Grok 4.3 (High)
By SpaceXAI · released 2026-04-30 (5 months) · snapshot 2026-10-24
- Intelligence index
- 24.90
- Cost to run the AA index
- $363
- Price per 1M tokens (in / out)
- $1.25 / $2.50
- End-to-end time
- 24.9s
Is Grok 4.3 (High) on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-6.1 Sol (Medium) is at least as smart for the same money or less.
Next step up: GPT-6.1 Sol (High), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | Grok 4.3 (High) | SpaceXAI | 24.90 | $363 | 24.9s | 2026-04-30 | ||
| 2 | GPT-6.1 Sol (Medium) | OpenAI | 47.80 | $361 | 14.3s | 2026-09-29 | Frontier | |
| 3 | GPT-6.1 Sol (High) | OpenAI | 50.20 | $521 | 43.4s | 2026-09-29 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
Grok 4.3 (High) today
2 of 4 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: grok-4-3.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- Grok 4.3 (High) vs GPT-6.1 Sol (Medium)
- Grok 4.3 (High) vs GPT-6.1 Sol (High)
- Grok 4.3 (High) vs Grok 4.3 (Non-reasoning)
- Grok 4.3 (High) vs Grok 4.3 (Low)
- Grok 4.3 (High) vs Grok 4.3 (Medium)
- Grok 4.3 (High) vs GPT-6 Luna (Max)
- Grok 4.3 (High) vs Claude Haiku 5.5 (Xhigh)
- Grok 4.3 (High) vs MiMo-V2.6-Pro
- Grok 4.3 (High) vs GPT-6.1 Sol (Xhigh)
- Grok 4.3 (High) vs GPT-6.1 Sol (Max)
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), 1.1 points below MiMo-V2.5-Pro (Reasoning) at 1.6× the cost.
Should you use Grok 4.3 (High)?
Should you use Grok 4.3 (High)?
Only when it fits your setup: GPT-6.1 Sol (Medium) is at least as smart for the same money or less, so Grok 4.3 (High) is off the value frontier today.
What is better and cheaper than Grok 4.3 (High)?
GPT-6.1 Sol (Medium) — at least as smart for the same money or less.
How much does Grok 4.3 (High) cost?
$1.25/$2.50 in/out per 1M tokens, and $363 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is Grok 4.3 (High) on the Pareto frontier?
No: GPT-6.1 Sol (Medium) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where Grok 4.3 (High) is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | |
| AA intelligence index | End-to-end total seconds | |
| AA intelligence index | Output speed tokens/sec |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/grok-4-3 · Markdown: /api/v1/models/grok-4-3?format=md · llms.txt · agent skill