Model Comparison

Muse Spark 1.1 vs Seed 2.0 ProWhich is better in 2026?

Comparing Muse Spark 1.1 and Seed 2.0 Pro across benchmarks, pricing, and capabilities.

Verdict: Muse Spark 1.1 vs Seed 2.0 Pro — which is better?

Muse Spark 1.1 (by Meta) and Seed 2.0 Pro (by ByteDance) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Seed 2.0 Pro is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Spark 1.1 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Muse Spark 1.1 if…

  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose Seed 2.0 Pro if…

  • cost matters — it's about 1.8x cheaper per token

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Muse Spark 1.1 and Seed 2.0 Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Seed 2.0 Pro costs less

For input processing, Muse Spark 1.1 ($1.25/1M tokens) is 2.5x more expensive than Seed 2.0 Pro ($0.50/1M tokens).

For output processing, Muse Spark 1.1 ($4.25/1M tokens) is 1.4x more expensive than Seed 2.0 Pro ($3.00/1M tokens).

In conclusion, Muse Spark 1.1 is more expensive than Seed 2.0 Pro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Jul 21 2026 • llm-stats.com
Meta
Muse Spark 1.1
Input tokens$1.25
Output tokens$4.25
Best providerMeta
ByteDance
Seed 2.0 Pro
Input tokens$0.50
Output tokens$3.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Muse Spark 1.1 accepts 1,048,576 input tokens compared to Seed 2.0 Pro's 256,000 tokens. Muse Spark 1.1 can generate longer responses up to 131,072 tokens, while Seed 2.0 Pro is limited to 65,536 tokens.

Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
ByteDance
Seed 2.0 Pro
Input256,000 tokens
Output65,536 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Muse Spark 1.1 and Seed 2.0 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Muse Spark 1.1

Text
Images
Audio
Video

Seed 2.0 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Muse Spark 1.1

Proprietary

Closed source

Seed 2.0 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark 1.1 was released on 2026-07-09, while Seed 2.0 Pro was released on 2026-02-14.

Muse Spark 1.1 is 5 months newer than Seed 2.0 Pro.

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

4mo newer
Seed 2.0 Pro

Feb 14, 2026

5 months ago

Knowledge Cutoff

When training data ends

Seed 2.0 Pro has a documented knowledge cutoff of 2024-01-01, while Muse Spark 1.1's cutoff date is not specified.

We can confirm Seed 2.0 Pro's training data extends to 2024-01-01, but cannot make a direct comparison without Muse Spark 1.1's cutoff date.

Muse Spark 1.1

—

Seed 2.0 Pro

Jan 2024

Provider Availability

Muse Spark 1.1 is available from Meta Model API. Seed 2.0 Pro is available from DeepInfra.

Muse Spark 1.1

meta logo
Meta
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M

Seed 2.0 Pro

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Meta
Larger context window (1,048,576 tokens)
ByteDance
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Muse Spark 1.1 and Seed 2.0 Pro side-by-side, then vote on the output you prefer.

Muse Spark 1.1
✓ Preferred
Seed 2.0 Pro
Open in Playground
AI Model Comparison Table
Feature
Meta
Muse Spark 1.1
ByteDance
Seed 2.0 Pro

FAQ

Common questions about Muse Spark 1.1 vs Seed 2.0 Pro.

Which is better, Muse Spark 1.1 or Seed 2.0 Pro?

Muse Spark 1.1 (Meta) and Seed 2.0 Pro (ByteDance) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Muse Spark 1.1 compare to Seed 2.0 Pro in benchmarks?

Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%. Seed 2.0 Pro scores AIME 2025: 98.3%, AIME 2026: 94.2%, GPQA: 88.9%, LiveCodeBench v6: 87.8%, BrowseComp: 77.3%.

Is Muse Spark 1.1 cheaper than Seed 2.0 Pro?

Seed 2.0 Pro is 2.5x cheaper for input tokens. Muse Spark 1.1 costs $1.25/M input and $4.25/M output via meta. Seed 2.0 Pro costs $0.50/M input and $3.00/M output via deepinfra.

What are the context window sizes for Muse Spark 1.1 and Seed 2.0 Pro?

Muse Spark 1.1 supports 1.0M tokens and Seed 2.0 Pro supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Muse Spark 1.1 and Seed 2.0 Pro?

Key differences include context window (1.0M vs 256K), input pricing ($1.25 vs $0.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark 1.1 and Seed 2.0 Pro?

Muse Spark 1.1 is developed by Meta and Seed 2.0 Pro is developed by ByteDance.

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