Models, measured side by side
GLM 5.3 vs Muse Spark 1.3
Compare GLM 5.3, Muse Spark 1.3 by token pricing, context length, benchmark results, speed and tool support.
Monthly workload
Monthly cost breakdown
InputOutput
GLM 5.3
$45 / mo
Muse Spark 1.3
$46 / mo
Performance comparison
GLM 5.3
44.8
Muse Spark 1.3
48.1
Overview
Pricing & capacity
| Pricing & capacity | GLM 5.3 | Muse Spark 1.3 |
|---|---|---|
| Input / 1M tokens | $1.40 | $1.25 |
| Output / 1M tokens | $3.39 | $4.25 |
| Cached input / 1M | $0.05 | $0.15 |
| Monthly cost | $45 | $46 |
| Context window | 1M | 1M |
| Maximum output | 944K | 944K |
Input / 1M tokens
- GLM 5.3
- $1.40
- Muse Spark 1.3
- $1.25
Output / 1M tokens
- GLM 5.3
- $3.39
- Muse Spark 1.3
- $4.25
Cached input / 1M
- GLM 5.3
- $0.05
- Muse Spark 1.3
- $0.15
Monthly cost
- GLM 5.3
- $45
- Muse Spark 1.3
- $46
Context window
- GLM 5.3
- 1M
- Muse Spark 1.3
- 1M
Maximum output
- GLM 5.3
- 944K
- Muse Spark 1.3
- 944K
Benchmarks & performance
| Benchmarks & performance | GLM 5.3 | Muse Spark 1.3 |
|---|---|---|
| Arena Elo | Not listed | Not listed |
| MMLU-Pro | Not listed | Not listed |
| Intelligence Index | 44.8 | 48.1 |
| GPQA | 91.7% | 93.5% |
| Humanity’s Last Exam | 42.3% | 48.7% |
| SciCode | 59% | 58.8% |
| Output speed | 72 tokens/s | 146 tokens/s |
| Time to first token | 2.73 s | 47.86 s |
| DesignArena rating | Not listed | 1,358 |
| DesignArena win rate | Not listed | 57.3% |
Arena Elo
- GLM 5.3
- Not listed
- Muse Spark 1.3
- Not listed
MMLU-Pro
- GLM 5.3
- Not listed
- Muse Spark 1.3
- Not listed
Intelligence Index
- GLM 5.3
- 44.8
- Muse Spark 1.3
- 48.1
GPQA
- GLM 5.3
- 91.7%
- Muse Spark 1.3
- 93.5%
Humanity’s Last Exam
- GLM 5.3
- 42.3%
- Muse Spark 1.3
- 48.7%
SciCode
- GLM 5.3
- 59%
- Muse Spark 1.3
- 58.8%
Output speed
- GLM 5.3
- 72 tokens/s
- Muse Spark 1.3
- 146 tokens/s
Time to first token
- GLM 5.3
- 2.73 s
- Muse Spark 1.3
- 47.86 s
DesignArena rating
- GLM 5.3
- Not listed
- Muse Spark 1.3
- 1,358
DesignArena win rate
- GLM 5.3
- Not listed
- Muse Spark 1.3
- 57.3%
Tools & features
| Tools & features | GLM 5.3 | Muse Spark 1.3 |
|---|---|---|
| Function calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Built-in web search | Not listed | Not listed |
| Log probabilities | Supported | Not listed |
| Deterministic seed | Supported | Not listed |
| Parallel tool calls | Supported | Not listed |
| Prompt caching | Supported | Supported |
Function calling
- GLM 5.3
- Supported
- Muse Spark 1.3
- Supported
Structured outputs
- GLM 5.3
- Supported
- Muse Spark 1.3
- Supported
JSON mode
- GLM 5.3
- Supported
- Muse Spark 1.3
- Supported
Reasoning
- GLM 5.3
- Supported
- Muse Spark 1.3
- Supported
Built-in web search
- GLM 5.3
- Not listed
- Muse Spark 1.3
- Not listed
Log probabilities
- GLM 5.3
- Supported
- Muse Spark 1.3
- Not listed
Deterministic seed
- GLM 5.3
- Supported
- Muse Spark 1.3
- Not listed
Parallel tool calls
- GLM 5.3
- Supported
- Muse Spark 1.3
- Not listed
Prompt caching
- GLM 5.3
- Supported
- Muse Spark 1.3
- Supported
API & availability
| API & availability | GLM 5.3 | Muse Spark 1.3 |
|---|---|---|
| API identifier | glm-5.3 | muse-spark-1.3 |
| API providers | Not listed | Not listed |
| Knowledge cutoff | Not listed | Not listed |
| Prices checked | Oct 8, 2026 | Oct 8, 2026 |
API identifier
- GLM 5.3
glm-5.3- Muse Spark 1.3
muse-spark-1.3
API providers
- GLM 5.3
- Not listed
- Muse Spark 1.3
- Not listed
Knowledge cutoff
- GLM 5.3
- Not listed
- Muse Spark 1.3
- Not listed
Prices checked
- GLM 5.3
- Oct 8, 2026
- Muse Spark 1.3
- Oct 8, 2026
About the models
GLM 5.3
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
Full pricing & detailsMuse Spark 1.3
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
Full pricing & detailsComparison FAQ
GLM 5.3: $1.40 input and $3.39 output per million tokens. Muse Spark 1.3: $1.25 input and $4.25 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.