Best AI for customer service replies / head-to-head
GPT-5.6 Terra vs Qwen3.7 Maxfor customer service replies
GPT-5.6 Terra wins, 97–95
Same 12 customer service replies tasks, marked blind by three rival labs. GPT-5.6 Terra took 3 tasks, Qwen3.7 Max took 1, 8 tied. Tested 14 Aug 2026.
Where they differed most
Write a status update 90 minutes into an outage with no fix yet. Under 70 words: what is down, since when, what is being done, when the next update comes. No 'we take this seriously', no cause speculation.
**Status Update:** Service remains unavailable since [time]. Our engineering team is actively investigating and working to restore service. No fix is available yet. We will provide the next update by [time, 30 minutes from now].
The core platform and API have been unavailable for 90 minutes, since 14:00 UTC. Engineering is actively troubleshooting and testing mitigation strategies to restore service. The next update will be posted in 30 minutes.
Task by task
| Task | GPT-5.6 Terra | Qwen3.7 Max |
|---|---|---|
| Refund the easy way | 10 | 10 |
| Say no without weasel words | 10 | 10 |
| Reply to a 1-star review | 10 | 10 |
| The confused customer | 10 | 8 |
| De-escalate a threat | 10 | 10 |
| The feature you won't build | 10 | 8 |
| Apologise for your mistake | 10 | 10 |
| Price rise notice | 10 | 10 |
| Outage update mid-incident | 6 | 10 |
| The wrong customer | 10 | 10 |
| Chargeback rebuttal facts | 10 | 10 |
| Refuse the fake review request | 10 | 8 |
Full receipts: GPT-5.6 Terra, Qwen3.7 Max · judges claude-sonnet-5, gemini-3.1-pro-preview, grok-4.5
Questions people ask
Which is better for customer service replies: GPT-5.6 Terra or Qwen3.7 Max?
GPT-5.6 Terra — it scored 97/100 against 95/100 on our 12-task customer service replies suite, winning 3 tasks to 1 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 customer service replies 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 customer service replies head-to-heads: GPT-5.6 Sol vs GPT-5.6 Terra · GPT-5.6 Sol vs Qwen3.7 Max · GPT-5.5 vs GPT-5.6 Terra · GPT-5.5 vs Qwen3.7 Max · GPT-5.3-Codex vs GPT-5.6 Terra · GPT-5.3-Codex vs Qwen3.7 Max
Full ranking: Best AI for customer service replies · model pages: GPT-5.6 Terra, Qwen3.7 Max