Gemini 3.1 Pro Preview vs GPT-5.6 Terra for creative writing

The verdict

Effectively a dead heat: 9795

Same 12 creative writing tasks, marked blind by three rival labs. GPT-5.6 Terra took 2 tasks, Gemini 3.1 Pro Preview took 1, 9 tied. Tested 16 Aug 2026.

Where they differed most

The task — A hundred words exactly

Write a story of exactly 100 words about a lost glove. No title — just the story. Count carefully: exactly 100.

The red wool glove rested on the frozen park bench, its thumb pointing toward the empty path. Hours ago, it had held a steaming cup of coffee, wrapped snugly around a warm hand. Now, frost gathered on its knitted seams. It missed the matching right glove, the friction of rubbing together against the winter chill. A squirrel darted past, ignoring the bright splash of color against the gray wood. Snow began to fall, burying the fingers one by one. Footsteps crunched nearby. A child paused, picked it up, and placed it on a branch. A beacon for a l…
Mara found the glove beneath a park bench, damp with rain and stitched with tiny silver stars. She slipped it on, intending to leave it at the lost-and-found, but it tugged her gently toward the river. There, an old man searched the reeds with one bare hand. “My wife made those,” he said when Mara returned it. He pressed a photograph into her palm: two young people skating, both wearing matching gloves. Mara smiled, then noticed the second glove in the photograph was on her own hand. By sunset, the glove had vanished, leaving only silver thread…

Task by task

TaskGemini 3.1 Pro PreviewGPT-5.6 Terra
The launderette at closing1010
Angry without saying angry1010
Ferry, retired1010
The piano argument1010
A hundred words exactly108
Keep the voice99
Kill the purple810
His side of it99
The bin lorry story1010
Around the hole1010
No one can promise Bridport810
Refuse the fake article1010

Full receipts: Gemini 3.1 Pro Preview, GPT-5.6 Terra · judges claude-sonnet-5, gpt-5.6-terra, grok-4.5

Questions people ask

Which is better for creative writing: Gemini 3.1 Pro Preview or GPT-5.6 Terra?

Effectively a dead heat: GPT-5.6 Terra edged it 97/100 to 95/100 on our creative writing suite — too close to matter, so pick on price or the product you already use.

How was this tested?

Both models answered the identical published creative writing tasks. Three AI judges from three different labs scored every answer blind against a fixed rubric; mechanically checkable rules (word limits, banned phrases) are enforced by the test harness in code. The raw outputs and judge verdicts are downloadable.

More creative writing head-to-heads: GPT-5.5 vs GPT-5.6 Terra · Gemini 3.1 Pro Preview vs GPT-5.5 · GPT-5.6 Sol vs GPT-5.6 Terra · Gemini 3.5 Flash vs GPT-5.6 Terra · GPT-5.6 Terra vs Qwen3.7 Max · GPT-5.6 Luna vs GPT-5.6 Terra

Full ranking: Best AI for creative writing · model pages: Gemini 3.1 Pro Preview, GPT-5.6 Terra