MODELDRIFT.WATCH

Sep 15 · Day 6

MINOR · GPT · QUESTION 24

GPT changed its list for a request for a ranked top 5 of noise-cancelling headphones.

Why it’s minor

Which products a model recommends is read out of its answer by the least reliable part of our scorer, so compare the two answers before reading much into this.

The full answers

Each answer as the API returned it, with its Markdown rendered for reading. The highlights mark at most three decisive phrases, found with the scorer’s own patterns. Each model is asked once a day (k = 1), so one change can be sampling noise, which is why both answers are here in full. How scoring works.

Asked verbatim · Question 24

Best noise-cancelling headphones for long-haul flights — give me a ranked top 5 with brand and model.

SEP 14beforePermalink

Picks read from the answer, in order
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM6
  3. Bose QuietComfort Headphones
  4. Sennheiser Momentum 4 Wireless
  5. JBL Tour One M3

Top 5 noise-cancelling headphones for long-haul flights

  • 1.Bose QuietComfort Ultra Headphones
    Best overall: class-leading noise cancellation, excellent cabin-pressure comfort, and a lightweight fit. Battery: about 24 hours.
  • 2.Sony WH-1000XM6
    Best combination of ANC, sound quality, and features. Foldable design and roughly 30-hour battery life make them particularly travel-friendly.
  • 3.Bose QuietComfort Headphones
    Best for comfort and value. Nearly as effective on aircraft noise as the Ultra, with simple controls and about 24 hours of battery life.
  • 4.Sennheiser Momentum 4 Wireless
    Best for battery life and sound quality. Delivers up to roughly 60 hours per charge, though its noise cancellation trails Bose and Sony slightly.
  • 5.JBL Tour One M3
    Best high-endurance alternative. Strong ANC, comfortable padding, and very long battery life—especially useful for multi-leg trips.

Best single pick: Bose QuietComfort Ultra for maximum comfort and noise reduction.
Best for very long itineraries: Sennheiser Momentum 4 Wireless.

SEP 15afterPermalink

Picks read from the answer, in order
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM5
  3. Bose QuietComfort Headphones
  4. Sony WH-1000XM4
  5. Sennheiser Momentum 4 Wireless

Top 5 noise-cancelling headphones for long-haul flights

  • 1.Bose QuietComfort Ultra Headphones — Best overall; exceptional cabin-noise cancellation and all-day comfort.
  • 2.Sony WH-1000XM5 — Excellent ANC, strong sound quality, and roughly 30-hour battery life.
  • 3.Bose QuietComfort Headphones — Lightweight, foldable, very comfortable, and often better value than the Ultra.
  • 4.Sony WH-1000XM4 — Travel-friendly folding design, excellent ANC, and long battery life at a lower price.
  • 5.Sennheiser Momentum 4 Wireless — Outstanding sound and up to 60-hour battery life, though ANC is slightly behind Bose and Sony.

Best single pick: Bose QuietComfort Ultra.
Best value: Sony WH-1000XM4.
Best battery life: Sennheiser Momentum 4 Wireless.

Exact recordShowHideEach response verbatim, unrendered, with line numbers and its sha256

Before baseline

2026-09-14 permalink

Scored
answered
Received
2026-09-14 09:19:10 UTC
Run
20260914T090022Z-e98262
Served by
OpenAI · HTTP 200 · finish stop
Size
1,104 characters · 604 tokens out incl. hidden reasoning · 15.9 s
Extracted picks, in order · confidence high
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM6
  3. Bose QuietComfort Headphones
  4. Sennheiser Momentum 4 Wireless
  5. JBL Tour One M3

Highlighted: the names the extractor took as picks, where they appear verbatim (5 of 5).

## Top 5 noise-cancelling headphones for long-haul flights
1. **Bose QuietComfort Ultra Headphones**
Best overall: class-leading noise cancellation, excellent cabin-pressure comfort, and a lightweight fit. Battery: about 24 hours.
2. **Sony WH-1000XM6**
Best combination of ANC, sound quality, and features. Foldable design and roughly 30-hour battery life make them particularly travel-friendly.
3. **Bose QuietComfort Headphones**
Best for comfort and value. Nearly as effective on aircraft noise as the Ultra, with simple controls and about 24 hours of battery life.
4. **Sennheiser Momentum 4 Wireless**
Best for battery life and sound quality. Delivers up to roughly 60 hours per charge, though its noise cancellation trails Bose and Sony slightly.
5. **JBL Tour One M3**
Best high-endurance alternative. Strong ANC, comfortable padding, and very long battery life—especially useful for multi-leg trips.
**Best single pick:** **Bose QuietComfort Ultra** for maximum comfort and noise reduction.
**Best for very long itineraries:** **Sennheiser Momentum 4 Wireless**.

End of response · 19 lines · 1,104 characters · sha256 89dcd85717fc02908161a144d41fa32302506529912e5bdc4a91e943470264d9

After this run

2026-09-15 permalink

Scored
answered
Received
2026-09-15 09:17:37 UTC
Run
20260915T090004Z-599f39
Served by
OpenAI · HTTP 200 · finish stop
Size
784 characters · 524 tokens out incl. hidden reasoning · 7.7 s
Extracted picks, in order · confidence high
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM5
  3. Bose QuietComfort Headphones
  4. Sony WH-1000XM4
  5. Sennheiser Momentum 4 Wireless

Highlighted: the names the extractor took as picks, where they appear verbatim (5 of 5).

## Top 5 noise-cancelling headphones for long-haul flights
1. **Bose QuietComfort Ultra Headphones** — Best overall; exceptional cabin-noise cancellation and all-day comfort.
2. **Sony WH-1000XM5** — Excellent ANC, strong sound quality, and roughly 30-hour battery life.
3. **Bose QuietComfort Headphones** — Lightweight, foldable, very comfortable, and often better value than the Ultra.
4. **Sony WH-1000XM4** — Travel-friendly folding design, excellent ANC, and long battery life at a lower price.
5. **Sennheiser Momentum 4 Wireless** — Outstanding sound and up to 60-hour battery life, though ANC is slightly behind Bose and Sony.
**Best single pick:** Bose QuietComfort Ultra.
**Best value:** Sony WH-1000XM4.
**Best battery life:** Sennheiser Momentum 4 Wireless.

End of response · 11 lines · 784 characters · sha256 ec39138d251fee5808ea235a8090a2f602a46eab6ac916c72e05126962ecc2e3

Record detailsShowHideModel version, runs, baseline, triage, permalink, event ID
Model
openai/gpt-5.6-sol
pinned openai/gpt-5.6-sol-20260709; alias resolved to openai/gpt-5.6-sol-20260709 at 2026-09-15 09:00:03 UTC (matches the pin)
Prompt
Question 24: P3 (recommendation)
Why this question
Asking for a ranked list makes a change in the order easy to see.
Change
2 added, 2 dropped
Baseline
5 prior days with data; 1 matched the baseline value (2026-09-14)
Responses
before 2026-09-14 09:19:10 UTC, run 20260914T090022Z-e98262; after 2026-09-15 09:17:37 UTC, run 20260915T090004Z-599f39
Detected
2026-09-15 · run 20260915T090004Z-599f39, started 2026-09-15 09:00:04 UTC · scorer v1 · severity rules r2
Permalink
https://modeldrift.watch/e/2026-09-15/P3/openai/gpt-5.6-sol/pick_change/picks/
Event ID
2026-09-15:P3:openai/gpt-5.6-sol:pick_change:picks

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