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Muse Glimmer-30B vs Muse Spark Open

Muse Spark Open leads the LLM Stats Score 45.3 to 35.2. Muse Glimmer-30B is 3.8x cheaper per token.

Meta · Meta · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 45.3 to 35.2, ranking #42 overall.

In the 6 individual benchmarks reported for both models, Muse Spark Open wins 6; this is a narrower head-to-head signal than the composite indexes.

On price, Muse Glimmer-30B is roughly 3.8x 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 Glimmer-30B

  • cost matters — it's about 3.8x cheaper per token

Choose Muse Spark Open

  • overall performance matters — it scores 45.3 and ranks #42 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 6 of 6 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

At a glance

The differences that matter most.

Muse Glimmer-30B
Meta
Muse Spark Open
Meta
Core performance indexes
LLM Stats Score
35.2
#106
45.3
#42
Reasoning
34.7
#104
45.7
#35
Coding
22.5
#99
33.5
#40
Agents
17.3
#96
30.8
#43
Cost, coverage & limits
Benchmark wins
0 of 6
6 of 6
Input price
$0.30 / M
$1.25 / M
Output price
$1.20 / M
$4.25 / M
Context window
131,072
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
Muse Glimmer-30B
Muse Spark Open
Math
28.4#100
33.3#58
Vision
20.4#85
31.3#33
Tool use
19.8#72
23.3#45
Multimodal
23.5#70
33.1#20
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Muse Glimmer-30B · 17 for Muse Spark Open

6 shared

Muse Glimmer-30B outperforms in 0 benchmarks, while Muse Spark Open is better at 6 benchmarks (GDPval-AA, GPQA, MCP Atlas, OSWorld-Verified, SciCode, Terminal-Bench 2.1).

Muse Spark Open significantly outperforms across most benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Muse Glimmer-30B costs less

For input processing, Muse Glimmer-30B ($0.30/1M tokens) is 4.2x cheaper than Muse Spark Open ($1.25/1M tokens).

For output processing, Muse Glimmer-30B ($1.20/1M tokens) is 3.5x cheaper than Muse Spark Open ($4.25/1M tokens).

In conclusion, Muse Spark Open is more expensive than Muse Glimmer-30B.*

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

Lowest available price from all providers
Thu Oct 22 2026 • llm-stats.com
Meta
Muse Glimmer-30B
Input tokens$0.30
Output tokens$1.20
Best providerDeepinfra
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
Notice missing or incorrect data?

Model Size

Parameter count comparison

786.4B diff

Muse Spark Open has 786.4B more parameters than Muse Glimmer-30B, making it 2656.8% larger.

Meta
Muse Glimmer-30B
29.6Bparameters
Meta
Muse Spark Open
816.0Bparameters
29.6B
Muse Glimmer-30B
816.0B
Muse Spark Open

Context Window

Maximum input and output token capacity

Muse Spark Open accepts 1,048,576 input tokens compared to Muse Glimmer-30B's 131,072 tokens. Muse Spark Open can generate longer responses up to 1,048,576 tokens, while Muse Glimmer-30B is limited to 131,072 tokens.

Meta
Muse Glimmer-30B
Input131,072 tokens
Output131,072 tokens
Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Muse Glimmer-30B and Muse Spark Open support multimodal inputs.

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

Muse Glimmer-30B

Text
Images
Audio
Video

Muse Spark Open

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Glimmer-30B is licensed under Apache 2.0, while Muse Spark Open uses Muse Model License.

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

Muse Glimmer-30B

Apache 2.0

Open weights

Muse Spark Open

Muse Model License

Open weights

Release Timeline

When each model was launched

Muse Glimmer-30B was released on 2026-08-10, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 2 months newer than Muse Glimmer-30B.

Muse Glimmer-30B

Aug 10, 2026

2 months ago

Muse Spark Open

Oct 15, 2026

4 days ago

2mo newer

Knowledge Cutoff

When training data ends

Muse Glimmer-30B has a documented knowledge cutoff of 2026-01-04, while Muse Spark Open's cutoff date is not specified.

We can confirm Muse Glimmer-30B's training data extends to 2026-01-04, but cannot make a direct comparison without Muse Spark Open's cutoff date.

Muse Glimmer-30B

Jan 2026

Muse Spark Open

—

Provider Availability

Muse Glimmer-30B is available from DeepInfra. Muse Spark Open is available from Together.

Muse Glimmer-30B

deepinfra logo
Deepinfra
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Muse Spark Open

together logo
Together
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Glimmer-30B and Muse Spark Open side-by-side, then vote on the output you prefer.

Muse Glimmer-30B
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

Common questions about Muse Glimmer-30B vs Muse Spark Open.

Which is better, Muse Glimmer-30B or Muse Spark Open?

Muse Spark Open leads the LLM Stats Score 45.3 to 35.2. Muse Glimmer-30B is made by Meta and Muse Spark Open is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Muse Glimmer-30B compare to Muse Spark Open in benchmarks?

Muse Glimmer-30B scores AIME 2026: 94.7%, Siren AgentDojo Utility: 94.2%, Tau2 Telecom: 94.1%, PinchBench: 90.5%, Tau2 Retail: 87.1%. Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%.

Is Muse Glimmer-30B cheaper than Muse Spark Open?

Muse Glimmer-30B is 4.2x cheaper for input tokens. Muse Glimmer-30B costs $0.30/M input and $1.20/M output via deepinfra. Muse Spark Open costs $1.25/M input and $4.25/M output via together.

What are the context window sizes for Muse Glimmer-30B and Muse Spark Open?

Muse Glimmer-30B supports 131K tokens and Muse Spark Open supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Muse Glimmer-30B and Muse Spark Open?

Key differences include LLM Stats Score (35.2 vs 45.3), context window (131K vs 1.0M), input pricing ($0.30 vs $1.25/M), licensing (Apache 2.0 vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

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