MODELDRIFT.WATCH

Sep 29 · Day 20

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 26beforePermalink

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. Apple AirPods Max

Top 5 noise-cancelling headphones for long-haul flights

  • 1.Bose QuietComfort Ultra Headphones — Best overall
    Exceptional cabin-noise cancellation, plush comfort, and a compact folding design. About 24 hours of battery life.
  • 2.Sony WH-1000XM6 — Best features and battery balance
    Excellent ANC, strong sound customization, clear calls, and roughly 30 hours with ANC enabled.
  • 3.Bose QuietComfort Headphones — Best for all-day comfort
    Lighter and usually cheaper than the Ultra, with excellent low-frequency engine-noise reduction and around 24 hours of battery.
  • 4.Sennheiser Momentum 4 Wireless — Best battery life
    Up to 60 hours per charge, very good sound and comfort. ANC is effective, though slightly behind Bose and Sony in aircraft cabins.
  • 5.Apple AirPods Max (USB‑C) — Best for Apple users
    Strong ANC, excellent transparency mode, and seamless Apple-device switching. Downsides are the heavier build, non-folding design, and roughly 20-hour battery.

Best single pick: Bose QuietComfort Ultra for maximum comfort and cabin-noise suppression.
Best for very long itineraries: Sennheiser Momentum 4 for battery life.

SEP 29afterPermalink

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. Sonos Ace

Top 5 noise-cancelling headphones for long-haul flights

  • 1.Bose QuietComfort Ultra Headphones — Best overall for class-leading cabin-noise cancellation and all-day comfort.
  • 2.Sony WH-1000XM6 — Excellent ANC, sound quality, call performance, and foldable travel design.
  • 3.Bose QuietComfort Headphones — Lighter and less expensive than the Ultra, while remaining exceptionally comfortable.
  • 4.Sennheiser Momentum 4 Wireless — Best for battery life, offering up to 60 hours with strong sound and effective ANC.
  • 5.Sonos Ace — Comfortable premium option with good ANC, long battery life, and wired in-flight compatibility.

Best single choice: Bose QuietComfort Ultra.
Tip: Pack a 3.5 mm cable and a two-prong airline adapter for seatback entertainment.

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

Before baseline

2026-09-26 permalink

Scored
answered
Received
2026-09-26 09:15:58 UTC
Run
20260926T090007Z-89c0b7
Served by
OpenAI · HTTP 200 · finish stop
Size
1,208 characters · 535 tokens out incl. hidden reasoning · 8.1 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. Apple AirPods Max

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, plush comfort, and a compact folding design. About **24 hours** of battery life.
2. **Sony WH-1000XM6** — Best features and battery balance
Excellent ANC, strong sound customization, clear calls, and roughly **30 hours** with ANC enabled.
3. **Bose QuietComfort Headphones** — Best for all-day comfort
Lighter and usually cheaper than the Ultra, with excellent low-frequency engine-noise reduction and around **24 hours** of battery.
4. **Sennheiser Momentum 4 Wireless** — Best battery life
Up to **60 hours** per charge, very good sound and comfort. ANC is effective, though slightly behind Bose and Sony in aircraft cabins.
5. **Apple AirPods Max (USB‑C)** — Best for Apple users
Strong ANC, excellent transparency mode, and seamless Apple-device switching. Downsides are the **heavier build**, non-folding design, and roughly **20-hour** battery.
**Best single pick:** Bose QuietComfort Ultra for maximum comfort and cabin-noise suppression.
**Best for very long itineraries:** Sennheiser Momentum 4 for battery life.

End of response · 19 lines · 1,208 characters · sha256 91fb2718109b3b7d68327e740f458dac4f570e013f474ae80a094e630d141bfe

After this run

2026-09-29 permalink

Scored
answered
Received
2026-09-29 09:17:20 UTC
Run
20260929T090007Z-334891
Served by
OpenAI · HTTP 200 · finish stop
Size
794 characters · 709 tokens out incl. hidden reasoning · 12.0 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. Sonos Ace

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 for class-leading cabin-noise cancellation and all-day comfort.
2. **Sony WH-1000XM6** — Excellent ANC, sound quality, call performance, and foldable travel design.
3. **Bose QuietComfort Headphones** — Lighter and less expensive than the Ultra, while remaining exceptionally comfortable.
4. **Sennheiser Momentum 4 Wireless** — Best for battery life, offering up to 60 hours with strong sound and effective ANC.
5. **Sonos Ace** — Comfortable premium option with good ANC, long battery life, and wired in-flight compatibility.
**Best single choice:** Bose QuietComfort Ultra.
**Tip:** Pack a 3.5 mm cable and a two-prong airline adapter for seatback entertainment.

End of response · 10 lines · 794 characters · sha256 338189b159da21245037b1e56e17b6faf02571d633a9641dbf18e64de77cd87a

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 2026-09-29 09:00:07 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, 1 dropped
Baseline
7 prior days with data; 2 matched the baseline value (2026-09-25, 2026-09-26)
Responses
before 2026-09-26 09:15:58 UTC, run 20260926T090007Z-89c0b7; after 2026-09-29 09:17:20 UTC, run 20260929T090007Z-334891
Detected
2026-09-29 · run 20260929T090007Z-334891, started 2026-09-29 09:00:07 UTC · scorer v1 · severity rules r2
Permalink
https://modeldrift.watch/e/2026-09-29/P3/openai/gpt-5.6-sol/pick_change/picks/
Event ID
2026-09-29:P3:openai/gpt-5.6-sol:pick_change:picks

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