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Stable Video Diffusion vs Wan 2.1 T2V

Stable Video Diffusion

Stability AI

3#10
vs
Wan 2.1 T2V

Wan AI

11#2
Signal-by-Signal Comparison
SignalStable Video DiffusionDeltaWan 2.1 T2V
Capabilities
0
--
0
Pricing
100
--
100
Context window size
0
--
0
Recency
0
-32
32
Output Capacity
20
--
20
Overall Result
0 wins
of 5
1 wins
Wan 2.1 T2V wins 1 of 5 signals

Score History

Score History (23 data points)
Stable Video DiffusionWan 2.1 T2V
Stable Video Diffusion

3

current score

Leader

Wan 2.1 T2V

right now

Wan 2.1 T2V

11

current score

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

Stable Video Diffusion

Stability AI

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

Wan 2.1 T2V

Wan AI

Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00
Stable Video Diffusion pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Wan 2.1 T2V pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Stable Video Diffusion

Stability AI

3

Composite Score

Winner
Wan 2.1 T2V

Wan AI

11

Composite Score

Signal-by-Signal Comparison
MetricStable Video DiffusionWan 2.1 T2VWinner
Overall Score
3
11
Wan 2.1 T2V
Rank#10#2
Wan 2.1 T2V
Quality Rank#10#2
Wan 2.1 T2V
Adoption Rank#10#2
Wan 2.1 T2V
Parameters------
Context Window------
PricingFreeFree--
Signal Scores
Capabilities
0
0
Stable Video Diffusion
Pricing
100
100
Stable Video Diffusion
Context window size
0
0
Stable Video Diffusion
Recency
0
32
Wan 2.1 T2V
Output Capacity
20
20
Stable Video Diffusion
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.

Stable Video DiffusionLimited

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

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Wan 2.1 T2VLimited

Scores 11/100 (rank #2), placing it in the top 100% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Wan 2.1 T2V has a 8-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Stable Video Diffusion when you need:

  • Self-hosted deployments where you need full control over the model

Choose Wan 2.1 T2V when you need:

  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
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
Wan 2.1 T2V
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
Stable Video DiffusionFaster
Speed score0/100
Wan 2.1 T2V
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

Stable Video Diffusion

Customer support chatbot

Suitable for user-facing chat with competitive response times. Stable Video Diffusion also offers lower per-token costs for high-volume support

Stable Video Diffusion

Long document analysis

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

Stable Video Diffusion

Batch data extraction

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

Stable Video Diffusion

Creative writing & content

Higher overall composite score (11/100) correlates with better nuance, coherence, and style in long-form content

Wan 2.1 T2V
Which Should You Choose?
Our recommendation:
Wan 2.1 T2V

Wan 2.1 T2V has a moderate advantage with a 8-point lead in composite score. It wins on more signal dimensions, but Stable Video Diffusion has specific strengths that could make it the better choice for certain workflows.

by Stability AI

  • 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
Wan 2.1 T2V
Recommended

by Wan AI

Consider for specialized use cases.

Capability Comparison
CapabilityStable Video DiffusionWan 2.1 T2V
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)

Stable Video Diffusion

Stability AI

$0.000000
estimated monthly cost

Wan 2.1 T2V

Wan 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
ParameterStable Video DiffusionWan 2.1 T2V
Context Window----
Max Output Tokens----
Open SourceYesYes
CreatedNov 21, 2023Feb 1, 2025
Frequently Asked Questions

Both models rank near the bottom of video generation models (#7 and #8 out of 10) with matching 10/100 scores, suggesting the benchmarks heavily penalize first-generation open source models regardless of approach. The identical scoring despite Stable Video Diffusion requiring image inputs versus Wan 2.1's text-to-video pipeline indicates the evaluation metrics likely focus on output quality rather than ease of use or accessibility.

Stable Video Diffusion's image-to-video approach requires pre-existing visual assets or a separate image generation step, while Wan 2.1's text-to-video enables direct prompt-based creation. With both offering $0/M pricing and 0 token limits in their current implementations, the choice comes down to whether you have existing storyboards (favoring Stable Video Diffusion) or need rapid prototyping from text descriptions (favoring Wan 2.1).

The single rank separation is essentially meaningless given both models tie at 10/100 performance scores, placing them 90 points behind top performers in the video generation category. This minimal ranking difference likely reflects marginal variations in secondary metrics rather than meaningful capability gaps, making the choice between them dependent on modality preference rather than quality expectations.

Unlike language models that process sequential tokens, both Stable Video Diffusion and Wan 2.1 report 0 tokens for context and output because they operate on continuous latent representations rather than discrete token sequences. This architectural difference from text LLMs (which typically have 4K-128K token windows) reflects the fundamental distinction between diffusion-based video synthesis and autoregressive text generation.

With scores of 10/100 and bottom-quartile rankings, both models are best suited for experimentation rather than production workloads. The $0 pricing and open source nature make them ideal for research, prototyping, or learning video generation pipelines, but teams needing reliable results should consider the 6 higher-ranked alternatives that presumably offer 80+ point score improvements.

Last updated: 33m ago

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