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Runway Gen-3 Alpha vs Stable Video Diffusion

vs
Stable Video Diffusion

Stability AI

3#12
Signal-by-Signal Comparison
SignalRunway Gen-3 AlphaDeltaStable Video Diffusion
Capabilities
0
--
0
Pricing
100
--
100
Context window size
0
--
0
Recency
0
--
0
Output Capacity
20
--
20
Overall Result
0 wins
of 5
0 wins
It's a tie - both models win 0 signals each

Score History

Score History (36 data points)
Runway Gen-3 AlphaStable Video Diffusion
Runway Gen-3 Alpha

3

current score

Leader

Tied

right now

Stable Video Diffusion

3

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Runway Gen-3 Alpha

Runway

Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Stable Video Diffusion

Stability AI

Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00
Runway Gen-3 Alpha pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Stable Video Diffusion pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Tie
Runway Gen-3 Alpha

Runway

3

Composite Score

Tie
Stable Video Diffusion

Stability AI

3

Composite Score

Signal-by-Signal Comparison
MetricRunway Gen-3 AlphaStable Video DiffusionWinner
Overall Score
3
3
--
Rank#10#12
Runway Gen-3 Alpha
Quality Rank#10#12
Runway Gen-3 Alpha
Adoption Rank#10#12
Runway Gen-3 Alpha
Parameters------
Context Window------
PricingFreeFree--
Signal Scores
Capabilities
0
0
Runway Gen-3 Alpha
Pricing
100
100
Runway Gen-3 Alpha
Context window size
0
0
Runway Gen-3 Alpha
Recency
0
0
Runway Gen-3 Alpha
Output Capacity
20
20
Runway Gen-3 Alpha
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Runway Gen-3 AlphaLimited

Scores 3/100 (rank #10), placing it in the top 97% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Stable Video DiffusionLimited

Scores 3/100 (rank #12), placing it in the top 96% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Runway Gen-3 Alpha when you need:

  • Budget-friendly applications with moderate quality requirements

Choose Stable Video Diffusion when you need:

  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Runway Gen-3 Alpha
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00
Stable Video Diffusion
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
Runway Gen-3 AlphaFaster
Speed score0/100
Stable Video Diffusion
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Runway Gen-3 Alpha

Customer support chatbot

Suitable for user-facing chat with competitive response times. Runway Gen-3 Alpha also offers lower per-token costs for high-volume support

Runway Gen-3 Alpha

Long document analysis

Larger context window (0K tokens) can process longer documents, contracts, and research papers in a single pass

Runway Gen-3 Alpha

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

Runway Gen-3 Alpha

Creative writing & content

Higher overall composite score (3/100) correlates with better nuance, coherence, and style in long-form content

Runway Gen-3 Alpha
Which Should You Choose?
Our recommendation:
Runway Gen-3 Alpha

Runway Gen-3 Alpha and Stable Video Diffusion are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by Runway

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 0% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Stability AI

Consider for specialized use cases.

Capability Comparison
CapabilityRunway Gen-3 AlphaStable Video Diffusion
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Runway Gen-3 Alpha

Runway

$0.000000
estimated monthly cost

Stable Video Diffusion

Stability AI

$0.000000
estimated monthly cost

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterRunway Gen-3 AlphaStable Video Diffusion
Context Window----
Max Output Tokens----
Open SourceNoYes
CreatedJun 17, 2024Nov 21, 2023
Frequently Asked Questions

The identical 10/100 scores likely reflect limitations in current video generation benchmarking, where both models hit similar quality thresholds on standard metrics. However, Gen-3 Alpha's #3 ranking versus Stable Video Diffusion's #7 suggests real-world performance differences not captured in automated scoring, potentially in areas like temporal consistency, motion quality, or adherence to text prompts that require human evaluation.

This fundamental difference makes them complementary rather than competitive: Gen-3 Alpha's text-to-video modality enables rapid prototyping from scripts while Stable Video Diffusion's image-to-video approach excels at animating existing storyboards or concept art. With both showing $0 pricing data and 0 token limits in the comparison, the real cost consideration becomes workflow integration rather than per-request pricing.

Stable Video Diffusion's open source nature allows for on-premise deployment and custom fine-tuning, critical for teams with proprietary visual styles or data privacy requirements. However, teams already using Runway's ecosystem benefit from Gen-3 Alpha's integration with their existing video editing tools, and its #3 ranking suggests performance advantages that may outweigh the flexibility of self-hosting.

The 0 token values indicate these video models don't use traditional text token metrics, making standard LLM comparison frameworks inadequate. Instead, teams should focus on video-specific constraints: Gen-3 Alpha typically generates 5-10 second clips at 720p-1080p resolution, while Stable Video Diffusion produces 2-4 second sequences from single images at similar resolutions.

Stable Video Diffusion's image-to-video modality provides deterministic control over the first frame, crucial for maintaining brand consistency or matching specific visual references. Combined with its open source nature allowing unlimited local generation versus potential API rate limits, teams prioritizing control and predictability over the marginal quality improvements suggested by Gen-3 Alpha's #3 vs #7 ranking may find Stable Video Diffusion more practical.

Last updated: 58m ago

相关对比

Runway Gen-3 Alpha vs Stable Video Diffusion (2026) | LM Market Cap