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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: Oct 27, 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 Oct 27, 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 Oct 27, 2026, 06:10:02 GMT+8

Rankings by category

Overall

#56High 0.82

4.0

Overall — Source breakdown
Source	Percentile	Raw score	Config folding
LiveBench	1.1	63.3	Single config
LMArena	6.9	1396.9	Single config

Cross-source percentile spread 5.8

Coding

#56High 0.76

2.0

Coding — Source breakdown
Source	Percentile	Raw score	Config folding
LiveBench	1.1	39.1	Single config
LMArena	2.9	1414.4	Single config

Cross-source percentile spread 1.9

Agent

#39Medium 0.57

5.4

Agent — Source breakdown
Source	Percentile	Raw score	Config folding
Agents' Last Exam	5.4	18.6	Median of 2 configs

Reasoning

#49High 0.81

22.3

Reasoning — Source breakdown
Source	Percentile	Raw score	Config folding
Epoch AI	53.1	0.9	Single config
LiveBench	12.0	77.6	Single config
LMArenatext-math	1.0	1386.9	Single config
· text-hard	2.9	1396.4	Single config

Cross-source percentile spread 51.2

Value

#42High 0.82

16.6

Aliases & configurations

grok-4-3
grok-4-3-high· high

Methodology & data sources