Grok 4.3 (medium)

By SpaceXAI · released 2026-04-30 (4 months) · snapshot 2026-09-09

Not ranked · benchmark data missingproprietary
Intelligence index
24.80
Price per 1M tokens (in / out)
$1.25 / $2.50
End-to-end time
14.4s
Better than…

Is Grok 4.3 (medium) on the Pareto frontier, and what beats it?

Not ranked · benchmark data missing

Grok 4.3 (medium) does not report both selected axis metrics.

At a glance

Grok 4.3 (medium) today

Time to first answer10.1s
Output speed114 tok/s
Input modalitiesNot reported
Not plotted

Incomplete benchmark data

Intelligence and benchmark cost are both required to place this model on the frontier. Missing data is not a performance verdict.

Intelligence index
24.80
Benchmark cost
Not reported
Input / 1M tokens
1.25
Output / 1M tokens
2.50
Context window
Not reported

Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: grok-4-3-medium.

Matchup

Compare head to head

Suggested: what beats it, its effort levels, and frontier models near its price.

Release

What the Grok 4.3 release did to the frontier on 2026-04-30

None of its 4 effort levels reached the frontier at launch.

Closest miss: Grok 4.3 (high), 1.0 points below MiMo-V2.5-Pro at 2.4× the cost.

Deciding

Should you use Grok 4.3 (medium)?

Should you use Grok 4.3 (medium)?

No verdict: it does not report both intelligence and benchmark cost.

What is better and cheaper than Grok 4.3 (medium)?

Other models on the intelligence-vs-cost frontier

How much does Grok 4.3 (medium) cost?

$1.25/$2.50 in/out per 1M tokens, and - to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.

Frontier membership by axis pair

Other axis pairs where Grok 4.3 (medium) is Pareto-optimal.

Y axisX axisOn the frontier
AA intelligence indexAA total cost to run (USD)no data
AA intelligence indexEnd-to-end total seconds
AA intelligence indexOutput speed tokens/sec
Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/grok-4-3-medium · Markdown: /api/v1/models/grok-4-3-medium?format=md · llms.txt · agent skill