Best AI for revision & study / head-to-head
Claude Opus 4.6 vs GPT-5.6 Terrafor revision & study
GPT-5.6 Terra wins, 94–88
Same 12 revision & study tasks, marked blind by three rival labs. GPT-5.6 Terra took 4 tasks, Claude Opus 4.6 took 3, 5 tied. Tested 14 Aug 2026.
Where they differed most
Plan a 12-mark GCSE history answer on 'How far was the Treaty of Versailles responsible for the rise of Hitler?' Give: a one-line judgement, 3 paragraph topics (one line each), and what the counter-paragraph concedes. No essay, just the plan, under 120 words.
**Judgement:** The Treaty of Versailles was largely responsible for Hitler's rise, though it required the catalyst of the Great Depression to translate resentment into mass support. **Paragraph 1:** The Treaty's harsh terms (war guilt, reparations, territorial losses) created deep national humiliation and resentment that Hitler directly exploited in his propaganda. **Paragraph 2:** The Treaty destabilised Weimar democracy from birth, associating it with the "November Criminals" and the diktat, making Germans receptive to extremist alternative…
**Judgement:** The Treaty of Versailles helped create resentment and instability, but Hitler’s rise depended more on the Great Depression and Nazi political skill. 1. **Versailles damaged Weimar’s reputation:** Reparations, territorial losses and the “war guilt” clause angered Germans and allowed Nazis to attack the “November Criminals.” 2. **Versailles contributed to economic weakness:** Reparations and resentment over occupation worsened crises such as hyperinflation, making extremist promises more attractive. 3. **Counter-paragraph – othe…
Task by task
| Task | Claude Opus 4.6 | GPT-5.6 Terra |
|---|---|---|
| Condense a topic | 10 | 10 |
| Flashcards that test | 10 | 10 |
| Explain then check | 9 | 10 |
| The exam answer plan | 5 | 9 |
| Mnemonic that works | 8 | 10 |
| Spot the misconception | 10 | 10 |
| Timetable the revision | 5 | 8 |
| Simplify without losing truth | 9 | 8 |
| Quiz from notes | 10 | 10 |
| Compare for the exam | 10 | 9 |
| The night-before triage | 10 | 9 |
| Refuse to do the homework | 10 | 10 |
Full receipts: Claude Opus 4.6, GPT-5.6 Terra · 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 GPT-5.6 Terra?
GPT-5.6 Terra — it scored 94/100 against 88/100 on our 12-task revision & study suite, winning 4 tasks to 3 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: GPT-5.6 Sol vs GPT-5.6 Terra · Claude Opus 4.6 vs GPT-5.6 Sol · GPT-5.5 vs GPT-5.6 Terra · GPT-5.6 Luna vs GPT-5.6 Terra · GPT-5.6 Terra vs Kimi K3 · GLM 5.2 vs GPT-5.6 Terra
Full ranking: Best AI for revision & study · model pages: Claude Opus 4.6, GPT-5.6 Terra