DeepSeek V4.1 Flash vs Qwen3.8 27B: Release Comparison
Comparison of the DeepSeek V4.1 Flash and Qwen3.8 27B releases: 2 and 4 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 6 models.
- For intelligence, DeepSeek V4.1 Flash scores highest: DeepSeek V4.1 Flash (Reasoning, Max Effort) at 39, against Qwen3.8 27B (xhigh) at 34 for Qwen3.8 27B.
- For output speed, DeepSeek V4.1 Flash is fastest: DeepSeek V4.1 Flash (Non-Reasoning) at 243 t/s, against Qwen3.8 27B (Non-reasoning) at 51 t/s for Qwen3.8 27B.
- For cost per task, DeepSeek V4.1 Flash is cheapest: DeepSeek V4.1 Flash (Non-Reasoning) at $0.15, against Qwen3.8 27B (xhigh) at $1.01 for Qwen3.8 27B.
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 | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash (Reasoning, Max Effort) |  DeepSeek | 39 | 45 | 52 | 41 | 41 | 39 | 44 | $0.27 | $0.2 | $0.30 | $1.20 | $0.006 | $477 | 89k | 63k | 253M | 232 | 0.97s | 9.58s | 11.73s | 282.36s | 552B 16B active at inference time | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text |    +15 | |||
| Qwen3.8 27B (xhigh) |  Alibaba | 34 | 34 | 37 | 35 | 34 | 33 | 43 | $1.01 | $0.5 | $0.50 | $3.00 | $0.10 | $1,336 | 67k | 48k | 198M | 43 | 4.03s | 50.81s | 62.51s | 1263.40s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text |  +4 | |||
| Qwen3.8 27B (medium) | Alibaba | 28 | 28 | 34 | 27 | - | 25 | 31 | $1.13 | $0.5 | $0.50 | $3.00 | $0.10 | $1,165 | 52k | 32k | 113M | 49 | 3.83s | 44.45s | 54.60s | 1010.51s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text |  | |||
| Qwen3.8 27B (low) | Alibaba | 26 | 27 | 29 | 28 | - | 24 | 32 | $1.05 | $0.5 | $0.50 | $3.00 | $0.10 | $1,060 | 45k | 26k | 82M | 49 | 3.87s | 44.72s | 54.93s | 856.80s | 27B | 256k | Aug 2026 | - | Yes | Supports: text, image, and video | Supports: text | | |||
| DeepSeek V4.1 Flash (Non-Reasoning) | DeepSeek | 25 | 30 | 36 | 30 | - | 25 | 32 | $0.15 | $0.2 | $0.30 | $1.20 | $0.006 | $156 | 34k | 0 | 45M | 243 | 1.16s | 1.16s | 3.22s | 136.49s | 552B 16B active at inference time | 1M | Sep 2026 | - | No | Supports: text and image | Supports: text | | |||
| Qwen3.8 27B (Non-reasoning) | Alibaba | 20 | 19 | 16 | 22 | - | 22 | 30 | $2.49 | $0.5 | $0.50 | $3.00 | $0.10 | $2,022 | 30k | 0 | 43M | 51 | 3.92s | 3.92s | 13.75s | 557.97s | 27B | 256k | Aug 2026 | - | No | Supports: text, image, and video | Supports: text |   | |||