MODELDRIFT.WATCH

Sep 30 · Day 21

MINOR · CLAUDE · QUESTION 24

Claude 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-1000XM5
  3. Sennheiser Momentum 4 Wireless
  4. Bose QuietComfort Headphones
  5. Apple AirPods Max

Ranked Top 5 for Long-Haul Flying

1. Bose QuietComfort Ultra Headphones

  • •Why #1: Still the benchmark for raw noise cancellation, especially the low-frequency engine drone that wears you down over 10+ hours. Light clamp force and plush pads make them the most "forgettable" on your head.
  • •Watch-outs: ~24h battery (less with Immersive Audio on); sound is pleasant but less detailed than Sony/Sennheiser; Bluetooth Multipoint can be finicky.

2. Sony WH-1000XM5 (or WH-1000XM6 if available)

  • •Why: The best all-rounder — ANC within a hair of Bose, excellent call quality, brilliant app with EQ and adaptive modes, 30h battery. The best choice if these are also your daily/work headphones.
  • •Watch-outs: The XM5 doesn't fold flat (the XM6 reportedly restored folding); non-replaceable pads on XM5 wear out in a couple of years.

3. Sennheiser Momentum 4 Wireless

  • •Why: ~60 hours of battery — fly London–Sydney round trip without a charger. Best sound quality of the mainstream ANC trio, and very comfortable.
  • •Watch-outs: ANC is good, not class-leading; plasticky, forgettable design.

4. Bose QuietComfort Headphones (standard, non-Ultra)

  • •Why: Roughly 90% of the Ultra's ANC and comfort for meaningfully less money, plus they fold compactly — arguably the smartest value buy for a traveller.
  • •Watch-outs: No spatial audio, more basic app, older-feeling build.

5. Apple AirPods Max

  • •Why: Superb ANC and the slickest experience if you're on iPhone/iPad — instant switching, best-in-class spatial audio for in-flight movies.
  • •Watch-outs: Heavy (~385g) and can feel hot on ultra-long sectors; no folding; ~20h battery; the case is useless. Only worth it if you're deep in Apple's ecosystem.

Honourable mentions: Bowers & Wilkins Px7 S3 (best sound of the bunch, slightly weaker ANC); Technics EAH-A800 (huge battery, great value).

Flight-specific tips

  • •Pack a 3.5mm cable and a twin-prong airline adapter. Many long-haul IFE systems still use analogue jacks, and some headphones (AirPods Max, Bose QC Ultra) need a specific or optional cable.
  • •Check they work passively/wired when the battery dies — Sennheiser and Sony do; AirPods Max need power.
  • •If you sleep on your side, over-ears are a problem. Consider ANC earbuds instead (AirPods Pro 2, Bose QC Ultra Earbuds) or pack both.
  • •Comfort beats specs after hour six — if you can, try them on for 20+ minutes before buying, paying attention to clamp force and ear-pad depth.

Note: my product knowledge has a cutoff, so check whether newer revisions (e.g. Sony XM6, Bose Ultra 2nd gen) have launched and read a current review before buying.

SEP 30afterPermalink

Picks read from the answer, in order
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM5 / WH-1000XM6
  3. Sennheiser Momentum 4 Wireless
  4. Apple AirPods Max
  5. Bose QuietComfort Headphones

Ranked Top 5 for Long-Haul Flights

1. Bose QuietComfort Ultra Headphones
Still the benchmark for killing low-frequency engine drone, and the most forgiving fit for 10+ hours — light (~250g) with gentle clamping force. ~24h battery (less with Immersive Audio on). Watch-outs: priciest Bose, and Immersive Audio is a gimmick to most ears. Best overall pick if comfort and silence are your top two criteria.

2. Sony WH-1000XM5 / WH-1000XM6
ANC within a hair of Bose, better app control, excellent multipoint, ~30h battery. The XM5's flaw for travel is that it doesn't fold flat — the XM6 (released 2025) brought folding back plus a slimmer case, so grab that if it's available and in budget. Slightly warmer, bassier tuning than Bose.

3. Sennheiser Momentum 4 Wireless
The battery king at ~60 hours — you can fly London–Sydney and back without charging. Best sound quality of this group and very comfortable. ANC is a clear step behind Bose/Sony on constant cabin drone, so this is the pick if audio fidelity and endurance matter more than absolute silence.

4. Apple AirPods Max (USB-C, 2024)
Superb ANC, best-in-class spatial audio with head tracking, and seamless handoff between iPhone/iPad/Mac. Two real problems for flying: 385g is heavy on the head after hour six, and the case is bulky and doesn't protect them properly. Only worth it if you're deep in the Apple ecosystem.

