GPT-6 Sol (High) vs Mistral Medium 3.5

Which is better for the money: GPT-6 Sol (High) by OpenAI or Mistral Medium 3.5 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Clear winner

OpenAIGPT-6 Sol (High)Off the frontier

Intelligence: 42.40
Total cost: $605

MistralMistral Medium 3.5Off the frontier

Intelligence: 14.20
Total cost: $1264

Verdict

Pick GPT-6 Sol (High)

Mistral Medium 3.5 vs GPT-6 Sol (High): 66.5% less intelligence, 109.1% more cost to run the AA benchmark, and 14.7% slower end-to-end.

Metric	GPT-6 Sol (High)	Mistral Medium 3.5	Difference
Intelligence (higher is better)	42.4	14.2	−66.5% Mistral Medium 3.5 is 66.5% less intelligent
Total AA cost (lower is better)	$604.52	$1,263.80	+109.1% Mistral Medium 3.5 is 2.1× more expensive
End-to-end time (lower is better)	15.56s	17.85s	+14.7% Mistral Medium 3.5 is 14.7% slower
Price per 1M tokens (in / out)	$2.00 / $10.0	$1.50 / $7.50
Input modalities	Text, Image	Text, Image

Open this matchup in the interactive picker GPT-6 Sol (High): what beats it Mistral Medium 3.5: 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.
Mistral Medium 3.5 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.

GPT-6 Sol (High)Mistral Medium 3.5Today's Pareto frontierOpen-weights 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/mistral-medium-3-5 · Markdown: /api/v1/compare/gpt-6-sol-high/mistral-medium-3-5?format=md · llms.txt · agent skill