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Alibaba

Qwen3.8-Flash-Next

Qwen3.8-Flash-Next is a chat-oriented large language model from Alibaba, part of the Qwen line, with measured throughput of roughly 54 output tokens per second.

Input from
$0.150 / 1M tokens
across 2 providers

API Pricing

Cheapest on Heabsy — 68% below avg
ProviderInput / 1MOutput / 1MCached / 1M
$0.150$0.470$0.020
$0.781$1.95$0.195

Prices updated daily. Last check: Oct 12, 2026

Compare API pricing for every Qwen model →

Qwen3.8-Flash-Next pricing by provider

Input, output, and batch rates, plus alternatives, for one provider at a time.

Performance & Benchmarks

Source: Artificial Analysis →
Intelligence
39.8 / 100
Coding
73.1 / 100
Output Speed
52.6 t/s
Latency (TTFT)
1.1s

Reasoning & Knowledge

  • GPQA Diamond92.3%
  • Humanity's Last Exam38.0%

Coding

  • SciCode50.6%

Agentic & Tool Use

  • Terminal-Bench v2.186.1%
  • τ-bench Banking45.4%

Instruction & Long Context

  • Long-Context Reasoning79.7%

Benchmarks measured Oct 2026. Scores are independent evaluations, not vendor-reported.

Model Details

General

Creator
Alibaba
Modalities
Text

Capabilities

Open Source
No

Strengths & Limitations

Strengths

  • Measured output throughput of approximately 54 tokens per second in independent Artificial Analysis testing, giving a concrete streaming-speed reference point
  • Time to first token measured at roughly 1.4 seconds, a figure that can be compared directly against other catalogued chat models
  • Part of Alibaba's Qwen line, a family with a broad public track record and multiple deployment options
  • Chat-tuned for instruction following and multi-turn dialogue rather than requiring prompt engineering around a base model
  • Independent third-party benchmarking data is available, rather than only vendor-reported figures
  • Positioned as a "Flash" variant, a naming convention Alibaba has used for responsiveness-oriented serving configurations

Limitations

  • We do not currently track a confirmed context window for this model, so long-document workloads need verification against provider documentation
  • No confirmed accuracy benchmarks (reasoning, coding, or math scores) are tracked for this entry, making quality comparisons against peers difficult
  • Time to first token of roughly 1.4 seconds is a meaningful wait for latency-sensitive interactive interfaces
  • Measured generation speed near 54 tokens per second is moderate; workloads that stream very long responses will feel the pacing
  • Modality support beyond text is not tracked here, so multimodal requirements should be confirmed before adoption
  • Provider availability for this specific variant may be narrower than for more widely hosted Qwen models

Key Features

•Chat and multi-turn dialogue model from Alibaba's Qwen line
•Approximately 53.99 output tokens per second measured generation throughput
•Approximately 1,432 ms measured time to first token
•Instruction-following tuning for assistant-style prompting
•Third-party performance benchmarking via Artificial Analysis
•Streaming response generation for incremental output delivery
•API-based access through hosted inference providers listed on this page

About Qwen3.8-Flash-Next

Qwen3.8-Flash-Next is a conversational (chat) large language model published under Alibaba's Qwen model line. The "Flash" naming in the Qwen series has generally been applied to variants positioned for responsive, general-purpose serving rather than maximum-parameter configurations, and this entry is catalogued here as a chat model intended for instruction following and multi-turn dialogue workloads. The verified performance data we track for Qwen3.8-Flash-Next comes from Artificial Analysis measurements: approximately 53.99 output tokens per second of generation throughput and a time to first token of roughly 1,432 milliseconds. Those two figures describe different parts of the latency experience — the time-to-first-token number reflects how long a caller waits before the first piece of the response appears, while the tokens-per-second figure governs how quickly a long answer streams out once generation begins. For a 500-token reply, the generation phase alone would take on the order of nine seconds at the measured rate, on top of the initial delay. We do not currently track a confirmed context window, modality list, or benchmark accuracy scores for this model, so those characteristics should be verified against Alibaba's own documentation before committing to it for a specific workload. In practice, models in this position are typically deployed for assistant-style chat, drafting, summarization, and structured text transformation, where consistent streaming output matters more than peak reasoning depth. Because our confirmed data for Qwen3.8-Flash-Next is limited to serving performance, buyers comparing it against other Qwen variants or third-party chat models should weigh the measured latency profile alongside provider-specific availability shown in the pricing table on this page.

Common Use Cases

Qwen3.8-Flash-Next suits general chat and text-generation workloads where a steady streaming response is acceptable: customer-facing assistants, drafting and rewriting copy, summarizing meeting notes or articles, converting unstructured text into structured formats, and internal knowledge-base Q&A. Its measured throughput of roughly 54 output tokens per second and ~1.4 second time to first token make it a reasonable fit for asynchronous or semi-interactive interfaces — batch content processing, background enrichment jobs, and chat surfaces where a short spinner is tolerable — while ultra-low-latency use cases such as voice interfaces or autocomplete may want a model with a shorter first-token delay. Because we do not track confirmed context window or accuracy benchmark data for this variant, teams evaluating it for long-context retrieval pipelines, complex agentic tool chains, or competitive coding tasks should run their own evaluation against the specific provider deployment before committing.

Frequently Asked Questions

How much does Qwen3.8-Flash-Next cost?

Pricing varies by provider and by pricing type — input tokens, output tokens, and any cached or batch rates are typically billed separately, and different hosts set different rates for the same model. Check the pricing table on this page for current per-provider figures rather than relying on a fixed number, since rates change frequently.

What is Qwen3.8-Flash-Next best used for?

It is a chat model, so it fits assistant-style dialogue, summarization, drafting, rewriting, and text-to-structured-data transformation. Its measured throughput of about 54 output tokens per second and roughly 1.4 second time to first token make it workable for streaming chat interfaces and batch text processing, while very latency-sensitive applications may prefer a model with a faster first-token response.

How fast is Qwen3.8-Flash-Next?

Artificial Analysis measured approximately 53.99 output tokens per second of generation throughput and a time to first token of about 1,432 milliseconds. In practice that means a short reply begins appearing after roughly a second and a half, then streams at a moderate pace. Actual results depend on the hosting provider, prompt length, and current load.

Who created Qwen3.8-Flash-Next, and what family is it part of?

It comes from Alibaba and belongs to the Qwen model line. The "Flash" designation in that line has generally been used for variants tuned toward responsive serving rather than maximum parameter count.

What context window does Qwen3.8-Flash-Next support?

We do not currently track a confirmed context window for this specific variant. If your workload depends on long documents or extended conversation history, verify the supported limit with the provider you plan to use — hosted deployments of the same model sometimes cap context below the model's maximum.