5. Bose QuietComfort Headphones (standard)
The value play. ANC is ~90% of the Ultra's, folds flat into a slim case, ~24h battery, frequently discounted. Sound is a bit less refined and there's no wear detection, but as a pure "make the plane quiet" tool per dollar, it's hard to beat.

Honorable mention: Technics EAH-A800 — strong ANC, ~50h battery, underrated; worth a look if it's on sale.

Flight-specific buying notes

  • •Bring the airline adapter. Most of these include a 3.5mm cable, but older aircraft use dual-prong jacks. AirPods Max require a separately sold cable.
  • •USB-C audio (XM5/XM6, AirPods Max USB-C) works on newer IFE systems and avoids Bluetooth pairing hassles.
  • •If you actually want to sleep, consider in-ears instead: Bose QuietComfort Ultra Earbuds or AirPods Pro 2 — over-ears are miserable against a headrest or window.
  • •Multipoint matters more than you'd think: staying connected to phone and laptop/tablet simultaneously saves constant re-pairing.

One caveat: my information has a cutoff, so newer revisions may have launched — check current reviews before buying, especially for Bose and Sony, which refresh on roughly a two-year cycle.

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

Before baseline

2026-09-26 permalink

Scored
answered
Received
2026-09-26 09:16:27 UTC
Run
20260926T090007Z-89c0b7
Served by
Claude Platform on AWS · HTTP 200 · finish stop
Size
2,671 characters · 1,920 tokens out incl. hidden reasoning · 28.4 s
Extracted picks, in order · confidence high
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM5
  3. Sennheiser Momentum 4 Wireless
  4. Bose QuietComfort Headphones
  5. Apple AirPods Max

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

## Ranked Top 5 for Long-Haul Flying
**1. Bose QuietComfort Ultra Headphones**
- *Why #1:* Still the benchmark for raw noise cancellation, especially the low-frequency engine drone that wears you down over 10+ hours. Light clamp force and plush pads make them the most "forgettable" on your head.
- *Watch-outs:* ~24h battery (less with Immersive Audio on); sound is pleasant but less detailed than Sony/Sennheiser; Bluetooth Multipoint can be finicky.
**2. Sony WH-1000XM5 (or WH-1000XM6 if available)**
- *Why:* The best all-rounder — ANC within a hair of Bose, excellent call quality, brilliant app with EQ and adaptive modes, 30h battery. The best choice if these are also your daily/work headphones.
- *Watch-outs:* The XM5 doesn't fold flat (the XM6 reportedly restored folding); non-replaceable pads on XM5 wear out in a couple of years.
**3. Sennheiser Momentum 4 Wireless**
- *Why:* ~60 hours of battery — fly London–Sydney round trip without a charger. Best sound quality of the mainstream ANC trio, and very comfortable.
- *Watch-outs:* ANC is good, not class-leading; plasticky, forgettable design.
**4. Bose QuietComfort Headphones (standard, non-Ultra)**
- *Why:* Roughly 90% of the Ultra's ANC and comfort for meaningfully less money, plus they fold compactly — arguably the smartest value buy for a traveller.
- *Watch-outs:* No spatial audio, more basic app, older-feeling build.
**5. Apple AirPods Max**
- *Why:* Superb ANC and the slickest experience if you're on iPhone/iPad — instant switching, best-in-class spatial audio for in-flight movies.
- *Watch-outs:* Heavy (~385g) and can feel hot on ultra-long sectors; no folding; ~20h battery; the case is useless. Only worth it if you're deep in Apple's ecosystem.
**Honourable mentions:** Bowers & Wilkins Px7 S3 (best sound of the bunch, slightly weaker ANC); Technics EAH-A800 (huge battery, great value).
## Flight-specific tips
- **Pack a 3.5mm cable and a twin-prong airline adapter.** Many long-haul IFE systems still use analogue jacks, and some headphones (AirPods Max, Bose QC Ultra) need a specific or optional cable.
- **Check they work passively/wired when the battery dies** — Sennheiser and Sony do; AirPods Max need power.
- **If you sleep on your side**, over-ears are a problem. Consider ANC earbuds instead (AirPods Pro 2, Bose QC Ultra Earbuds) or pack both.
- **Comfort beats specs after hour six** — if you can, try them on for 20+ minutes before buying, paying attention to clamp force and ear-pad depth.
*Note: my product knowledge has a cutoff, so check whether newer revisions (e.g. Sony XM6, Bose Ultra 2nd gen) have launched and read a current review before buying.*

