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Model detail

qwen3.5-27b

Provided by Alibaba
Pay-as-you-go

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 the Qwen3.5-122B-A10B.

Model specs

Model ID
qwen3.5-27b
Context length
262.144K
Max output
65.536K
I/O modalities
Released
2026-02

02

API endpoints

One MixRoute gateway, OpenAI-compatible

  • OpenAI-compatible /v1/chat/completions POST

03

Pricing

Flat rate, unit: /1M Tokens

Input

$0.3000 /1M Tokens

Completion

$2.4000 /1M Tokens

05

Selection summary

Quickly judge whether it fits your workload

What is this model good for?

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance.

What should you check before using it?

262,144 context, 65,536 output tokens

Alibaba model that supports reasoning, tool calling and structured output. Knowledge cutoff: 2025-04. Released 2026-02-23.

Why use it through MixRoute?

qwen3.5-27b runs tools and structured output here

Tool calling and structured output run on that route as well. MixRoute serves qwen3.5-27b on the OpenAI-compatible endpoint /v1/chat/completions; point your existing client at https://api.mixroute.ai/v1 with the model ID qwen3.5-27b and re-run your integration tests.

07

Capabilities & compatibility

Unconfirmed capabilities stay "Unknown," no guesses

Available:

Tool calling

qwen3.5-27b supports function and tool calls.

EX Send a tools definition; the response returns tool_calls to execute and feed results back.
Available:

Structured output

qwen3.5-27b can produce JSON-formatted output on demand.

EX response_format: { type: "json_schema" } forces valid JSON output.
Available:

Streaming

qwen3.5-27b supports streamed responses.

EX stream: true streams tokens incrementally, so chat UIs render as they arrive.
Available:

Vision input

qwen3.5-27b can process image inputs alongside text.

EX Pass a base64-encoded image in a image_url content part alongside text messages.
Available:

OpenAI SDK

Call qwen3.5-27b through MixRoute's OpenAI-compatible endpoint.

EX Change base_url to https://api.mixroute.ai/v1; everything else follows the OpenAI style.

08

Token cost estimator

Live estimate from this page's pricing, not an actual bill

This model has no cache-read price; caching is not counted

09

FAQ

qwen3.5-27b is a reasoning model. Reasoning effort can be tuned per request. Lower effort settings cut reasoning tokens and cost for routine work; reserve higher settings for problems that need deeper search. Measure quality at two or three settings before fixing one in production.

One endpoint, a testable decision

Test this model and alternate routes with the same request format

Start from a real workload, then let quality, total cost, and failure conditions decide whether to send production traffic.