GPT-5.6 Terra (High) vs GPT-6 Sol (Max)

Which is better for the money: GPT-5.6 Terra (High) by OpenAI or GPT-6 Sol (Max) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.

Trade-off

OpenAIGPT-5.6 Terra (High)Off the frontier

Intelligence: 34.20
Total cost: $768

OpenAIGPT-6 Sol (Max)Off the frontier

Intelligence: 47.60
Total cost: $1536

Verdict

Depends on your budget

GPT-6 Sol (Max) scores 13.4 points higher (47.6 vs 34.2) but costs 2.0× as much to run the benchmark ($1536 vs $768; both premium class). Pick GPT-6 Sol (Max) when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (High).

Metric	GPT-5.6 Terra (High)	GPT-6 Sol (Max)	Difference
Intelligence (higher is better)	34.2	47.6	+39.2% GPT-6 Sol (Max) is 39.2% more intelligent
Total AA cost (lower is better)	$767.78	$1,535.80	+100.0% GPT-6 Sol (Max) is 2.0× more expensive
End-to-end time (lower is better)	6.43s	112.49s	+1649.5% GPT-6 Sol (Max) is 1649.5% slower
Price per 1M tokens (in / out)	$2.00 / $12.0	$2.00 / $10.0
Input modalities	Text, Image	Text, Image

GPT-6 Sol (Max) vs GPT-5.6 Terra (High): 39.2% more intelligence, 100.0% more cost to run the AA benchmark, and 1649.5% slower end-to-end.

Open this matchup in the interactive picker GPT-5.6 Terra (High): what beats it GPT-6 Sol (Max): what beats it

Today's Pareto frontier

Against the frontier

GPT-5.6 Terra (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-6 Sol (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.

GPT-5.6 Terra (High)GPT-6 Sol (Max)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-5-6-terra-high/gpt-6-sol · Markdown: /api/v1/compare/gpt-5-6-terra-high/gpt-6-sol?format=md · llms.txt · agent skill