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ReasoningAvailable now
GLM 5.3 FlashFlash
Frontier-class reasoning, a fraction of the cost.
MIT-licensed and natively multimodal: a 320B-A18B reasoning MoE with 1M-token context, tuned for long-horizon coding agents.
Good for
- 01Fast, efficient premium reasoning for agents and coding.
- Coding
- AI agents
- Data & analytics
Premium reasoning when your workloads demand more. Scale with transparent token-based pricing.
Key facts
- Model origin
- GLM
- Context window
- 1M tokens
- Size
- 320B MoE · 18B active
- Modalities
- text + image
- API model id
- glm-5.3-flash
- Availability
- EUUSALATAM
Your data boundary
Prompts and outputs are not stored by default. Knowledge or Memory data that your organization intentionally persists is encrypted, pinned to the selected region, isolated to authorized organizational scopes, and never used to train shared or third-party models.
Try it from your region · EU
# Region endpoint — OpenAI-compatible /v1 base URL (https://api.eu.ccsio.ai/v1)
export CCSIO_AI_API_KEY=<your-api-key> # placeholder, issued with your region
import os
from openai import OpenAI # the standard OpenAI client
client = OpenAI(
base_url="https://api.eu.ccsio.ai/v1", # the routed market's API URL
api_key=os.environ["CCSIO_AI_API_KEY"],
)
response = client.chat.completions.create(
model="qwen3.8-flash-next", # Qwen 3.8; GET /v1/models lists every model
messages=[{"role": "user", "content": "Hello"}],
)Works well with
ReasoningAvailable nowGLM 5.3Advanced reasoning & agentic codingChatAvailable nowQwen 3.8Enterprise chat, coding & 1M contextReasoningAvailable nowDeepSeek V4.1 Flash 1017Premium reasoning for complex challenges
More models
Qwen 3.8DeepSeek V4.1 Flash 1017GLM 5.3Clefmxbai-embed-large v1Qwen3 Embedding 0.6BWhisper large v3KokoroFLUX.2 [klein]
Included unlimited* on every plan*
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Start with control
Create your account and pick the region your data must stay in.