Which is better, GLM-5.3 or Muse Spark 1.1?

GLM-5.3 scores higher on 2 of 6 shared quality measures, Muse Spark 1.1 on 1. 3 measures are too close to call. Their blended prices are similar ($2.15 and $2.00 per million tokens). Which one is better for you depends on your task and budget, so test both on your own work.

Which is cheaper, GLM-5.3 or Muse Spark 1.1?

Muse Spark 1.1 is cheaper on blended price: $2.15 per million tokens for GLM-5.3 against $2.00 for Muse Spark 1.1. For 100 chats of about 1,000 tokens in and 500 tokens back, that is about $0.36 for GLM-5.3 and $0.34 for Muse Spark 1.1.

Which is better for coding, GLM-5.3 or Muse Spark 1.1?

On Arena coding rating they are too close to call (1521 and 1533).

AI Rankings

GLM-5.3 vs Muse Spark 1.1: Scores, Price and Which to Choose

Side by side on every measure both models share: overall score, human votes, tests, price and context window. Close results are called too close to call.

Data updated 26 Oct 2026

Read the model pages for the full picture: GLM-5.3 and Muse Spark 1.1.

Side by side

A check mark shows the better side on each measure. Scores that are too close to call have no winner.

GLM-5.3 compared with Muse Spark 1.1GLM-5.3 against Muse Spark 1.1 on 8 measures. GLM-5.3 is better on 2, Muse Spark 1.1 on 2, 4 are too close to call, 0 have no data for one side.

GLM-5.3
Muse Spark 1.1

Epoch Capabilities IndexToo close to call
Combined score over many tests. Bar shows where it sits between the lowest and highest score we track.
GLM-5.3:
156.0
Muse Spark 1.1:
154.1
Arena text ratingToo close to call
Rating from head-to-head votes by people. Bar shows where it sits between the lowest and highest score we track.
GLM-5.3:
1481
Muse Spark 1.1:
1490
Arena coding ratingToo close to call
Rating from head-to-head votes by people. Bar shows where it sits between the lowest and highest score we track.
GLM-5.3:
1521
Muse Spark 1.1:
1533
Arena web development ratingGLM-5.3 leads
Rating from head-to-head votes by people. Bar shows where it sits between the lowest and highest score we track.
GLM-5.3:
Better: 1623
Muse Spark 1.1:
1543
DeepSWEGLM-5.3 leads
Software engineering tasks scored as the share solved on the first try (pass@1), run with the open mini-SWE-agent setup.
GLM-5.3:
Better: 69.0%
Muse Spark 1.1:
53.3%
SimpleQA VerifiedMuse Spark 1.1 leads
Short factual questions that each have one correct answer.
GLM-5.3:
41.0%
Muse Spark 1.1:
Better: 57.8%
Blended price per million tokensMuse Spark 1.1 costs less
Blended price: lower is better.
GLM-5.3:
$2.15
Muse Spark 1.1:
Better: $2.00
Context windowToo close to call
How much text it can read at once.
GLM-5.3:
1M tokens
Muse Spark 1.1:
1M tokens

Data updated 26 Oct 2026. Only measures that both models have are shown.

The numbers

GLM-5.3 against Muse Spark 1.1, measure by measure. A check mark shows the better side.
Measure	GLM-5.3	Muse Spark 1.1
Epoch Capabilities IndexToo close to call	156.0	154.1
Arena text ratingToo close to call	1481	1490
Arena coding ratingToo close to call	1521	1533
Arena web development rating	1623	1543
DeepSWE	69.0%	53.3%
SimpleQA Verified	41.0%	57.8%
Blended price per million tokens	$2.15	$2.00
Context windowToo close to call	1M tokens	1M tokens

What it costs in everyday terms

Estimate for 100 chats of about 1,000 tokens in and 500 tokens back, from list prices. Your bill depends on how you use it.

100 chats with GLM-5.3: $0.36; Blended price $2.15 per million tokens.
100 chats with Muse Spark 1.1: $0.34; Blended price $2.00 per million tokens.

Who should pick which

Pick GLM-5.3 if these matter most

Arena web development rating: 1623 against 1543
DeepSWE: 69.0% against 53.3%

Pick Muse Spark 1.1 if these matter most

SimpleQA Verified: 57.8% against 41.0%
Blended price per million tokens: $2.00 against $2.15

Too close to call: Epoch Capabilities Index, Arena text rating, Arena coding rating, Context window.

Scores come from tests and votes, not from your own work. Try both on a task you care about before you commit.

Go deeper

GLM-5.3: full page

Muse Spark 1.1: full page

Questions about this comparison

Which is better, GLM-5.3 or Muse Spark 1.1?: GLM-5.3 scores higher on 2 of 6 shared quality measures, Muse Spark 1.1 on 1. 3 measures are too close to call. Their blended prices are similar ($2.15 and $2.00 per million tokens). Which one is better for you depends on your task and budget, so test both on your own work.
Which is cheaper, GLM-5.3 or Muse Spark 1.1?: Muse Spark 1.1 is cheaper on blended price: $2.15 per million tokens for GLM-5.3 against $2.00 for Muse Spark 1.1. For 100 chats of about 1,000 tokens in and 500 tokens back, that is about $0.36 for GLM-5.3 and $0.34 for Muse Spark 1.1.
Which is better for coding, GLM-5.3 or Muse Spark 1.1?: On Arena coding rating they are too close to call (1521 and 1533).

Where this data comes from

Epoch AI: Benchmark data: Epoch AI, 'Capabilities & benchmarking', epoch.ai/benchmarks (CC BY 4.0). We match models across sources, rank them and show them in charts. Scores are not changed. Epoch AI does not endorse this site.
Arena (formerly LMArena): Human-preference ratings: Arena (arena.ai) leaderboard dataset, CC BY 4.0. We keep the latest published ratings, match them to models from other sources and rank them. Ratings are not changed. Arena does not endorse this site.
LiteLLM model price list: Prices and context windows: LiteLLM model price list (github.com/BerriAI/litellm, MIT licence). We use the model maker's own price entry when there is one. Prices change often, so always confirm on the maker's site before you buy.

Newest data on this page: 26 Oct 2026. Prices are list prices and change often, so confirm on the maker's site before you buy. Sponsors never change a score or an order. How we calculate this · Report a mistake