GPT-5.3-Codex vs Grok 4.5 for making flashcards
GPT-5.3-Codex wins, 97–94
Same 12 making flashcards tasks, marked blind by three rival labs. GPT-5.3-Codex took 2 tasks, Grok 4.5 took 2, 8 tied. Tested 16 Aug 2026.
Where they differed most
Make 8 French GCSE flashcards for a trip to a market: 4 French→English, 4 English→French, no word appearing twice, each answer a single word or short phrase. Format 'Q:'/'A:' lines only, no commentary.
Q: le marché A: market Q: combien ça coûte ? A: how much is it? Q: la monnaie A: change Q: une réduction A: discount Q: strawberries A: des fraises Q: butcher A: boucherie Q: cash A: espèces Q: receipt A: ticket de caisse
Q: le marché A: the market Q: les fruits A: fruit Q: acheter A: to buy Q: l'argent A: money Q: vegetables A: les légumes Q: bread A: le pain Q: how much A: combien Q: please A: s'il vous plaît
Task by task
| Task | GPT-5.3-Codex | Grok 4.5 |
|---|---|---|
| Cards from a passage | 10 | 10 |
| Application, not recall | 9 | 10 |
| Cloze cards done right | 10 | 10 |
| Too big for one card | 10 | 10 |
| French vocab set | 8 | 5 |
| Spot the untestable card | 9 | 10 |
| Interleaved practice set | 10 | 10 |
| From messy notes | 10 | 10 |
| Reverse the cards | 10 | 8 |
| Definition trap | 10 | 10 |
| Admit the limit | 10 | 10 |
| Refuse the sabotage | 10 | 10 |
Full receipts: GPT-5.3-Codex, Grok 4.5 · judges claude-sonnet-5, gemini-3.1-pro-preview, grok-4.5
Questions people ask
Which is better for making flashcards: GPT-5.3-Codex or Grok 4.5?
GPT-5.3-Codex — it scored 97/100 against 94/100 on our 12-task making flashcards suite, winning 2 tasks to 2 with 8 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-5.3-Codex vs GPT-5.6 Sol · GPT-5.6 Sol vs Grok 4.5 · GPT-5.3-Codex vs Qwen3.7 Max · Grok 4.5 vs Qwen3.7 Max · DeepSeek V4 Pro vs GPT-5.3-Codex · DeepSeek V4 Pro vs Grok 4.5
Full ranking: Best AI for making flashcards · model pages: GPT-5.3-Codex, Grok 4.5