GPT-5.6 Sol (Low) vs Mistral Medium 3.5

Which is better for the money: GPT-5.6 Sol (Low) 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-5.6 Sol (Low)Off the frontier

Intelligence: 33.50
Total cost: $637

MistralMistral Medium 3.5Off the frontier

Intelligence: 14.20
Total cost: $1264

Verdict

Pick GPT-5.6 Sol (Low)

Mistral Medium 3.5 vs GPT-5.6 Sol (Low): 57.6% less intelligence, 98.3% more cost to run the AA benchmark, and 116.1% slower end-to-end.

Metric	GPT-5.6 Sol (Low)	Mistral Medium 3.5	Difference
Intelligence (higher is better)	33.5	14.2	−57.6% Mistral Medium 3.5 is 57.6% less intelligent
Total AA cost (lower is better)	$637.28	$1,263.80	+98.3% Mistral Medium 3.5 is 98.3% more expensive
End-to-end time (lower is better)	8.26s	17.85s	+116.1% Mistral Medium 3.5 is 116.1% slower
Price per 1M tokens (in / out)	$4.00 / $20.0	$1.50 / $7.50
Input modalities	Text, Image	Text, Image

Open this matchup in the interactive picker GPT-5.6 Sol (Low): what beats it Mistral Medium 3.5: what beats it

Today's Pareto frontier

Against the frontier

GPT-5.6 Sol (Low) 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-5.6 Sol (Low)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-5-6-sol-low/mistral-medium-3-5 · Markdown: /api/v1/compare/gpt-5-6-sol-low/mistral-medium-3-5?format=md · llms.txt · agent skill