GPT-6 Sol (High) vs Grok 4.3 (High)

Which is better for the money: GPT-6 Sol (High) by OpenAI or Grok 4.3 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Trade-off

OpenAIGPT-6 Sol (High)Off the frontier

Intelligence: 42.40
Total cost: $605

SpaceXAIGrok 4.3 (High)Off the frontier

Intelligence: 24.90
Total cost: $363

Verdict

Depends on your budget

GPT-6 Sol (High) scores 17.5 points higher (42.4 vs 24.9) but costs 1.7× as much to run the benchmark ($605 vs $363; premium vs mid-range cost classes). Pick GPT-6 Sol (High) when the extra intelligence is worth the premium, otherwise Grok 4.3 (High).

Metric	GPT-6 Sol (High)	Grok 4.3 (High)	Difference
Intelligence (higher is better)	42.4	24.9	−41.3% Grok 4.3 (High) is 41.3% less intelligent
Total AA cost (lower is better)	$604.52	$363.24	−39.9% Grok 4.3 (High) is 39.9% cheaper
End-to-end time (lower is better)	15.56s	28.87s	+85.5% Grok 4.3 (High) is 85.5% slower
Price per 1M tokens (in / out)	$2.00 / $10.0	$1.25 / $2.50
Input modalities	Text, Image	Text, Image

Grok 4.3 (High) vs GPT-6 Sol (High): 41.3% less intelligence, 39.9% less cost to run the AA benchmark, and 85.5% slower end-to-end.

Open this matchup in the interactive picker GPT-6 Sol (High): what beats it Grok 4.3 (High): what beats it

Today's Pareto frontier

Against the frontier

GPT-6 Sol (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Grok 4.3 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.

GPT-6 Sol (High)Grok 4.3 (High)Today's Pareto frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-sol-high/grok-4-3 · Markdown: /api/v1/compare/gpt-6-sol-high/grok-4-3?format=md · llms.txt · agent skill