Skip to content

Model detail

qwen3.8-max

Provided by Alibaba
Pay-as-you-go

Qwen3.8 Max is the flagship model in Alibaba's Qwen3.8 series, the general-availability successor to the Qwen3.8 Max Preview. It is a multimodal reasoning model intended for complex reasoning, visual understanding, coding, and agentic workflows.

Model specs

Model ID
qwen3.8-max
Context length
1M
Max output
131.072K
I/O modalities
Released
2026-08

02

API endpoints

One MixRoute gateway, OpenAI-compatible

  • OpenAI-compatible /v1/chat/completions POST

03

Pricing

Flat rate, unit: /1M Tokens

Input

$2.0000 /1M Tokens

Completion

$6.0000 /1M Tokens

Cache read

$0.1700 /1M Tokens

Cache creation

$2.5000 /1M Tokens

05

Selection summary

Quickly judge whether it fits your workload

What is this model good for?

Qwen3.8 Max is the flagship model in Alibaba's Qwen3.8 series

Qwen3.8 Max is the flagship model in Alibaba's Qwen3.8 series, the general-availability successor to the Qwen3.8 Max Preview.

What should you check before using it?

1,000,000 context, 131,072 output tokens

Alibaba model that supports reasoning, tool calling and structured output. Released 2026-08-02.

Why use it through MixRoute?

qwen3.8-max runs tools and structured output here

Tool calling and structured output run on that route as well. MixRoute serves qwen3.8-max on the OpenAI-compatible endpoint /v1/chat/completions; point your existing client at https://api.mixroute.ai/v1 with the model ID qwen3.8-max and re-run your integration tests.

07

Capabilities & compatibility

Unconfirmed capabilities stay "Unknown," no guesses

Available:

Tool calling

qwen3.8-max supports function and tool calls.

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

Structured output

qwen3.8-max can produce JSON-formatted output on demand.

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

Streaming

qwen3.8-max supports streamed responses.

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

Prompt caching

qwen3.8-max supports prompt caching under supported routing conditions.

EX Keep the system prompt and tool definitions at the start of the request; repeated prefixes are automatically billed at the cache-read rate.
Available:

Vision input

qwen3.8-max 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 qwen3.8-max 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

Share of the same prefix read repeatedly, up to 100%

09

FAQ

Before switching production traffic to qwen3.8-max, run a pilot on a representative slice of your traffic and check output quality, latency at peak concurrency, and cost per request. Verify the error and retry behaviour, and confirm the request limits you depend on match your plan.

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.