Qwen3.8 27B vs Qwen3.5 397B A17B: Release Comparison
Comparison of the Qwen3.8 27B and Qwen3.5 397B A17B 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 scores highest: Qwen3.8 27B (xhigh) at 34, against Qwen3.5 397B A17B (Non-reasoning) at 21 for Qwen3.5 397B A17B.
- For output speed, Qwen3.5 397B A17B is fastest: Qwen3.5 397B A17B (Reasoning) at 83 t/s, against Qwen3.8 27B (low) at 51 t/s for Qwen3.8 27B.
- For cost per task, Qwen3.5 397B A17B is cheapest: Qwen3.5 397B A17B (Reasoning) at $0.47, against Qwen3.8 27B (xhigh) at $0.82 for Qwen3.8 27B.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Qwen3.8 27B (xhigh) |  Alibaba | 34 | 35 | 37 | 35 | 35 | 34 | 43 | $0.82 | $0.4 | $0.50 | $3.00 | $0.05 | $1,170 | 67k | 48k | 198M | 44 | 4.06s | 49.87s | 61.32s | 1070.10s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text |   +2 | |||
| Qwen3.8 27B (medium) | Alibaba | 28 | 29 | 35 | 28 | - | 25 | 31 | $0.90 | $0.4 | $0.50 | $3.00 | $0.05 | $977 | 52k | 32k | 113M | 49 | 3.83s | 44.69s | 54.90s | 976.32s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text |  | |||
| Qwen3.8 27B (low) | Alibaba | 26 | 27 | 30 | 28 | - | 24 | 32 | $0.83 | $0.4 | $0.50 | $3.00 | $0.05 | $876 | 45k | 26k | 82M | 51 | 3.90s | 43.45s | 53.34s | 871.73s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text | | |||
| Qwen3.8 27B (Non-reasoning) | Alibaba | 22 | - | - | - | - | - | - | - | $0.4 | $0.50 | $3.00 | $0.05 | - | - | - | - | 50 | 3.91s | 3.91s | 13.91s | - | 27B | 256k | Aug 2026 | - | No | Supports: text, image, and video | Supports: text | | |||
| Qwen3.5 397B A17B (Non-reasoning) | Alibaba | 21 | - | - | - | - | - | - | - | $0.9 | $0.60 | $3.60 | - | - | - | - | - | 80 | 2.17s | 2.17s | 8.42s | - | 397B 17B active at inference time | 262k | Feb 2026 | - | No | Supports: text and image | Supports: text |  +3 | |||
| Qwen3.5 397B A17B (Reasoning) | Alibaba | 19 | 20 | 16 | 22 | - | 22 | 28 | $0.47 | $0.9 | $0.60 | $3.60 | - | $941 | 19k | 9k | 95M | 83 | 2.16s | 40.45s | 46.46s | 210.41s | 397B 17B active at inference time | 262k | Feb 2026 | - | Yes | Supports: text and image | Supports: text |  +6 | |||