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GLM-5.3 vs Muse Spark 1.3

GLM-5.3 and Muse Spark 1.3 are closely matched at 53.4 and 55.1 on the LLM Stats Score. Muse Spark 1.3 is 15.2x cheaper per token.

Zhipu AI · Meta · Updated for 2026

Which is better?

GLM-5.3 and Muse Spark 1.3 are closely matched on the overall LLM Stats Score at 53.4 and 55.1.

In the 4 individual benchmarks reported for both models, Muse Spark 1.3 wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, Muse Spark 1.3 is roughly 15.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose GLM-5.3

  • you need open weights you can self-host or fine-tune

Choose Muse Spark 1.3

  • you value its reported benchmark strengths — it wins 3 of 4 exact shared results
  • cost matters — it's about 15.2x cheaper per token
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

GLM-5.3
Zhipu AI
Muse Spark 1.3
Meta
Core performance indexes
LLM Stats Score
53.4
#8
55.1
#4
Reasoning
52.8
#6
52.6
#7
Coding
43.1
#6
41.9
#9
Agents
39.8
#7
40.6
#4
Cost, coverage & limits
Benchmark wins
1 of 4
3 of 4
Input price
$1.20 / M
$0.10 / M
Output price
$4.00 / M
$0.20 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GLM-5.3
Muse Spark 1.3
Tool use
34.0#4
35.8#2
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for GLM-5.3 · 11 for Muse Spark 1.3

4 shared

GLM-5.3 outperforms in 1 benchmarks (GDPval-AA), while Muse Spark 1.3 is better at 3 benchmarks (AutomationBench, DeepSWE 1.1, Terminal-Bench 2.1).

Muse Spark 1.3 shows notably better performance in the majority of benchmarks.

Thu Sep 10 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Muse Spark 1.3 costs less

For input processing, GLM-5.3 ($1.20/1M tokens) is 12.0x more expensive than Muse Spark 1.3 ($0.10/1M tokens).

For output processing, GLM-5.3 ($4.00/1M tokens) is 20.0x more expensive than Muse Spark 1.3 ($0.20/1M tokens).

In conclusion, GLM-5.3 is more expensive than Muse Spark 1.3.*

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

Lowest available price from all providers
Thu Sep 10 2026 • llm-stats.com
Zhipu AI
GLM-5.3
Input tokens$1.20
Output tokens$4.00
Best providerDeepinfra
Meta
Muse Spark 1.3
Input tokens$0.10
Output tokens$0.20
Best providerMeta
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. GLM-5.3 can generate longer responses up to 1,048,576 tokens, while Muse Spark 1.3 is limited to 943,718 tokens.

Zhipu AI
GLM-5.3
Input1,048,576 tokens
Output1,048,576 tokens
Meta
Muse Spark 1.3
Input1,048,576 tokens
Output943,718 tokens
Thu Sep 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark 1.3 supports multimodal inputs, whereas GLM-5.3 does not.

Muse Spark 1.3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-5.3

Text
Images
Audio
Video

Muse Spark 1.3

Text
Images
Audio
Video

License

Usage and distribution terms

GLM-5.3 is licensed under GLM-5.3 License, while Muse Spark 1.3 uses a proprietary license.

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

GLM-5.3

GLM-5.3 License

Open weights

Muse Spark 1.3

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-5.3 was released on 2026-08-14, while Muse Spark 1.3 was released on 2026-09-02.

Muse Spark 1.3 is 1 month newer than GLM-5.3.

GLM-5.3

Aug 14, 2026

3 weeks ago

Muse Spark 1.3

Sep 2, 2026

1 weeks ago

2w newer

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

GLM-5.3 is available from DeepInfra, FriendliAI, Novita, ZAI. Muse Spark 1.3 is available from Meta Model API.

GLM-5.3

deepinfra logo
Deepinfra
Input Price:Input: $1.20/1MOutput Price:Output: $4.00/1M
friendli logo
FriendliAI
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
novita logo
Novita
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
z logo
Unknown Organization
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M

Muse Spark 1.3

meta logo
Meta
Input Price:Input: $0.10/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GLM-5.3 and Muse Spark 1.3 side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
Muse Spark 1.3
Open in Playground

FAQ

Common questions about GLM-5.3 vs Muse Spark 1.3.

Which is better, GLM-5.3 or Muse Spark 1.3?

GLM-5.3 and Muse Spark 1.3 are closely matched on the LLM Stats Score at 53.4 and 55.1. GLM-5.3 is made by Zhipu AI and Muse Spark 1.3 is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GLM-5.3 compare to Muse Spark 1.3 in benchmarks?

GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%. Muse Spark 1.3 scores MRCR v2 (8-needle): 98.5%, MRCR v2 (8-needle, 512K-1M): 98.1%, DeepSearchQA: 89.4%, Terminal-Bench 2.1: 88.8%, DeepSWE 1.1: 75.4%.

Is GLM-5.3 cheaper than Muse Spark 1.3?

Muse Spark 1.3 is 12.0x cheaper for input tokens. GLM-5.3 costs $1.20/M input and $4.00/M output via deepinfra. Muse Spark 1.3 costs $0.10/M input and $0.20/M output via meta.

What are the context window sizes for GLM-5.3 and Muse Spark 1.3?

GLM-5.3 supports 1.0M tokens and Muse Spark 1.3 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 GLM-5.3 and Muse Spark 1.3?

Key differences include LLM Stats Score (53.4 vs 55.1), input pricing ($1.20 vs $0.10/M), multimodal support (no vs yes), licensing (GLM-5.3 License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and Muse Spark 1.3?

GLM-5.3 is developed by Zhipu AI and Muse Spark 1.3 is developed by Meta.

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