Runway Gen-4.5 ranks #10 of 16 in our ai video models testing. the toolchain is the product now.
70/100
the base model no longer competes, but aleph video-to-video and act-two performance capture still have no real equivalent — you're buying the workflow, not the weights.
why people look for an alternative
−native generation is only 720p
−absent from both leaderboards' top ten
−gen-3 alpha turbo and gen-4 aleph sunset 30 july 2026
stay with Runway Gen-4.5 if aleph video-to-video has no real equivalent elsewhere is the thing you care about most — nothing below beats it on that.
#1 in ai video models · first on every leaderboard, and one of the cheapest
94/100
verdictthe rare model that wins on quality and price at the same time — first on all four artificial analysis boards and first on lmarena, at a quarter of what google charges for veo 3.1.
Gemini Omni Flash vs Runway Gen-4.5
Runway Gen-4.5
Gemini Omni Flash
price
$0.12 / second (12 credits at $0.01)
$0.10 / second of 720p, direct from google
free tier
yes
yes
access
closed api + web app
closed api (gemini, vertex) + apps
native audio
yes — on gen-4.5
yes — single pass
max duration
not published
10 seconds
max resolution
720p native, 4K upscale
720p
license
commercial on paid plans
commercial via api terms
switch foralmost everything, until you hit the ten-second or 720p ceiling
pros
+#1 on all four artificial analysis boards and on lmarena
+$0.10/second undercuts almost everything above 720p
+native synchronised audio in a single pass
+available through google ai studio, gemini api, flow, fal and runway
#2 in ai video models · the best cinematic control, wrapped in a copyright fight
90/100
verdictsecond on both leaderboards and the best model here for actual filmmaking — but it is three times the price of the leader and carries genuine legal baggage.
Seedance 2.0 vs Runway Gen-4.5
Runway Gen-4.5
Seedance 2.0
price
$0.12 / second (12 credits at $0.01)
$0.30 / second at 720p with audio
free tier
yes
no
access
closed api + web app
closed api (volcano, byteplus, fal)
native audio
yes — on gen-4.5
yes — included in the price
max duration
not published
15 seconds
max resolution
720p native, 4K upscale
1080p
license
commercial on paid plans
commercial via api terms
switch formulti-shot narrative work where director-level camera control matters
pros
+#2 on both artificial analysis and lmarena
+best multi-shot and camera control in the category
+fifteen seconds at up to 1080p, with native audio
+reference-to-video accepts nine images, at a 0.6× discount
cons
−3× the price of the leader; $0.68/second at 1080p
−disabling audio saves you nothing — same price either way
#3 in ai video models · near-frontier quality at a third of the price
87/100
verdictthird on the with-audio leaderboard at a third of seedance's price, with four generation modes including instruction-based editing — the best value in video, full stop.
Wan 2.7 vs Runway Gen-4.5
Runway Gen-4.5
Wan 2.7
price
$0.12 / second (12 credits at $0.01)
$0.10 / second, all resolutions
free tier
yes
no
access
closed api + web app
closed api (fal, alibaba cloud)
native audio
yes — on gen-4.5
yes — preserve or regenerate
max duration
not published
15 seconds
max resolution
720p native, 4K upscale
1080p
license
commercial on paid plans
commercial via api terms
switch forhigh-volume production where cost per finished second is the constraint
pros
+#3 on artificial analysis text-to-video with audio
+flat $0.10/second regardless of resolution
+four modes including instruction-based video editing
+first-and-last-frame control and character reference
cons
−not open weights despite widespread claims — 2.2 is the open line
−documentation is thin compared to western vendors
#4 in ai video models · the most underrated model in the category
85/100
verdictfourth on the with-audio leaderboard at eighteen cents a second for 1080p, with multilingual lip sync — it beats models costing more than twice as much and almost nobody has heard of it.
Happy Horse 1.1 vs Runway Gen-4.5
Runway Gen-4.5
Happy Horse 1.1
price
$0.12 / second (12 credits at $0.01)
$0.14 / second at 720p, $0.18 at 1080p
free tier
yes
no
access
closed api + web app
closed api (fal, alibaba cloud)
native audio
yes — on gen-4.5
yes — with multilingual lip sync
max duration
not published
15 seconds
max resolution
720p native, 4K upscale
1080p
license
commercial on paid plans
commercial via api terms
switch formultilingual dialogue video where lip sync has to actually land
pros
+#4 on artificial analysis text-to-video with audio
+multilingual lip sync that actually tracks speech
#5 in ai video models · the only native 4K video, and the deepest shot-level control
82/100
verdictthe best control surface in video and the only genuinely native 4K — priced well above its leaderboard position, which is the trade you're making.
