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Muse Glimmer-30B vs Solar Pro 4

Muse Glimmer-30B and Solar Pro 4 are closely matched at 35.5 and 36.0 on the LLM Stats Score.

Meta · Upstage · Updated for 2026

Which is better?

Muse Glimmer-30B and Solar Pro 4 are closely matched on the overall LLM Stats Score at 35.5 and 36.0.

The models split the 6 individual benchmarks reported for both models evenly.

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

Choose Muse Glimmer-30B

  • you want the most recent training data — it shipped Aug 2026
  • you need open weights you can self-host or fine-tune

Choose Solar Pro 4

  • you want predictable pricing at $0.30/M input and $1.20/M output

At a glance

The differences that matter most.

Muse Glimmer-30B
Meta
Solar Pro 4
Upstage
Core performance indexes
LLM Stats Score
35.5
#76
36.0
#72
Reasoning
34.7
#77
35.6
#71
Coding
23.8
#65
22.1
#73
Agents
18.5
#62
13.8
#84
Cost, coverage & limits
Benchmark wins
3 of 6
3 of 6
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
524,288

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Muse Glimmer-30B
Solar Pro 4
Math
28.3#84
32.0#55
Tool use
18.6#59
15.3#81
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

25 reported for Muse Glimmer-30B · 9 for Solar Pro 4

6 shared

Muse Glimmer-30B outperforms in 3 benchmarks (AA-LCR, SWE-Bench Verified, Tau3 Banking), while Solar Pro 4 is better at 3 benchmarks (AIME 2026, GPQA, Terminal-Bench 2.1).

Both models are evenly matched across the benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Solar Pro 4 specifies input context (524,288 tokens). Only Solar Pro 4 specifies output context (131,072 tokens).

Meta
Muse Glimmer-30B
Input- tokens
Output- tokens
Upstage
Solar Pro 4
Input524,288 tokens
Output131,072 tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Glimmer-30B supports multimodal inputs, whereas Solar Pro 4 does not.

Muse Glimmer-30B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Muse Glimmer-30B

Text
Images
Audio
Video

Solar Pro 4

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Glimmer-30B is licensed under Apache 2.0, while Solar Pro 4 uses a proprietary 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

Solar Pro 4

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Glimmer-30B was released on 2026-08-10, while Solar Pro 4 was released on 2026-08-06.

Muse Glimmer-30B is 0 month newer than Solar Pro 4.

Muse Glimmer-30B

Aug 10, 2026

2 weeks ago

4d newer
Solar Pro 4

Aug 6, 2026

3 weeks ago

Knowledge Cutoff

When training data ends

Muse Glimmer-30B has a documented knowledge cutoff of 2026-01-04, while Solar Pro 4'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 Solar Pro 4's cutoff date.

Muse Glimmer-30B

Jan 2026

Solar Pro 4

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Muse Glimmer-30B and Solar Pro 4 side-by-side, then vote on the output you prefer.

Muse Glimmer-30B
✓ Preferred
Solar Pro 4
Open in Playground

FAQ

Common questions about Muse Glimmer-30B vs Solar Pro 4.

Which is better, Muse Glimmer-30B or Solar Pro 4?

Muse Glimmer-30B and Solar Pro 4 are closely matched on the LLM Stats Score at 35.5 and 36.0. Muse Glimmer-30B is made by Meta and Solar Pro 4 is made by Upstage. 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 Solar Pro 4 in benchmarks?

Muse Glimmer-30B scores AIME 2026: 94.7%, Siren AgentDojo Utility: 94.2%, GPQA: 83.5%, AA-LCR: 80.0%, CharXiv-R: 78.8%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

What are the context window sizes for Muse Glimmer-30B and Solar Pro 4?

Muse Glimmer-30B supports an unknown number of tokens and Solar Pro 4 supports 524K 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 Solar Pro 4?

Key differences include LLM Stats Score (35.5 vs 36.0), multimodal support (yes vs no), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Glimmer-30B and Solar Pro 4?

Muse Glimmer-30B is developed by Meta and Solar Pro 4 is developed by Upstage.

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