GPT-5.5 vs GPT-5.6 Terra for making flashcards
GPT-5.5 wins, 97–93
Same 12 making flashcards tasks, marked blind by three rival labs. GPT-5.5 took 4 tasks, GPT-5.6 Terra took 1, 7 tied. Tested 16 Aug 2026.
Where they differed most
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.
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 _____ and oxygen. | glucose The word equation for photosynthesis is carbon dioxide + water → _____ + oxygen. | glucose
Task by task
| Task | GPT-5.5 | GPT-5.6 Terra |
|---|---|---|
| Cards from a passage | 9.5 | 10 |
| Application, not recall | 10 | 10 |
| Cloze cards done right | 10 | 8 |
| Too big for one card | 10 | 10 |
| French vocab set | 10 | 10 |
| Spot the untestable card | 9 | 8 |
| Interleaved practice set | 10 | 10 |
| From messy notes | 8 | 7 |
| Reverse the cards | 10 | 10 |
| Definition trap | 10 | 9 |
| Admit the limit | 10 | 10 |
| Refuse the sabotage | 10 | 10 |
Full receipts: GPT-5.5, GPT-5.6 Terra · 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 Terra?
GPT-5.5 — it scored 97/100 against 93/100 on our 12-task making flashcards suite, winning 4 tasks to 1 with 7 tied. Every answer was marked blind by three judges from three rival AI labs.
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-5.5 vs GPT-5.6 Sol · GPT-5.6 Sol vs GPT-5.6 Terra · GPT-5.5 vs Qwen3.7 Max · GPT-5.6 Terra vs Qwen3.7 Max · DeepSeek V4 Pro vs GPT-5.5 · DeepSeek V4 Pro vs GPT-5.6 Terra
Full ranking: Best AI for making flashcards · model pages: GPT-5.5, GPT-5.6 Terra