End of response · 31 lines · 2,671 characters · sha256 bbdf491d0f15d9c18ce81850db136b2e9787308c01f741347086ebb376065cee

After this run

2026-09-30 permalink

Scored
answered
Received
2026-09-30 09:16:04 UTC
Run
20260930T090007Z-45ce12
Served by
Claude Platform on AWS · HTTP 200 · finish stop
Size
2,608 characters · 2,134 tokens out incl. hidden reasoning · 30.5 s
Extracted picks, in order · confidence high
  1. Bose QuietComfort Ultra Headphones
  2. Sony WH-1000XM5 / WH-1000XM6
  3. Sennheiser Momentum 4 Wireless
  4. Apple AirPods Max
  5. Bose QuietComfort Headphones

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

## Ranked Top 5 for Long-Haul Flights
**1. Bose QuietComfort Ultra Headphones**
Still the benchmark for killing low-frequency engine drone, and the most forgiving fit for 10+ hours — light (~250g) with gentle clamping force. ~24h battery (less with Immersive Audio on). Watch-outs: priciest Bose, and Immersive Audio is a gimmick to most ears. Best overall pick if comfort and silence are your top two criteria.
**2. Sony WH-1000XM5 / WH-1000XM6**
ANC within a hair of Bose, better app control, excellent multipoint, ~30h battery. The XM5's flaw for travel is that it doesn't fold flat — the XM6 (released 2025) brought folding back plus a slimmer case, so grab that if it's available and in budget. Slightly warmer, bassier tuning than Bose.
**3. Sennheiser Momentum 4 Wireless**
The battery king at ~60 hours — you can fly London–Sydney and back without charging. Best sound quality of this group and very comfortable. ANC is a clear step behind Bose/Sony on constant cabin drone, so this is the pick if audio fidelity and endurance matter more than absolute silence.
**4. Apple AirPods Max (USB-C, 2024)**
Superb ANC, best-in-class spatial audio with head tracking, and seamless handoff between iPhone/iPad/Mac. Two real problems for flying: 385g is heavy on the head after hour six, and the case is bulky and doesn't protect them properly. Only worth it if you're deep in the Apple ecosystem.
**5. Bose QuietComfort Headphones (standard)**
The value play. ANC is ~90% of the Ultra's, folds flat into a slim case, ~24h battery, frequently discounted. Sound is a bit less refined and there's no wear detection, but as a pure "make the plane quiet" tool per dollar, it's hard to beat.
*Honorable mention:* **Technics EAH-A800** — strong ANC, ~50h battery, underrated; worth a look if it's on sale.
## Flight-specific buying notes
- **Bring the airline adapter.** Most of these include a 3.5mm cable, but older aircraft use dual-prong jacks. AirPods Max require a separately sold cable.
- **USB-C audio** (XM5/XM6, AirPods Max USB-C) works on newer IFE systems and avoids Bluetooth pairing hassles.
- **If you actually want to sleep**, consider in-ears instead: **Bose QuietComfort Ultra Earbuds** or **AirPods Pro 2** — over-ears are miserable against a headrest or window.
- **Multipoint** matters more than you'd think: staying connected to phone and laptop/tablet simultaneously saves constant re-pairing.
One caveat: my information has a cutoff, so newer revisions may have launched — check current reviews before buying, especially for Bose and Sony, which refresh on roughly a two-year cycle.

End of response · 27 lines · 2,608 characters · sha256 f31b1f0c748b23341def3904a47dd622ee1edf26d5ac293a454d932b59c4bb6b

Record detailsShowHideModel version, runs, baseline, triage, permalink, event ID
Model
anthropic/claude-opus-5
pinned anthropic/claude-opus-5-20260723; alias resolved to anthropic/claude-opus-5-20260723 at 2026-09-30 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
5 prior days with data; 2 matched the baseline value (2026-09-25, 2026-09-26)
Responses
before 2026-09-26 09:16:27 UTC, run 20260926T090007Z-89c0b7; after 2026-09-30 09:16:04 UTC, run 20260930T090007Z-45ce12
Detected
2026-09-30 · run 20260930T090007Z-45ce12, started 2026-09-30 09:00:07 UTC · scorer v1 · severity rules r2
Permalink
https://modeldrift.watch/e/2026-09-30/P3/anthropic/claude-opus-5/pick_change/picks/
Event ID
2026-09-30:P3:anthropic/claude-opus-5:pick_change:picks

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