verified at: Sep 12, 2026, 06:10:02 GMT+8
Value benchmark tier: grok-4-3-ordinary

Input / output per million tokens
Tier / region	Input / output · per MTok	Context pricing tier	Billing	Validity	Source
grok-4-3-ordinary global	$1.25 / $2.5	0–199,999 tokens	Standard online · Cache miss All day	Current	Official rates Sep 12, 2026, 06:10:02 GMT+8
grok-4-3-long global	$2.5 / $5	≥ 200,000 tokens	Standard online · Cache miss All day	Current	Official rates Sep 12, 2026, 06:10:02 GMT+8

Rankings by category

Overall

#49High 0.83

3.5

Overall — Source breakdown
Source	Percentile	Raw score	Config folding
LiveBench	1.2	63.3	Single config
LMArena	5.7	1398.4	Single config

Cross-source percentile spread 4.5

Coding

#50High 0.76

2.8

Coding — Source breakdown
Source	Percentile	Raw score	Config folding
LiveBench	1.2	39.1	Single config
LMArenatext-coding	3.4	1414.8	Single config
· webdev	5.4	1357.0	Single config

Cross-source percentile spread 3.2

Agent

#34Medium 0.57

6.8

Agent — Source breakdown
Source	Percentile	Raw score	Config folding
Agents' Last Exam	6.8	18.6	Median of 2 configs

Reasoning

#40High 0.79

25.2

Reasoning — Source breakdown
Source	Percentile	Raw score	Config folding
Epoch AI	59.8	0.9	Single config
LiveBench	13.4	77.6	Single config
LMArenatext-math	1.2	1389.2	Single config
· text-hard	3.4	1397.9	Single config

Cross-source percentile spread 57.5

Value

#41High 0.83

15.5

Aliases & configurations

grok-4-3
grok-4-3-high· high

Methodology & data sources