Qwen3.8 27B vs JT-4.1 Flash 236B A21B: Release Comparison
Comparison of the Qwen3.8 27B and JT-4.1 Flash 236B A21B releases: 4 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 6 models.
- For intelligence, Qwen3.8 27B and JT-4.1 Flash 236B A21B tie at 34 (Qwen3.8 27B (xhigh) and 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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JT-4.1 Flash 236B A21B | 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 | - | - | ||
| Qwen3.8 27B (xhigh) | 34 | 34 | 37 | 35 | 34 | 33 | 43 | $1.01 | $0.5 | $0.50 | $3.00 | $0.10 | $1,336 | 67k | 48k | 198M | 44 | 3.87s | 49.51s | 60.92s | 1240.77s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text | +4 | ||||
| Qwen3.8 27B (medium) | 28 | 28 | 34 | 27 | - | 25 | 31 | $1.13 | $0.5 | $0.50 | $3.00 | $0.10 | $1,165 | 52k | 32k | 113M | 49 | 3.88s | 44.80s | 55.03s | 1020.65s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text | |||||
| JT-4.1 Flash 236B A21B (non-reasoning) | 27 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 236B 21B active at inference time | 256k | Jul 2026 | - | No | Supports: text and image | Supports: text | Not available | - | - | ||
| Qwen3.8 27B (low) | 26 | 27 | 29 | 28 | - | 24 | 32 | $1.05 | $0.5 | $0.50 | $3.00 | $0.10 | $1,060 | 45k | 26k | 82M | 50 | 3.85s | 44.08s | 54.14s | 908.30s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text | |||||
| Qwen3.8 27B (Non-reasoning) | 20 | 19 | 16 | 22 | - | 22 | 30 | $2.49 | $0.5 | $0.50 | $3.00 | $0.10 | $2,022 | 30k | 0 | 43M | 51 | 3.86s | 3.86s | 13.72s | 569.44s | 27B | 256k | Aug 2026 | - | No | Supports: text, image, and video | Supports: text | |||||