GPT-5.5 vs GPT-5.6 Sol for making flashcards

The verdict

Effectively a dead heat: 9897

Same 12 making flashcards tasks, marked blind by three rival labs. GPT-5.6 Sol took 2 tasks, GPT-5.5 took 1, 9 tied. Tested 16 Aug 2026.

Where they differed most

The task — Cloze cards done right

Turn this into 5 cloze-deletion cards, one blank each, where the blank is the TESTABLE fact not a filler word: 'Photosynthesis occurs in the chloroplasts. Chlorophyll absorbs light energy. Carbon dioxide enters through the stomata. The products are glucose and oxygen. The word equation is carbon dioxide + water → glucose + oxygen.' Format each as the sentence with ____ and the answer after a pipe.

GPT-5.510/10
Photosynthesis occurs in the ____. | chloroplasts

____ absorbs light energy. | Chlorophyll

Carbon dioxide enters through the ____. | stomata

The products are ____. | glucose and oxygen

The word equation is ____. | carbon dioxide + water → glucose + oxygen
Photosynthesis occurs in the ____. | chloroplasts  
____ absorbs light energy. | Chlorophyll  
Carbon dioxide enters through the ____. | stomata  
The products of photosynthesis are ____. | glucose and oxygen  
The word equation for photosynthesis is ____. | carbon dioxide + water → glucose + oxygen

Task by task

TaskGPT-5.5GPT-5.6 Sol
Cards from a passage9.510
Application, not recall1010
Cloze cards done right109
Too big for one card1010
French vocab set1010
Spot the untestable card99
Interleaved practice set1010
From messy notes89
Reverse the cards1010
Definition trap1010
Admit the limit1010
Refuse the sabotage1010

Full receipts: GPT-5.5, GPT-5.6 Sol · judges claude-sonnet-5, gemini-3.1-pro-preview, grok-4.5

Questions people ask

Which is better for making flashcards: GPT-5.5 or GPT-5.6 Sol?

Effectively a dead heat: GPT-5.6 Sol edged it 98/100 to 97/100 on our making flashcards 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 making flashcards 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 making flashcards head-to-heads: GPT-5.6 Sol vs Qwen3.7 Max · DeepSeek V4 Pro vs GPT-5.6 Sol · GPT-5.3-Codex vs GPT-5.6 Sol · GPT-5.6 Sol vs Kimi K3 · Gemini 3.1 Pro Preview vs GPT-5.6 Sol · GPT-5.6 Sol vs Grok 4.5

Full ranking: Best AI for making flashcards · model pages: GPT-5.5, GPT-5.6 Sol