GLM-5.3 Flash vs Muse Glimmer-30B: Specs & Benchmark Comparison

GLM-5.3 Flash is developed by Zhipu AI, while Muse Glimmer-30B comes from Meta. Both were released in August 2026. GLM-5.3 Flash is the larger model at roughly 320 billion parameters, against 30 billion for Muse Glimmer-30B.

The two models share 3 published benchmarks. GLM-5.3 Flash leads on 3 of them. The widest gaps are on Humanity's Last Exam, where GLM-5.3 Flash scores 55.3% against 22.0%; Terminal-Bench 2.1, where GLM-5.3 Flash scores 84.3% against 51.7%. Averaged across everything we track, GLM-5.3 Flash sits at 64.1% and Muse Glimmer-30B at 65.1%.

GLM-5.3 Flash is available through an API at $0.15 per million input tokens with a 1M-token context window. We do not track a hosted API for Muse Glimmer-30B, so pricing and context cannot be compared directly.

CharacteristicGLM-5.3 FlashMuse Glimmer-30B
CompanyZhipu AIMeta
Release DateAugust 26, 2026August 10, 2026
Parameters320B30B
MultimodalYesYes
Context (input)1.0M—
Context (output)131K—
Input Price / 1M$0.15—
Output Price / 1M$0.50—
Average Score64.1%65.1%
Benchmarks
Humanity's Last Exam55.3%22.0%
Terminal-Bench 2.184.3%51.7%
CharXiv-R89.4%78.8%

Visual Benchmark Comparison

GLM-5.3 Flash
Muse Glimmer-30B
Humanity's Last Exam0.6 vs 0.2
0.6
0.2
Terminal-Bench 2.10.8 vs 0.5
0.8
0.5
CharXiv-R0.9 vs 0.8
0.9
0.8

Verdict

GLM-5.3 Flash leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GLM-5.3 Flash — 0.6, Muse Glimmer-30B — 0.7.

Recency

GLM-5.3 Flash is newer: released 8/26/2026 vs 8/10/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — GLM-5.3 Flash or Muse Glimmer-30B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.3 Flash or Muse Glimmer-30B?
API pricing data is available on the individual model pages.
Which has a larger context window — GLM-5.3 Flash or Muse Glimmer-30B?
Context window data is available on the individual model pages.

The GLM-5.3 Flash and Muse Glimmer-30B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.3 Flash or Muse Glimmer-30B page. See also the complete list of AI model comparisons.