Compare

Qwen 3.5 397B A17B vs Bytedance Seedance 2.0 (Text To Video)

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
Provider
Alibaba
ByteDance
Family
Qwen
Modality
text
video
Context window
262,144 tok
Max output
4,096 tok
Released
2026-04-15
2026-05-17
License
Open-weight
Open-weight
Input price
$0.600 /1M
Output price
$3.60 /1M
Per output second
$0.014 /sec
Tools
yes
Streaming
yes
Vision
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
Bytedance Seedance 2.0 (Text To Video)
bytedance/seedance-2.0
Full spec →

ByteDance's next-generation video model with a unified multimodal architecture. Generates high-quality video with synchronized audio from text, images, video clips, and audio inputs. Supports multimodal references (up to 9 images, 3 videos, 3 audio files), native audio generation, video editing, video extension, intelligent duration, and adaptive aspect ratio.

Strengths
  • Text-to-video generation
  • Cinematic motion
Use cases
AdsStoryboardsDemos

Compare with another

GPT-5.5 Pro vs Bytedance Seedance 2.0 (Text To Video)
openai/gpt-5.5-pro · bytedance/seedance-2.0
GPT-5.5 Pro vs Qwen 3.5 397B A17B
openai/gpt-5.5-pro · alibaba/qwen3.5-397b-a17b
GPT-5.5 vs Bytedance Seedance 2.0 (Text To Video)
openai/gpt-5.5 · bytedance/seedance-2.0
GPT-5.5 vs Qwen 3.5 397B A17B
openai/gpt-5.5 · alibaba/qwen3.5-397b-a17b
Claude Opus 4.7 vs Bytedance Seedance 2.0 (Text To Video)
anthropic/claude-opus-4.7 · bytedance/seedance-2.0
Claude Opus 4.7 vs Qwen 3.5 397B A17B
anthropic/claude-opus-4.7 · alibaba/qwen3.5-397b-a17b
Claude Sonnet 4.6 vs Bytedance Seedance 2.0 (Text To Video)
anthropic/claude-sonnet-4.6 · bytedance/seedance-2.0
Claude Sonnet 4.6 vs Qwen 3.5 397B A17B
anthropic/claude-sonnet-4.6 · alibaba/qwen3.5-397b-a17b
Grok 4 vs Bytedance Seedance 2.0 (Text To Video)
xai/grok-4 · bytedance/seedance-2.0
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"}],
)

# Bytedance Seedance 2.0 (Text To Video)
client.chat.completions.create(
    model="bytedance/seedance-2.0",
    messages=[{"role":"user","content":"hello"}],
)
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