Snapshot / 2026
It's been 1 day since the last model dropped — Step 5 Preview · StepFun
models tracked
2026 so far
Current-year run rate
Jan–Sep: 480 releases vs 361 in the same window in 2025 (+33% vs that window). At this month-by-month pace, full-year projection is ~ 662 vs 497 for all of 2025 (+33.2% vs full prior year).
Latest Releases
Most recent model releases in the dataset
Top Labs
Releases per lab and mean days between consecutive releases
Modality Breakdown
Models per modality; % is share of all releases
Yearly Release Rankings
Every year ranked by how many models it shipped
AI2
went silent: Feb 15, 2018
came back: Jun 7, 2023
ELMo → Tülu 1
20 releases since return
Dormant Labs
Labs with 2+ releases but silent for 12+ months
+ 10 more dormant labs
Calendar curiosities
Palindrome date
0
no palindrome YYYYMMDD dates in the dataset — hover for detail
Pi day pile
4
releases on Mar 14
Leap day
1
releases on Feb 29 — rare; hover for detail
Repeating digit day
42
releases when month equals day (1/1 … 12/12) — click to show releases
Tens pile
11.2% on 10/20/30 · 88.8% on other dated days — click to show labs on 10/20/30 grouped by count
Prime day
509
releases on prime-number calendar days (2–31) — click to show labs grouped by count
April Fools'
3
releases on Apr 1 — click to show labs grouped by count
Open vs Closed
Percent of all tracked model releases (1473 total).
2.2 → 22.8 avg/yr·2017–2021 vs 2022–2026
Xiaomi
12 releases in last 12 mo·avg 1.1/yr before
2025
models in a single year — the all-time dataset record
74
releases that month
Apr 2026
24
releases that week
May 31, 2026 — Jun 6, 2026
13.2
mean releases per calendar month
across full dataset span
1110
releases on days with 2+ models
busiest single day: 9 models · Apr 14, 2026
1
fewest releases among months with activity
Apr 2021
20.2%
of all releases from 3 labs
Google, Alibaba, OpenAI
736 → 1473 models · Jul 10, 2025 → Sep 20, 2026
Days Since Release
Google, OpenAI, Anthropic, DeepSeek, Alibaba — days since each lab’s latest tracked release
Shipping Days
Which weekday top labs tend to ship on
Longest Streak
Longest span from first to latest release for one lab
first → latest release
Jun 12, 2017 — Sep 15, 2026
Longest Drought*
Largest gap between two consecutive releases (any lab), globally
Dec 20, 2022 → Jan 23, 2023
Midjourney Niji 4 → Eleven Monolingual v1
* counted from Nov 30, 2022 (GPT-3.5 release) — the point when modern AI race began
Solo vs Shared Days
Calendar days: one release vs multiple models released
TypeSafe AI
first tracked release
Sep 15, 2026
Alibaba
91 models · most even modality mix
49 distinct months with a release
Alibaba
62 open-source releases
94 closed-source releases
Q2
435 releases (all years)
avg 368.3/quarter
Summer
441 releases · 29.9%
Jun–Aug
Tuesday
260 releases · 24.5%
last 24 months