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Qwen · Language model

Qwen3.5-27B

qwen/qwen3.5-27b
  • Language
Released Feb 25, 2026

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance. Its overall capabilities are comparable to those of...

Specifications

Context window
262,144 tokens
Max output
65,536 tokens
Input
text, image, video
Output
text
Reasoning
supported
Tokenizer
Qwen3

Supported parameters

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

  • frequency_penalty
  • logit_bias
  • logprobs
  • max_tokens
  • min_p
  • presence_penalty
  • reasoning
  • repetition_penalty
  • 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/qwen3.5-27b","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'