Kling 3.0 vs Runway Gen-4.5
Runway Gen-4.5
Kling 3.0
price
$0.12 / second (12 credits at $0.01)
$0.084 / second standard with audio off; $0.42 for native 4K
free tier
yes
yes
access
closed api + web app
closed api (kling, fal) + web app
native audio
yes — on gen-4.5
yes — five languages
max duration
not published
15 seconds
max resolution
720p native, 4K upscale
4K native
license
commercial on paid plans
commercial via api terms
switch forstoryboarded sequences where each shot needs its own duration, framing and camera move
pros
+only true native 4K video generation here
+per-shot control over duration, framing and camera movement
+five-language native audio with regional accents
+element consistency across a storyboarded sequence
cons
−ranks below cheaper models on quality leaderboards
−4K audio drops to chinese and english only
−the '60fps' claim is unverified — don't plan around it
#6 in ai video models · best audio engineering, overtaken by its own stablemate
80/100
verdictstill the best-sounding model here and the only route to two and a half minutes of continuous output — but google's own omni flash beats it on quality at a quarter of the price.
Veo 3.1 vs Runway Gen-4.5
Runway Gen-4.5
Veo 3.1
price
$0.12 / second (12 credits at $0.01)
$0.40 / second standard; Fast $0.10 at 720p; Lite $0.05
free tier
yes
yes
access
closed api + web app
closed api (gemini, vertex) + flow
native audio
yes — on gen-4.5
yes — 48khz
max duration
not published
8s native, ~148s via extension
max resolution
720p native, 4K upscale
4K
license
commercial on paid plans
commercial, enterprise indemnity
switch forlong-form assembly and enterprise work that needs indemnity and 48khz audio
pros
+48khz audio — the best sound quality in the category
+extension chains to roughly 148 seconds of continuous video
+native 4K at $0.60/second
+enterprise indemnity and google support
cons
−$0.40/second standard is 4× google's own better-ranked model
−only 4–8 seconds per native generation
−now ranks tenth on artificial analysis text-to-video with audio
#8 in ai video models · the value pick for silent video
75/100
verdictstatistically tied for fourth on image-to-video without audio, at nine cents a second for 1080p — if you don't need generated sound, this is the efficient frontier.
PixVerse V6 vs Runway Gen-4.5
Runway Gen-4.5
PixVerse V6
price
$0.12 / second (12 credits at $0.01)
$0.09 / second at 1080p without audio
free tier
yes
yes
access
closed api + web app
closed api (fal) + web app
native audio
yes — on gen-4.5
yes — but the weak part
max duration
not published
15 seconds
max resolution
720p native, 4K upscale
1080p
license
commercial on paid plans
commercial via api terms
switch forhigh-volume 1080p b-roll where you're adding your own soundtrack anyway
pros
+#4 on image-to-video without audio at $0.09/second for 1080p
+audio is optional and genuinely cheaper when off
+20+ cinema camera controls and a multi-shot engine
#9 in ai video models · the best open-weight video model, with a licence that isn't what you think
73/100
verdicttwenty-second clips at up to 4K with genuine single-pass audio, running on your own hardware — just don't believe anyone who tells you it's apache 2.0.
LTX-2.3 vs Runway Gen-4.5
Runway Gen-4.5
LTX-2.3
price
$0.12 / second (12 credits at $0.01)
free to self-host; $0.06 / second at 1080p on fal
free tier
yes
yes
access
closed api + web app
open weights + hosted api
native audio
yes — on gen-4.5
yes — single pass
max duration
not published
20 seconds
max resolution
720p native, 4K upscale
4K
license
commercial on paid plans
community licence, $10M revenue gate
switch forself-hosted pipelines needing long clips, 4K, and audio in one pass
pros
+best open-weight video model by a clear margin
+twenty-second clips — the longest here
+4K output with genuine single-pass audio
+cheap hosted option at $0.06/second for 1080p
cons
−not apache 2.0 — $10M revenue gate and anti-competition clause
−quality still well behind the closed frontier
−self-hosting a 22b video model needs serious gpu capacity
#11 in ai video models · the only one that speaks a professional colour pipeline
66/100
verdictnative 16-bit HDR and EXR export in ACES is unique here and genuinely matters to post houses — but it generates no audio in a year when everything else does.
Luma Ray3.2 vs Runway Gen-4.5
Runway Gen-4.5
Luma Ray3.2
price
$0.12 / second (12 credits at $0.01)
~$1.20 per 5-second 1080p SDR generation
free tier
yes
yes
access
closed api + web app
closed api + web app
native audio
yes — on gen-4.5
no — third-party integration
max duration
not published
20 seconds
max resolution
720p native, 4K upscale
1080p, 16-bit HDR
license
commercial on paid plans
commercial on paid plans
switch forvfx and finishing work that has to survive a colour grade
pros
+native 16-bit HDR and EXR/ACES export — unique here
+up to sixteen keyframes for fine motion control
+twenty seconds at 1080p on modify video
+the right choice for professional finishing pipelines
every tool on this page went through the same test as Runway Gen-4.5 — same tasks, same order, scored the same way. the comparison tables are the figures from that testing, not vendor spec sheets.