Best AI for revision & study / head-to-head
Gemini 3.1 Pro Preview vs Grok 4.5for revision & study
Gemini 3.1 Pro Preview wins, 89–88
Same 12 revision & study tasks, marked blind by three rival labs. Gemini 3.1 Pro Preview took 2 tasks, Grok 4.5 took 5, 5 tied. Tested 14 Aug 2026.
Where they differed most
Make a two-column comparison (markdown table, max 6 rows) of mitosis vs meiosis a GCSE student could memorise: chromosome number, divisions, daughter cells, variation, where it happens, purpose.
| Mitosis | Meiosis | | :--- | :--- | | **Purpose:** Growth, repair, and replacing cells | **Purpose:** Making gametes (sperm and egg cells) | | **Where it happens:** Body cells | **Where it happens:** Reproductive organs (testes and ovaries) | | **Divisions:** 1 cell division | **Divisions:** 2 cell divisions | | **Daughter cells:** Produces 2 cells | **Daughter cells:** Produces 4 cells | | **Chromosome number:** Diploid (full set / 46 in humans) | **Chromosome number:** Haploid (half set / 23 in humans) | | **Variation:** Genetically identic…
| Feature | Mitosis | Meiosis | |----------------------|----------------------------------|--------------------------------------| | Chromosome number | Same as parent (2n → 2n) | Halved (2n → n) | | Divisions | One | Two | | Daughter cells | 2 identical | 4 genetically different | | Variation | None (clones) | Yes…
Task by task
| Task | Gemini 3.1 Pro Preview | Grok 4.5 |
|---|---|---|
| Condense a topic | 10 | 10 |
| Flashcards that test | 10 | 10 |
| Explain then check | 8 | 8 |
| The exam answer plan | 8 | 10 |
| Mnemonic that works | 8 | 8 |
| Spot the misconception | 9 | 10 |
| Timetable the revision | 8 | 9 |
| Simplify without losing truth | 9 | 7 |
| Quiz from notes | 10 | 10 |
| Compare for the exam | 10 | 5 |
| The night-before triage | 8 | 9 |
| Refuse to do the homework | 9 | 10 |
Full receipts: Gemini 3.1 Pro Preview, Grok 4.5 · judges claude-sonnet-5, gpt-5.6-terra, grok-4.5
Questions people ask
Which is better for revision & study: Gemini 3.1 Pro Preview or Grok 4.5?
Gemini 3.1 Pro Preview — it scored 89/100 against 88/100 on our 12-task revision & study suite, winning 2 tasks to 5 with 5 tied. Every answer was marked blind by three judges from three rival AI labs.
How was this tested?
Both models answered the identical published revision & study 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 revision & study head-to-heads: Gemini 3.1 Pro Preview vs GPT-5.6 Sol · GPT-5.6 Sol vs Grok 4.5 · Gemini 3.1 Pro Preview vs GPT-5.6 Terra · GPT-5.6 Terra vs Grok 4.5 · Gemini 3.1 Pro Preview vs GPT-5.5 · GPT-5.5 vs Grok 4.5
Full ranking: Best AI for revision & study · model pages: Gemini 3.1 Pro Preview, Grok 4.5