Compare / head-to-head
GLM-5.3-Flashvs
Muse Spark 1.3
Muse Spark 1.3 leads 2 of 3 shared benchmarks. GLM-5.3-Flash is 8.5x cheaper per token. Muse Spark 1.3 has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 2
Muse Spark 1.3 leads
Cheaper per token
GLM-5.3-Flash
8.5x cheaper, input + output
Larger context
Muse Spark 1.3
1.0M tokens
Providers
2 providers
Z.ai · Meta
GLM-5.3-Flash
Z.ai · released 2026-08-26
textvision
Muse Spark 1.3
Meta · released 2026-09-02
textvisionvideo
Quality
Benchmark matrix
3 shared · 16 only GLM-5.3-Flash · 7 only Muse Spark 1.3| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| DeepSWE v1.1 | 63.4% ↗ | 75.4% ↗ | -12 pt | Muse Spark 1.3 |
| GDPval-AA v2 | 1773 ↗ | 1754 ↗ | +19 | GLM-5.3-Flash |
| Terminal-Bench 2.1 | 84.3% ↗ | 88.8% ↗ | -4.5 pt | Muse Spark 1.3 |
| Only GLM-5.3-Flash reports · 16 | ||||
| GPQA Diamond | 90.2% ↗epoch | not reported | — | — |
| LMArena Elo | 1471.9 ↗ | not reported | — | — |
| Agents' Last Exam (ALE-CLI) | 26.3% ↗ | not reported | — | — |
| AutomationBench v1.0.6 | 48.8% ↗ | not reported | — | — |
| BabyVision | 53.4% ↗ | not reported | — | — |
| Chartography (with tools) | 78% ↗ | not reported | — | — |
| CharXiv Reasoning (with tools) | 89.4% ↗ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 17.1% ↗epoch | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 55.8% ↗epoch | not reported | — | — |
| HLE (with tools) | 55.3% ↗ | not reported | — | — |
| MMVU | 80.5% ↗ | not reported | — | — |
| MVBench | 77.8% ↗ | not reported | — | — |
| NL2Repo | 56.3% ↗ | not reported | — | — |
| OfficeQA Pro | 62.4% ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 93.9% ↗epoch | not reported | — | — |
| Toolathlon Verified | 78.4% ↗ | not reported | — | — |
| Only Muse Spark 1.3 reports · 7 | ||||
| AutomationBench | not reported | 49.6% ↗ | — | — |
| DeepSearchQA | not reported | 90.3% ↗ | — | — |
| JobBench | not reported | 64.9% ↗ | — | — |
| MRCR 256K-512K | not reported | 98.5% ↗ | — | — |
| MRCR 512K-1M | not reported | 98.1% ↗ | — | — |
| OSWorld 2.0 (partial) | not reported | 66.9% ↗ | — | — |
| SWE-Atlas Codebase QnA | not reported | 59.4% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is GLM-5.3-Flash minus Muse Spark 1.3 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | GLM-5.3-Flash | Muse Spark 1.3 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1.0M tokens | Muse Spark 1.3 |
| Max output | 131K tokens | — | — |
| Input price / 1M | $0.15 ↗ | $1.25 ↗ | GLM-5.3-Flash |
| Output price / 1M | $0.5 ↗ | $4.25 ↗ | GLM-5.3-Flash |
| Cached input / 1M | $0.03 ↗ | $0.15 ↗ | GLM-5.3-Flash |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $0.65 | $5.5 | GLM-5.3-Flash |
| Modalities | text · vision | text · vision · video | Muse Spark 1.3 |
| Released | 2026-08-26 | 2026-09-02 | — |
| Cited benchmark scores | 19 | 10 | — |
Reliability
Provider status
Live from /statusMore matchups
GLM-5.3-Flash vs …
Models sharing the most benchmarksMore matchups
Muse Spark 1.3 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run GLM-5.3-Flash and Muse Spark 1.3 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.