Compare

Qwen 3.5 397B A17B vs Gemini 2.5 Flash

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Qwen 3.5 397B A17B
alibaba/qwen3.5-397b-a17b
Gemini 2.5 Flash
google/gemini-2.5-flash
Provider
Alibaba
Google
Family
Qwen
Modality
text
text
Context window
262,144 tok
1,000,000 tok
Max output
32,768 tok
8,192 tok
Released
2026-05-22
2026-05-22
License
Open-weight
Proprietary
Input price
$0.600 /1M
$0.300 /1M
Output price
$3.60 /1M
$2.50 /1M
Tools
yes
Streaming
yes
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
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
Use cases
Production chatMulti-lingualCost-sensitive reasoning
Gemini 2.5 Flash
google/gemini-2.5-flash
Full spec →

Google's fast multimodal Gemini 2.5 model with strong reasoning and a 1M token context window.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Claude Opus 4.8 vs Qwen 3.5 397B A17B
anthropic/claude-opus-4.8 · alibaba/qwen3.5-397b-a17b
Claude Opus 4.8 vs Gemini 2.5 Flash
anthropic/claude-opus-4.8 · google/gemini-2.5-flash
DeepSeek V4 Pro vs Qwen 3.5 397B A17B
deepseek/deepseek-v4-pro · alibaba/qwen3.5-397b-a17b
DeepSeek V4 Pro vs Gemini 2.5 Flash
deepseek/deepseek-v4-pro · google/gemini-2.5-flash
MiniMax M3 vs Qwen 3.5 397B A17B
minimax/m3 · alibaba/qwen3.5-397b-a17b
MiniMax M3 vs Gemini 2.5 Flash
minimax/m3 · google/gemini-2.5-flash
Gemini 3.1 Pro vs Qwen 3.5 397B A17B
google/gemini-3.1-pro · alibaba/qwen3.5-397b-a17b
Gemini 3.1 Pro vs Gemini 2.5 Flash
google/gemini-3.1-pro · google/gemini-2.5-flash
Claude Sonnet 4.6 vs Qwen 3.5 397B A17B
anthropic/claude-sonnet-4.6 · alibaba/qwen3.5-397b-a17b
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

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

# Qwen 3.5 397B A17B
client.chat.completions.create(
    model="alibaba/qwen3.5-397b-a17b",
    messages=[{"role":"user","content":"hello"}],
)

# Gemini 2.5 Flash
client.chat.completions.create(
    model="google/gemini-2.5-flash",
    messages=[{"role":"user","content":"hello"}],
)
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