compare/Gemini 3.1 ProvsQwen 3.5 397B A17B

Gemini 3.1 Pro 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.
 Gemini 3.1 Pro
google/gemini-3.1-pro
Qwen 3.5 397B A17B
alibaba/qwen3.5-397b-a17b
ProviderGoogleAlibaba
FamilyGemini 3Qwen
Modalitytexttext
Context window1,000,000 tok262,144 tok
Max output65,536 tok4,096 tok
Released2026-04-132026-04-15
Input price$2.00 /1M$0.600 /1M
Output price$12.00 /1M$3.60 /1M
Cache read$0.200 /1M
Toolsyesyes
Streamingyesyes
Visionyes
JSON modeyesyes
Reasoningyesyes
Prompt cachingyes
Gemini 3.1 Pro
google/gemini-3.1-pro
Full spec →

Google's most intelligent Gemini model with improved reasoning, a medium thinking level, and a 1M token context window.

Strengths
  • 2M-token context
  • Native video + audio input
  • Cheapest long-context reasoning
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 Gemini 3.1 Pro
client.chat.completions.create(
    model="google/gemini-3.1-pro",
    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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