Muse Spark 1.3 vs JT-4.1 Flash 236B A21B: Release Comparison
Comparison of the Muse Spark 1.3 and JT-4.1 Flash 236B A21B releases: 2 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 4 models.
- For intelligence, Muse Spark 1.3 scores highest: Muse Spark 1.3 (max) at 48, against JT-4.1 Flash 236B A21B at 34 for JT-4.1 Flash 236B A21B.
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indexes
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muse Spark 1.3 (max) |  Meta | 48 | 50 | 51 | 51 | 50 | 49 | 56 | $1.60 | $0.8 | $1.25 | $4.25 | $0.15 | $2,000 | 60k | 34k | 168M | 177 | 33.57s | 44.85s | 47.67s | 340.94s | - | 1M | Sep 2026 | - | Yes | Supports: text, image, and video | Supports: text | Not available | - | | |
| Muse Spark 1.3 (xhigh) | Meta | 45 | 48 | 49 | 49 | - | 46 | 55 | $1.37 | $0.8 | $1.25 | $4.25 | $0.15 | $1,655 | 55k | 33k | 137M | 142 | 36.31s | 50.35s | 53.86s | 364.40s | - | 1M | Sep 2026 | - | Yes | Supports: text, image, and video | Supports: text | Not available | - | | |
| JT-4.1 Flash 236B A21B |  China Mobile | 34 | 40 | 41 | 44 | - | 36 | 47 | - | - | - | - | - | - | 86k | 54k | 185M | - | - | - | - | - | 236B 21B active at inference time | 262k | Jul 2026 | - | Yes | Supports: text | Supports: text | Not available | - | - | |
| JT-4.1 Flash 236B A21B (non-reasoning) | China Mobile | 27 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 236B 21B active at inference time | 256k | Jul 2026 | - | No | Supports: text and image | Supports: text | Not available | - | - | |