Qwen 3.8 Flash-Next (Thinking)
As an open preview of the Qwen4 architecture, Alibaba introduces Qwen3.8-Flash-Next — an experimental MoE model that NVIDIA has prepared as an NVFP4 quantization for local inference. Of approximately 180 billion parameters on disk, only around 6 billion activate per token, with text, image, and video input and 262,000 tokens of native context. License: combined NVIDIA and Qwen license. Important: This preview is not the hosted API Qwen3.8-Flash.
- Open Weights
- Server
- vLLM
- Text
- Vision
- Video
- Instruction-Tuned
- Long Context
- Interactive
Sovereign Risk: MEDIUM The base model originates from Alibaba (CN); the NVFP4 distribution by NVIDIA (US) reduces operational risk somewhat, but results in ‘medium’ due to US jurisdiction (e.g., CLOUD Act). Additional identity risk: Qwen3.8-Flash-Next is explicitly an experimental Open Weights preview of the upcoming Qwen4 architecture, separate from the production-hosted ‘Qwen3.8-Flash’ API with more production features.
Key metrics
Score · Latency · Cost · Quality
- Total Score Gold
- 81.02
- Routine
- 49.05
- Reasoning
- 31.97
- LLM Judge Avg
- 4 / 5
- 100 Coverage
- Avg Task Duration
- 39.75s
- Interactive
- Token Rate
- 41.18tok/s
- Output Rate
- P95 Latency
- 105.47s
- Top 5 %
- Total Tokens
- 113400
- Output Volume
- Cost per 1K
- $0
- USD / 1K Requests
- Benchmark Cost
- $0
- Total · 113400 tok
Benchmark modules
10 modules · weighted · vs. model median & top performer
Token efficiency & latency
Consumption per module vs. model median
Token consumption per module
Performance profile
Key metrics – legend
Score
- Total Score
- Overall score derived from Routine and Reasoning scores. Basis for the fleet rank and tier assignment (Gold / Silver / Bronze / Standard).
- Routine
- Score for standard tasks: code generation, text transformation, structured outputs. Weighted by task complexity.
- Reasoning
- Score for analytical and logical tasks: multi-step problem solving, mathematical reasoning, structured argumentation.
- Rank
- Position in the fleet comparison, sorted by Total Score. Refers to the snapshot at the time of testing.
LLM Judge
- LLM Judge Ø
- Average quality rating by an independent judge model on a scale of 1–5.
- Coverage
- Share of tasks for which a judge rating is available. 100% means all responses were evaluated.
Latency & speed
- Avg. Task Duration
- Average time per task from the first to the last token of the response, measured across all benchmark tasks.
- Token Rate
- Output speed in tokens per second. Relevant for interactive applications and real-time streaming.
- P95 Latency
- 95th percentile of response times — shows outliers. Lower values mean fewer long wait times in edge cases.
Cost
- Cost per 1K
- API price per 1,000 output tokens in US dollars. Basis for cost calculation in production use.
- Benchmark Cost
- Total cost for the complete benchmark run of this model.