Qwen3.8 27B vs DeepSeek V4 Flash 0731: Release Comparison
Comparison of the Qwen3.8 27B and DeepSeek V4 Flash 0731 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, DeepSeek V4 Flash 0731 scores highest: DeepSeek V4 Flash Vision (Reasoning, Max Effort) at 35, against Qwen3.8 27B (xhigh) at 34 for Qwen3.8 27B.
- For output speed, DeepSeek V4 Flash 0731 is fastest: DeepSeek V4 Flash Vision (Reasoning, Max Effort) at 214 t/s, against Qwen3.8 27B (medium) at 50 t/s for Qwen3.8 27B.
- For cost per task, DeepSeek V4 Flash 0731 is cheapest: DeepSeek V4 Flash 0731 (Reasoning, Max Effort) at $0.22, 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 v4.0 · 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
Weights | Provider Benchmarks | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| DeepSeek V4 Flash Vision (Reasoning, Max Effort) |  DeepSeek | 35 | 284B 13B active at inference time | 1M | $0.2 | 214 | Not available |  | |
| DeepSeek V4 Flash 0731 (Reasoning, Max Effort) | DeepSeek | 35 | 284B 13B active at inference time | 1M | $0.2 | 213 |    +12 | ||
| Qwen3.8 27B (xhigh) |  Alibaba | 34 | 27B | 256k | $0.4 | 43 |  +2 | ||
| Qwen3.8 27B (medium) | Alibaba | 28 | 27B | 256k | $0.4 | 50 |  | ||
| Qwen3.8 27B (low) | Alibaba | 26 | 27B | 256k | $0.4 | 47 | | ||
| Qwen3.8 27B (Non-reasoning) | Alibaba | 22 | 27B | 256k | $0.4 | 46 | |