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Qwen · Language model

Qwen3.8 Max (0902)

qwen/qwen3.8-max-0902
  • Language
Released Sep 3, 2026

Qwen3.8 Max 0902 is an updated snapshot of Qwen3.8 Max from Alibaba's Qwen team. It is a 2.4-trillion-parameter mixture-of-experts model that accepts text, image, and video input and returns text,...

Specifications

Context window
1,000,000 tokens
Max output
131,072 tokens
Input
text, image, video
Output
text
Reasoning effort
xhigh, high, medium, low, minimal (always on)
Tokenizer
Qwen

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • frequency_penalty
  • logprobs
  • max_tokens
  • presence_penalty
  • reasoning
  • reasoning_effort
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_logprobs
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"qwen/qwen3.8-max-0902","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'