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Runway Gen-4.5 vs Sora 2 Pro
Sora 2 Pro edges out Gen-4.5 overall (Gen-4.5 40.0 vs Sora 2 Pro 50.0.) Sora 2 Pro is pretty good at storytelling. When generating multi-scene outputs, it can maintain narrative consistency, offering a glimpse of what coherent one-shot narratives could look like. It excels at 2D and 3D animation. However, it performs worse than other frontier models like the Veo 3 set, with very poor logical consistency and extremely wide variance in output quality. Outside of the Sora App, for any serious use case the recommendation is still Kling, Seedance, or Veo. The main tradeoffs are in Logical consistency, Wide quality variance, Expensive, where Gen-4.5 tends to score better.
Gen-4.5Runway | Sora 2 ProOpenAI |
|---|---|
Good for
| Good for
|
Bad for
| Bad for
|
Modalities
| Capability | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| 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
OpenAI
openai
OpenAI is the platform that serves Sora 2 Pro requests, pricing, and availability.
Physics
How well the model simulates real-world physics: gravity, momentum, collisions, and natural movement.
Sora 2 Pro leads on physics (+1.9), with a measurable advantage over Gen-4.5. The clearest separation is on Physics (+1.9). 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, Sora 2 Pro is the safer pick here.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| Physics | 37.4 | 39.3 |
Prompt and Logic
Measures how accurately the model follows prompts and maintains logical consistency throughout the video.
Sora 2 Pro leads on prompt and logic (+4.6), with a measurable advantage over Gen-4.5. The clearest separation is on Scene Consistency (+11.4). 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, Sora 2 Pro is the safer pick here.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| Prompt Adherence | 47.0 | 50.0 |
| Logic Consistency | 35.6 | 35.0 |
| Scene Consistency | 38.1 | 49.5 |
Aesthetics
Visual quality including cinematography, artistic taste, and overall production value.
Sora 2 Pro leads on aesthetics (+4.8), with a measurable advantage over Gen-4.5. The clearest separation is on Cinematography (+9.3). 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, Sora 2 Pro is the safer pick here.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| Cinematography | 44.0 | 53.3 |
| Taste | — | — |
| Quality | 0.3 | 0.4 |
Animation
Performance on animated content styles including 2D, 3D, and anime-style animation.
Sora 2 Pro leads on animation (+4.4), with a measurable advantage over Gen-4.5. The clearest separation is on 2D Animation (+19.3). 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, Sora 2 Pro is the safer pick here.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| 2D Animation | 41.0 | 60.3 |
| 3D Animation | 38.5 | 48.0 |
| Anime Animation | 52.5 | 37.0 |
Humans
Accuracy of human rendering including body proportions, hand details, and realistic actor performances.
Sora 2 Pro leads on humans (+32.6), with a measurable advantage over Gen-4.5. The clearest separation is on Actor Performance (+46.0). 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, Sora 2 Pro is the safer pick here.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| Human | — | 56.6 |
| Hands | 48.0 | 67.2 |
| Actor Performance | 38.0 | 84.0 |
Objects and Animals
Quality of rendering inanimate objects and animals with accurate shapes, textures, and movements.
Sora 2 Pro leads on objects and animals (+9.7), with a measurable advantage over Gen-4.5. The clearest separation is on Animals (+10.8). 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, Sora 2 Pro is the safer pick here.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| Objects | 42.4 | 51.0 |
| Animals | 40.2 | 51.0 |
Text
Ability to render readable, accurate text and typography within generated videos.
Gen-4.5 and Sora 2 Pro are effectively tied on text, with small tradeoffs across the metrics. In practice, you should decide based on the specific sub-metric you care about most, since neither model consistently dominates this slice of the rubric.
| Metric | Gen-4.5 | Sora 2 Pro |
|---|---|---|
| Text Fidelity | 30.5 | 30.5 |
Cost and Speed
Practical factors including pricing per video and generation latency.
Gen-4.5 leads on cost and speed (+20003.0), with a measurable advantage over Sora 2 Pro. The clearest separation is on Latency (+60000.0). 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 | Sora 2 Pro |
|---|---|---|
| Price / sec | $0.050 | $0.200 |
| Price / min | $3.00 | $12.00 |
| Latency | 0ms | 60.0s |