GPT-5.6 Terra (Low) vs Mistral Medium 3.5

Which is better for the money: GPT-5.6 Terra (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 2026-10-26.

Clear winner

OpenAIGPT-5.6 Terra (Low)Off the frontier

Intelligence: 27.50
Total cost: $350

MistralMistral Medium 3.5Off the frontier

Intelligence: 14.20
Total cost: $1264

Verdict

Pick GPT-5.6 Terra (Low)

Mistral Medium 3.5 vs GPT-5.6 Terra (Low): 48.4% less intelligence, 260.7% more cost to run the AA benchmark, and 198.0% slower end-to-end.

Metric	GPT-5.6 Terra (Low)	Mistral Medium 3.5	Difference
Intelligence (higher is better)	27.5	14.2	−48.4% Mistral Medium 3.5 is 48.4% less intelligent
Total AA cost (lower is better)	$350.36	$1,263.80	+260.7% Mistral Medium 3.5 is 3.6× more expensive
End-to-end time (lower is better)	5.92s	17.64s	+198.0% Mistral Medium 3.5 is 198.0% slower
Price per 1M tokens (in / out)	$2.00 / $12.0	$1.50 / $7.50
Input modalities	Text, Image	Text, Image

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

Today's Pareto frontier

Against the frontier

GPT-5.6 Terra (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
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 Terra (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-terra-low/mistral-medium-3-5 · Markdown: /api/v1/compare/gpt-5-6-terra-low/mistral-medium-3-5?format=md · llms.txt · agent skill