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Sep 14 · Day 5

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 13beforePermalink

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

Top 5 noise-cancelling headphones for long-haul flights

  • 1.Bose QuietComfort Ultra Headphones
    Best overall for flying: class-leading cabin-noise cancellation, excellent comfort, and effective transparency mode. Battery lasts about 24 hours with ANC.
  • 2.Sony WH-1000XM6
    Outstanding ANC, strong sound quality, foldable design, and roughly 30-hour battery life. The best all-round alternative to Bose.
  • 3.Sennheiser Momentum 4 Wireless
    Best for very long itineraries, with up to 60 hours of battery life. Comfortable with excellent sound, though ANC is slightly behind Bose and Sony.
  • 4.Bose QuietComfort Headphones
    Lightweight and exceptionally comfortable, with strong ANC and physical controls. A better-value choice than the Ultra model.
  • 5.Soundcore Space One Pro
    Best value: effective ANC, foldable construction, and up to around 40 hours with noise cancellation enabled. Not as refined or comfortable as the premium options.

Quick pick: Choose the Bose QuietComfort Ultra for maximum quiet and comfort, or the Sony WH-1000XM6 for the best balance of ANC, battery life, features, and portability.

SEP 14afterPermalink

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.

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

Before baseline

2026-09-13 permalink

Scored
answered
Received
2026-09-13 09:12:04 UTC
Run
20260913T090021Z-a7390a
Served by
OpenAI · HTTP 200 · finish stop
Size
1,166 characters · 714 tokens out incl. hidden reasoning · 14.7 s
Extracted picks, in order · confidence high
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM6
  3. Sennheiser Momentum 4 Wireless
  4. Bose QuietComfort Headphones

Highlighted: the names the extractor took as picks, where they appear verbatim (4 of 4).

### Top 5 noise-cancelling headphones for long-haul flights
1. **Bose QuietComfort Ultra Headphones**
Best overall for flying: class-leading cabin-noise cancellation, excellent comfort, and effective transparency mode. Battery lasts about 24 hours with ANC.
2. **Sony WH-1000XM6**
Outstanding ANC, strong sound quality, foldable design, and roughly 30-hour battery life. The best all-round alternative to Bose.
3. **Sennheiser Momentum 4 Wireless**
Best for very long itineraries, with up to 60 hours of battery life. Comfortable with excellent sound, though ANC is slightly behind Bose and Sony.
4. **Bose QuietComfort Headphones**
Lightweight and exceptionally comfortable, with strong ANC and physical controls. A better-value choice than the Ultra model.
5. **Soundcore Space One Pro**
Best value: effective ANC, foldable construction, and up to around 40 hours with noise cancellation enabled. Not as refined or comfortable as the premium options.
**Quick pick:** Choose the **Bose QuietComfort Ultra** for maximum quiet and comfort, or the **Sony WH-1000XM6** for the best balance of ANC, battery life, features, and portability.

End of response · 18 lines · 1,166 characters · sha256 6fc55077a9b8162311b4de5e0b336be72c286f0eae9a800033d6531a51cc55d2

After this run

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

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 2026-09-14 09:00:21 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
1 added, 0 dropped
Baseline
4 prior days with data; 1 matched the baseline value (2026-09-13)
Responses
before 2026-09-13 09:12:04 UTC, run 20260913T090021Z-a7390a; after 2026-09-14 09:19:10 UTC, run 20260914T090022Z-e98262
Detected
2026-09-14 · run 20260914T090022Z-e98262, started 2026-09-14 09:00:22 UTC · scorer v1 · severity rules r2
Permalink
https://modeldrift.watch/e/2026-09-14/P3/openai/gpt-5.6-sol/pick_change/picks/
Event ID
2026-09-14:P3:openai/gpt-5.6-sol:pick_change:picks

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