Best AI for revision & study / head-to-head
Claude Opus 4.6 vs Kimi K3for revision & study
Kimi K3 wins, 91–88
Same 12 revision & study tasks, marked blind by three rival labs. Kimi K3 took 4 tasks, Claude Opus 4.6 took 2, 6 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.
| Feature | Mitosis | Meiosis | |---|---|---| | **Chromosome number** | Maintained (diploid → diploid) | Halved (diploid → haploid) | | **Number of divisions** | One | Two (meiosis I and meiosis II) | | **Daughter cells produced** | 2 genetically identical cells | 4 genetically unique cells | | **Genetic variation** | None (clones of parent cell) | Yes (crossing over & independent assortment) | | **Where it happens** | Body (somatic) cells throughout the organism | Reproductive organs (ovaries & testes) | | **Purpose** | Growth, repair and asex…
| Feature | Mitosis | Meiosis | |---|---|---| | **Chromosome number** | Stays the same (46 → 46) | Halves (46 → 23) | | **Divisions** | 1 | 2 | | **Daughter cells** | 2 identical cells | 4 different cells | | **Variation** | None – cells are clones | Yes – every cell is unique | | **Where it happens** | All body cells | Ovaries and testes | | **Purpose** | Growth and repair | Making gametes (sex cells) | **Memory hook:** *Mi**t**osis makes **T**wo identical cells; Meiosis **M**ixes genes and **M**akes gametes.*
Task by task
| Task | Claude Opus 4.6 | Kimi K3 |
|---|---|---|
| Condense a topic | 10 | 10 |
| Flashcards that test | 10 | 10 |
| Explain then check | 9 | 8 |
| The exam answer plan | 5 | 9 |
| Mnemonic that works | 8 | 9 |
| Spot the misconception | 10 | 10 |
| Timetable the revision | 5 | 8 |
| Simplify without losing truth | 9 | 10 |
| Quiz from notes | 10 | 10 |
| Compare for the exam | 10 | 5 |
| The night-before triage | 10 | 10 |
| Refuse to do the homework | 10 | 10 |
Full receipts: Claude Opus 4.6, Kimi K3 · judges gemini-3.1-pro-preview, gpt-5.6-terra, grok-4.5
Questions people ask
Which is better for revision & study: Claude Opus 4.6 or Kimi K3?
Kimi K3 — it scored 91/100 against 88/100 on our 12-task revision & study suite, winning 4 tasks to 2 with 6 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: GPT-5.6 Sol vs Kimi K3 · Claude Opus 4.6 vs GPT-5.6 Sol · GPT-5.6 Terra vs Kimi K3 · Claude Opus 4.6 vs GPT-5.6 Terra · GPT-5.5 vs Kimi K3 · Claude Opus 4.6 vs GPT-5.5
Full ranking: Best AI for revision & study · model pages: Claude Opus 4.6, Kimi K3