Swipe for more top models
Compare
Infinity Star vs Runway Gen-4.5
Gen-4.5 edges out Infinity Star overall (Infinity Star 24.0 vs Gen-4.5 40.0.) Gen-4.5 struggles more than other models in its class and generation, producing below-average scores across the board. As a flagship model, it unfortunately doesn't quite meet expectations. It does seem somewhat good for anime. But given the price, it doesn't match the quality of other flagship models from Kling, ByteDance, or Google. The main tradeoffs are in Below-average scores across the board, Price-to-quality ratio, Doesn't match Kling/ByteDance/Google flagships, where Infinity Star tends to score better.
Infinity StarFoundationVision | Gen-4.5Runway |
|---|---|
Good for
| Good for
|
Bad for
| Bad for
|
Modalities
| Capability | Infinity Star | Gen-4.5 |
|---|---|---|
| Text input | ||
| Image input | ||
| Video input | ||
| Audio input | ||
| Image output | ||
| Audio output |
Providers
Provider
FoundationVision
foundationvision
FoundationVision is the platform that serves Infinity Star requests, pricing, and availability.
Provider
Runway
runway-ml
Runway is the platform that serves Gen-4.5 requests, pricing, and availability.
Physics
How well the model simulates real-world physics: gravity, momentum, collisions, and natural movement.
Gen-4.5 leads on physics (+22.9), with a measurable advantage over Infinity Star. The clearest separation is on Physics (+22.9). 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, Gen-4.5 is the safer pick here.
| Metric | Infinity Star | Gen-4.5 |
|---|---|---|
| Physics | 14.5 | 37.4 |
Prompt and Logic
Measures how accurately the model follows prompts and maintains logical consistency throughout the video.
Gen-4.5 leads on prompt and logic (+8.5), with a measurable advantage over Infinity Star. The clearest separation is on Scene Consistency (+14.8). 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, Gen-4.5 is the safer pick here.
| Metric | Infinity Star | Gen-4.5 |
|---|---|---|
| Prompt Adherence | 48.0 | 47.0 |
| Logic Consistency | 23.8 | 35.6 |
| Scene Consistency | 23.4 | 38.1 |
Aesthetics
Visual quality including cinematography, artistic taste, and overall production value.
Gen-4.5 leads on aesthetics (+7.3), with a measurable advantage over Infinity Star. The clearest separation is on Cinematography (+14.4). 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, Gen-4.5 is the safer pick here.
| Metric | Infinity Star | Gen-4.5 |
|---|---|---|
| Cinematography | 29.6 | 44.0 |
| Taste | — | — |
| Quality | 0.1 | 0.3 |
Animation
Performance on animated content styles including 2D, 3D, and anime-style animation.
Gen-4.5 leads on animation (+19.8), with a measurable advantage over Infinity Star. The clearest separation is on 2D Animation (+31.3). 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, Gen-4.5 is the safer pick here.
| Metric | Infinity Star | Gen-4.5 |
|---|---|---|
| 2D Animation | 9.7 | 41.0 |
| 3D Animation | 25.7 | 38.5 |
| Anime Animation | 37.3 | 52.5 |
Humans
Accuracy of human rendering including body proportions, hand details, and realistic actor performances.
Gen-4.5 leads on humans (+9.2), with a measurable advantage over Infinity Star. The clearest separation is on Hands (+15.0). 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, Gen-4.5 is the safer pick here.
| Metric | Infinity Star | Gen-4.5 |
|---|---|---|
| Human | 25.0 | — |
| Hands | 33.0 | 48.0 |
| Actor Performance | 34.7 | 38.0 |
Objects and Animals
Quality of rendering inanimate objects and animals with accurate shapes, textures, and movements.
Gen-4.5 leads on objects and animals (+8.6), with a measurable advantage over Infinity Star. The clearest separation is on Objects (+16.4). 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 | Infinity Star | Gen-4.5 |
|---|---|---|
| Objects | 26.0 | 42.4 |
| Animals | 39.4 | 40.2 |
Text
Ability to render readable, accurate text and typography within generated videos.
Gen-4.5 leads on text (+28.8), with a measurable advantage over Infinity Star. The clearest separation is on Text Fidelity (+28.8). 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, Gen-4.5 is the safer pick here.
| Metric | Infinity Star | Gen-4.5 |
|---|---|---|
| Text Fidelity | 1.7 | 30.5 |
Cost and Speed
Practical factors including pricing per video and generation latency.
Gen-4.5 leads on cost and speed (+3.3), with a measurable advantage over Infinity Star. The clearest separation is on Price / min (+9.6). 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 | Infinity Star | Gen-4.5 |
|---|---|---|
| Price / sec | $0.210 | $0.050 |
| Price / min | $12.60 | $3.00 |
| Latency | 0ms | 0ms |