compare/Qwen3.8 MaxvsQwen 3.5 397B A17B

Qwen3.8 Max vs Qwen 3.5 397B A17B

Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

RUN BOTH LIVE

Paste a prompt. Watch them race.

Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.

Sign in to runLive streaming uses your own key. It's free to sign up.
 Qwen3.8 Max
alibaba/qwen3.8-max
Qwen 3.5 397B A17B
alibaba/qwen3.5-397b-a17b
ProviderAlibabaAlibaba
FamilyQwenQwen
Modalitytexttext
Context window1,000,000 tok256,000 tok
Max output4,096 tok32,768 tok
Released2026-08-032026-05-14
Input price$2.00 /1M$0.600 /1M
Output price$6.00 /1M$3.60 /1M
Cache read
Toolsyesyes
Streamingyesyes
Visionyes
JSON modeyesyes
Reasoningyesyes
Prompt caching
Qwen3.8 Max
alibaba/qwen3.8-max
Full spec →

Alibaba's Qwen 3.8 Max is a 2.4-trillion-parameter MoE flagship built for professional-grade coding and long-horizon autonomous work, capable of delivering complete, production-grade projects spanning 10+ days across legal, financial, design, and other specialized domains. Native visual understanding of images and extended video runs through the full plan-execute-verify cycle, served via DashScope's OpenAI-compatible endpoint.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Qwen 3.5 397B A17B
alibaba/qwen3.5-397b-a17b
Full spec →

Alibaba's Qwen 3.5 is a 397B-parameter mixture-of-experts model with 17B active parameters, offering strong reasoning capabilities with efficient inference.

Strengths
  • MoE efficiency: 17B active of 397B
  • Strong reasoning at low cost
  • 262k context
SWITCH BETWEEN THEM

One key, both models, one line different.

# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Try Qwen3.8 Max
client.chat.completions.create(
    model="alibaba/qwen3.8-max",
    messages=[{"role":"user","content":"hello"}],
)

# Try Qwen 3.5 397B A17B — same client, same key
client.chat.completions.create(
    model="alibaba/qwen3.5-397b-a17b",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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