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Runway Gen-4.5 vs Vidu Q2
Vidu Q2 edges out Gen-4.5 overall (Gen-4.5 40.0 vs Vidu Q2 45.0.) Vidu Q2 scores a little below average or just about average across the board. The exception is animation, where it does quite well. Given its low cost, it's a good contender for rapid iterations on CG work. However, it has poor cinematography, judgment, and taste, scoring below average on most other categories. The main tradeoffs are in Cinematography, Taste/judgment, Most other categories, where Gen-4.5 tends to score better.
Gen-4.5Runway | Vidu Q2Vidu |
|---|---|
Good for
| Good for
|
Bad for
| Bad for
|
Modalities
| Capability | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Text input | ||
| Image input | ||
| Video input | ||
| Audio input | ||
| Image output | ||
| Audio output |
Providers
Provider
Runway
runway-ml
Runway is the platform that serves Gen-4.5 requests, pricing, and availability.
Provider
Vidu
vidu
Vidu is the platform that serves Vidu Q2 requests, pricing, and availability.
Physics
How well the model simulates real-world physics: gravity, momentum, collisions, and natural movement.
Vidu Q2 leads on physics (+6.4), with a measurable advantage over Gen-4.5. The clearest separation is on Physics (+6.4). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If physics is a priority for your prompts, Vidu Q2 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Physics | 37.4 | 43.8 |
Prompt and Logic
Measures how accurately the model follows prompts and maintains logical consistency throughout the video.
Vidu Q2 leads on prompt and logic (+2.5), with a measurable advantage over Gen-4.5. The clearest separation is on Scene Consistency (+7.1). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If prompt and logic is a priority for your prompts, Vidu Q2 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Prompt Adherence | 47.0 | 45.8 |
| Logic Consistency | 35.6 | 37.2 |
| Scene Consistency | 38.1 | 45.2 |
Aesthetics
Visual quality including cinematography, artistic taste, and overall production value.
Vidu Q2 leads on aesthetics (+1.4), with a measurable advantage over Gen-4.5. The clearest separation is on Cinematography (+2.6). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If aesthetics is a priority for your prompts, Vidu Q2 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Cinematography | 44.0 | 46.6 |
| Taste | — | — |
| Quality | 0.3 | 0.4 |
Animation
Performance on animated content styles including 2D, 3D, and anime-style animation.
Vidu Q2 leads on animation (+12.6), with a measurable advantage over Gen-4.5. The clearest separation is on 3D Animation (+30.5). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If animation is a priority for your prompts, Vidu Q2 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| 2D Animation | 41.0 | 38.0 |
| 3D Animation | 38.5 | 69.0 |
| Anime Animation | 52.5 | 62.7 |
Humans
Accuracy of human rendering including body proportions, hand details, and realistic actor performances.
Vidu Q2 leads on humans (+14.0), with a measurable advantage over Gen-4.5. The clearest separation is on Actor Performance (+17.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If humans is a priority for your prompts, Vidu Q2 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Human | — | 49.7 |
| Hands | 48.0 | 59.0 |
| Actor Performance | 38.0 | 55.0 |
Objects and Animals
Quality of rendering inanimate objects and animals with accurate shapes, textures, and movements.
Gen-4.5 leads on objects and animals (+5.0), with a measurable advantage over Vidu Q2. The clearest separation is on Objects (+8.0). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If objects and animals is a priority for your prompts, Gen-4.5 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Objects | 42.4 | 34.4 |
| Animals | 40.2 | 38.1 |
Text
Ability to render readable, accurate text and typography within generated videos.
Vidu Q2 leads on text (+1.5), with a measurable advantage over Gen-4.5. The clearest separation is on Text Fidelity (+1.5). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If text is a priority for your prompts, Vidu Q2 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Text Fidelity | 30.5 | 32.0 |
Cost and Speed
Practical factors including pricing per video and generation latency.
Gen-4.5 leads on cost and speed (+6.3), with a measurable advantage over Vidu Q2. The clearest separation is on Price / min (+18.6). Across the other sub-metrics in this group, the gap is smaller but generally consistent with the overall direction. If cost and speed is a priority for your prompts, Gen-4.5 is the safer pick here.
| Metric | Gen-4.5 | Vidu Q2 |
|---|---|---|
| Price / sec | $0.050 | $0.360 |
| Price / min | $3.00 | $21.60 |
| Latency | 0ms | 0ms |