Nike Alphafly 3 vs Saucony Endorphin Speed 4
93 facts in comparison
Based on 1,706 Reddit opinions. Close race—Alphafly 3Nike Alphafly 3 edges ahead.
1.7K opinions
Alphafly 3 leads by 3pts
VS
Reddit's Pick
65%
C+
Based on
2,152 Redditors
Winner
Nike Alphafly 3
~$167
748 opinions
tldr; Reddit opinions on the Nike Alphafly 3 are mixed (65% positive across 2,152 mentions). Consider your specific needs and priorities.
Check pricesVS
62%
C
Based on
2,259 Redditors
Saucony Endorphin Speed 4
~$109.93
958 opinions
tldr; Reddit opinions on the Saucony Endorphin Speed 4 are mixed (61% positive across 2,259 mentions). Consider your specific needs and priorities.
Check prices❤️COM
⭐STY
🔧BUI
📐FIT
⭐DUR
48
Points
51
Points
Score by Category
Comfort
54%46%
Style & Aesthetics
46%55%
Build Quality
44%36%
Fit
67%26%
Durability
38%57%
Why is Endorphin Speed 4 better than Nike Alphafly 3?
- Better value (85% vs 39%)
- Better durability (57% vs 38%)
- Better style (55% vs 46%)
Based on 4,411 Reddit opinions
Too Close to Call
Reddit prefers the Alphafly 3Nike Alphafly 3
Winning by 3 points (65% vs 62%)
Better fit
Better comfort
Better quality
High confidence (4,411 mentions)
💬Reddit Sentiment
Based on 4,411 Reddit mentionsOverall Rating
Alphafly 3
6.5/10
2,152 mentions
Speed 4
6.2/10
2,259 mentions
FIT
Alphafly 36.7/10
Speed 42.6/10
COMFORT
Alphafly 35.4/10
Speed 44.6/10
DURABILITY
Alphafly 33.8/10
Speed 45.7/10
VALUE
Alphafly 33.9/10
Speed 48.5/10
BUILD QUALITY
Alphafly 34.4/10
Speed 43.6/10
STYLE
Alphafly 34.6/10
Speed 45.5/10
⚔️
Head to Head
| Topic | Alphafly 3 | Speed 4 |
|---|---|---|
Fit | 67% | 26% |
Comfort | 54% | 46% |
Durability | 38% | 57% |
Value | 39% | 85% |
Build Quality | 44% | 36% |
Style | 46% | 55% |
Category Wins
Alphafly 3: 3|Speed 4: 3
Head to Head
Alphafly 3: 3|Speed 4: 3
FitAlphafly 3
Alphafly 367%
Speed 426%
ComfortAlphafly 3
Alphafly 354%
Speed 446%
DurabilitySpeed 4
Alphafly 338%
Speed 457%
ValueSpeed 4
Alphafly 339%
Speed 485%
Build QualityAlphafly 3
Alphafly 344%
Speed 436%
StyleSpeed 4
Alphafly 346%
Speed 455%
Alphafly 3
65%
62%
Speed 4
Alphafly 365%
Speed 462%
Close race - Alphafly 3 edges ahead by 3 points
Key Specs
| Spec | Nike Alphafly 3 | Saucony Endorphin Speed 4 |
|---|---|---|
| Cushioning | Full-length ZoomX foam, two forefoot Air Zoom units | — |
| Plate | Full-length carbon fiber Flyplate (widened) | — |
| Upper | Atomknit omni-stretch upper | — |
| Drop | 8mm heel-to-toe drop | — |
| Stability | Neutral with subtle support from wide carbon fiber plate | — |
Key Highlights
Nike Alphafly 3Winner
Long-Lasting
Saucony Endorphin Speed 4
Solid community reputation
Frequently recommended
Topic Battles
Alphafly 3: 3|Tied: 0|Speed 4: 2
❤️Comfort
Alphafly 3 winsAlphafly 3
54%
Speed 4
46%
⭐Style & Aesthetics
Speed 4 winsAlphafly 3
46%
Speed 4
55%
🔧Build Quality
Alphafly 3 winsAlphafly 3
44%
Speed 4
36%
📐Fit
Alphafly 3 winsAlphafly 3
67%
Speed 4
26%
⭐Durability
Speed 4 winsAlphafly 3
38%
Speed 4
57%
Based on Reddit sentiment across 5 categories
📈Where They Rank
💬What Redditors Actually Say
What Redditors Say
Best praise vs top criticism for Saucony Endorphin Speed 4
Best Praise
+23 pts“I think so too. Mutant is nice but the rest are bland. I like the speed 4 colors more.”
r/RunningShoeGeeks
ViewTop Criticism
+15 pts“Never seen it that low. I would get it if you want them. I personally returned my Speed 4s because they were too narrow in the toe box”
r/RunningShoeGeeks
View3 more quotes available below
Sentiment Over Time
Nike Alphafly 3
Speed 4
📈Historical Price Data
Nike Alphafly 3
Saucony Endorphin Speed 4
Nike Alphafly 3
All-time low: $154.53(2026-04)
$16 below 90-day avg
Saucony Endorphin Speed 4
All-time low: $80.3(2025-12)
$1 below 90-day avg
Which is Better?
Nike Alphafly 3 Wins
65%
3
vs
62%
4
Close race, but Nike Alphafly 3 edges ahead by 3 points based on 4,411 Reddit opinions.
Why Alphafly 3Winner
- Better Build Quality (44% vs 36%)
Why Speed 4
- Better Value for Money (85% vs 39%)
❤️The Love/Hate Breakdown
Sentiment Breakdown
23%Positive
Positive
23%Neutral
65%Negative
12%Based on 2,152 Reddit opinions
Sentiment Breakdown
26%Positive
Positive
26%Neutral
58%Negative
16%Based on 2,259 Reddit opinions
Frequently Asked Questions
Which is better, Nike Alphafly 3 or Saucony Endorphin Speed 4?
Based on 4,411 Reddit comments, Nike Alphafly 3 has a slight edge with 65% positive sentiment vs Saucony Endorphin Speed 4's 62%. The difference is small, so both are solid choices.
Should I buy Nike Alphafly 3 or Saucony Endorphin Speed 4?
Both have similar approval ratings (65% vs 62%), so focus on specific features, pricing, and what matters most to you.
What do Redditors love about Nike Alphafly 3?
Reddit users highlight: Long-Lasting. With 2,152 mentions and 65% approval, it's a well-regarded choice in the community.
What do Redditors say about Saucony Endorphin Speed 4?
Saucony Endorphin Speed 4 has 2,259 mentions on Reddit with 62% positive sentiment. It's frequently discussed as a solid option.
How many Reddit reviews were analyzed?
This comparison analyzed 4,411 Reddit comments: 2,152 about Nike Alphafly 3 and 2,259 about Saucony Endorphin Speed 4. Data was sourced from Sneakers community discussions.
How accurate are these ratings?
Our sentiment analysis is approximately 80-85% accurate compared to manual review. Well-discussed products with many mentions tend to have more reliable scores than niche items with fewer data points.
Why trust Reddit over professional reviews?
Reddit users bought products with their own money and have no incentive to mislead. You're seeing hundreds of real opinions across different use cases, not just one reviewer's take. This crowdsourced approach surfaces both common praise and recurring complaints.
1,706 Reddit opinions analyzed · Last updated 6/25/2026