MODELDRIFT.WATCH

Oct 2 · Day 23

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.

OCT 2afterPermalink

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
  5. Apple AirPods Max

Top 5 for Long-Haul Flights

1. Bose QuietComfort Ultra Headphones
Still the benchmark for cabin noise. Bose's ANC is the most effective at killing the low-frequency engine drone that causes fatigue on 10+ hour flights, and the clamp force is light enough to wear all day over glasses. ~24h battery, folds flat, includes a 2.5mm-to-3.5mm cable for seatback IFE.
Downside: "Immersive Audio" spatial mode eats battery and is a gimmick for most people.

2. Sony WH-1000XM6
Effectively tied with Bose on noise reduction, better sound quality out of the box, ~30h battery, and Sony restored the folding hinge that the XM5 dropped — a real win for seat pockets. Best app for EQ and ANC tuning.
Downside: Pleather earpads get warm on long flights. The older WH-1000XM5 is a smart buy if it's discounted — about 90% of the performance.

3. Sennheiser Momentum 4 Wireless
The battery champion at ~60 hours, which means one charge covers a round-trip to Asia plus layovers. Excellent sound, very comfortable.
Downside: ANC is a clear step behind Bose and Sony on engine noise specifically.

4. Bose QuietComfort Headphones (non-Ultra)
The value play. Roughly 90% of the Ultra's noise cancelling, lighter, folds smaller, often $150+ cheaper. If you only care about silence and comfort, this is arguably the smarter purchase.
Downside: Mediocre sound quality, plasticky build.

5. Apple AirPods Max (USB-C)
Only worth it if you're deep in the Apple ecosystem — seamless device switching, best-in-class transparency mode, and lossless audio over USB-C from a MacBook or iPad.
Downside: 385g is heavy on the neck for a long flight, and there's no folding case.

Honorable mentions: Technics EAH-A800 (50h battery, strong ANC, underrated) and AirPods Pro 3 if you want something pocketable rather than over-ear.

Flight-specific tips

  • •Pack a 3.5mm cable. Most airline IFE still needs wired, and it lets you keep listening with a dead battery. Dual-prong adapters are rarely needed anymore.
  • •Avoid Bluetooth transmitters unless the plane lacks BT — the AirFly-type dongles add latency and another thing to charge.
  • •Sealing matters more than the ANC rating. If you wear glasses, try before you buy; a broken seal destroys low-frequency cancellation.

One caveat: this category refreshes constantly and my information has a cutoff, so check current prices and a recent review roundup before buying — especially for the Sony XM6, where availability and discounting may have shifted.

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

2026-10-02 permalink

Scored
answered
Received
2026-10-02 09:17:01 UTC
Run
20261002T090008Z-e178a0
Served by
Claude Platform on AWS · HTTP 200 · finish stop
Size
2,523 characters · 2,055 tokens out incl. hidden reasoning · 29.7 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
  5. Apple AirPods Max

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

## Top 5 for Long-Haul Flights
**1. Bose QuietComfort Ultra Headphones**
Still the benchmark for cabin noise. Bose's ANC is the most effective at killing the low-frequency engine drone that causes fatigue on 10+ hour flights, and the clamp force is light enough to wear all day over glasses. ~24h battery, folds flat, includes a 2.5mm-to-3.5mm cable for seatback IFE.
*Downside:* "Immersive Audio" spatial mode eats battery and is a gimmick for most people.
**2. Sony WH-1000XM6**
Effectively tied with Bose on noise reduction, better sound quality out of the box, ~30h battery, and Sony restored the folding hinge that the XM5 dropped — a real win for seat pockets. Best app for EQ and ANC tuning.
*Downside:* Pleather earpads get warm on long flights. The older **WH-1000XM5** is a smart buy if it's discounted — about 90% of the performance.
**3. Sennheiser Momentum 4 Wireless**
The battery champion at ~60 hours, which means one charge covers a round-trip to Asia plus layovers. Excellent sound, very comfortable.
*Downside:* ANC is a clear step behind Bose and Sony on engine noise specifically.
**4. Bose QuietComfort Headphones (non-Ultra)**
The value play. Roughly 90% of the Ultra's noise cancelling, lighter, folds smaller, often $150+ cheaper. If you only care about silence and comfort, this is arguably the smarter purchase.
*Downside:* Mediocre sound quality, plasticky build.
**5. Apple AirPods Max (USB-C)**
Only worth it if you're deep in the Apple ecosystem — seamless device switching, best-in-class transparency mode, and lossless audio over USB-C from a MacBook or iPad.
*Downside:* 385g is heavy on the neck for a long flight, and there's no folding case.
**Honorable mentions:** Technics EAH-A800 (50h battery, strong ANC, underrated) and AirPods Pro 3 if you want something pocketable rather than over-ear.
## Flight-specific tips
- **Pack a 3.5mm cable.** Most airline IFE still needs wired, and it lets you keep listening with a dead battery. Dual-prong adapters are rarely needed anymore.
- **Avoid Bluetooth transmitters** unless the plane lacks BT — the AirFly-type dongles add latency and another thing to charge.
- **Sealing matters more than the ANC rating.** If you wear glasses, try before you buy; a broken seal destroys low-frequency cancellation.
One caveat: this category refreshes constantly and my information has a cutoff, so check current prices and a recent review roundup before buying — especially for the Sony XM6, where availability and discounting may have shifted.

End of response · 31 lines · 2,523 characters · sha256 388bc18978412a5ab39950dcd1df3d11c442e1e6485bcf0f93d9cb6cace10794

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 2026-10-02 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 09:16:27 UTC, run 20260926T090007Z-89c0b7; after 2026-10-02 09:17:01 UTC, run 20261002T090008Z-e178a0
Detected
2026-10-02 · run 20261002T090008Z-e178a0, started 2026-10-02 09:00:08 UTC · scorer v1 · severity rules r2
Permalink
https://modeldrift.watch/e/2026-10-02/P3/anthropic/claude-opus-5/pick_change/picks/
Event ID
2026-10-02:P3:anthropic/claude-opus-5:pick_change:picks

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