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Muse Spark Open vs Seed 2.0 Mini

Muse Spark Open leads the LLM Stats Score 45.3 to 27.8. Seed 2.0 Mini is 11.4x cheaper per token.

Meta · ByteDance · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 45.3 to 27.8, ranking #42 overall.

In the 5 individual benchmarks reported for both models, Muse Spark Open wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, Seed 2.0 Mini is roughly 11.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Muse Spark Open

  • overall performance matters — it scores 45.3 and ranks #42 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

Choose Seed 2.0 Mini

  • cost matters — it's about 11.4x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
45.3
#42
27.8
#159
45.7
#35
28.7
#148
33.5
#40
1.5
#254
30.8
#43
1.1
#195
Cost, coverage & limits
Benchmark wins
5 of 5
0 of 5
Input price
$1.25 / M
$0.10 / M
Output price
$4.25 / M
$0.40 / M
Context window
1,048,576
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Muse Spark Open
Seed 2.0 Mini
33.3#58
26.4#111
31.3#33
17.9#97
33.1#20
21.2#80
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for Muse Spark Open · 83 for Seed 2.0 Mini

5 shared

Muse Spark Open outperforms in 5 benchmarks (BabyVision, GPQA, SimpleVQA, WorldVQA, ZEROBench), while Seed 2.0 Mini is better at 0 benchmarks.

Muse Spark Open significantly outperforms across most benchmarks.

Fri Oct 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Seed 2.0 Mini costs less

For input processing, Muse Spark Open ($1.25/1M tokens) is 12.5x more expensive than Seed 2.0 Mini ($0.10/1M tokens).

For output processing, Muse Spark Open ($4.25/1M tokens) is 10.6x more expensive than Seed 2.0 Mini ($0.40/1M tokens).

In conclusion, Muse Spark Open is more expensive than Seed 2.0 Mini.*

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

Lowest available price from all providers
Fri Oct 23 2026 • llm-stats.com
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
ByteDance
Seed 2.0 Mini
Input tokens$0.10
Output tokens$0.40
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Muse Spark Open accepts 1,048,576 input tokens compared to Seed 2.0 Mini's 256,000 tokens. Muse Spark Open can generate longer responses up to 1,048,576 tokens, while Seed 2.0 Mini is limited to 256,000 tokens.

Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
ByteDance
Seed 2.0 Mini
Input256,000 tokens
Output256,000 tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Muse Spark Open and Seed 2.0 Mini support multimodal inputs.

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

Muse Spark Open

Text
Images
Audio
Video

Seed 2.0 Mini

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Seed 2.0 Mini uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Muse Spark Open

Muse Model License

Open weights

Seed 2.0 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark Open was released on 2026-10-15, while Seed 2.0 Mini was released on 2026-02-17.

Muse Spark Open is 8 months newer than Seed 2.0 Mini.

Muse Spark Open

Oct 15, 2026

4 days ago

8mo newer
Seed 2.0 Mini

Feb 17, 2026

8 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Muse Spark Open is available from Together. Seed 2.0 Mini is available from DeepInfra.

Muse Spark Open

together logo
Together
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M

Seed 2.0 Mini

deepinfra logo
Deepinfra
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Muse Spark Open
✓ Preferred
Seed 2.0 Mini
Open in Playground

FAQ

Common questions about Muse Spark Open vs Seed 2.0 Mini.

Which is better, Muse Spark Open or Seed 2.0 Mini?

Muse Spark Open leads the LLM Stats Score 45.3 to 27.8. Muse Spark Open is made by Meta and Seed 2.0 Mini is made by ByteDance. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Muse Spark Open compare to Seed 2.0 Mini in benchmarks?

Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%. Seed 2.0 Mini scores CountBench: 95.5%, VLMsAreBlind: 93.1%, Graphwalks parents <128k: 93.0%, CharXiv-D: 91.9%, LongFact Concepts: 91.4%.

Is Muse Spark Open cheaper than Seed 2.0 Mini?

Seed 2.0 Mini is 12.5x cheaper for input tokens. Muse Spark Open costs $1.25/M input and $4.25/M output via together. Seed 2.0 Mini costs $0.10/M input and $0.40/M output via deepinfra.

What are the context window sizes for Muse Spark Open and Seed 2.0 Mini?

Muse Spark Open supports 1.0M tokens and Seed 2.0 Mini 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 Open and Seed 2.0 Mini?

Key differences include LLM Stats Score (45.3 vs 27.8), context window (1.0M vs 256K), input pricing ($1.25 vs $0.10/M), licensing (Muse Model License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark Open and Seed 2.0 Mini?

Muse Spark Open is developed by Meta and Seed 2.0 Mini is developed by ByteDance.