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Qwen3.8 Flash pricing and routing profile

Qwen3.8 Flash from Qwen (Alibaba) lists at $0.15 per million input tokens and $0.47 per million output tokens, with a 1,000,000-token context window. Prices from OpenRouter's catalogue on 2026-09-28.

Input, per 1M tokens$0.15
Output, per 1M tokens$0.47
Cached input, per 1M$0.016
Context window1M
Confidence signalAvailable

Tool callingStructured outputReasoning controlLog probabilities

Cost per 1,000 requests

Request shapeList cost
Classification or routing (600 tokens in, 10 out)$0.0947
Chat reply (2,000 in, 400 out)$0.488
Retrieval-augmented answer (8,000 in, 500 out)$1.44

Before prompt caching. Try your own shape in the cost calculator.

Can Gimbix route to it first?

Yes. 1 of 1 tracked hosts return token log probabilities for Qwen3.8 Flash, which is the confidence signal Gimbix uses to let a cheaper model answer first.

Measured by Gimbix

On 400 real BANKING77 customer messages, Qwen3.8 Flash answered 316 correctly (95% interval 74.7%–82.7%), with 0 invalid answers, at $0.0466 per 1,000 requests and a median of 1,041 ms. See all 22 models.

Who serves Qwen3.8 Flash

HostInput / output per 1MLog probabilitiesUptime, last 30 min
Alibaba$0.15 / $0.47yes99.8%

A host that lists log probabilities may still omit them; Gimbix checks each one before relying on it.

Cheaper models that can answer first

Models priced below Qwen3.8 Flash that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.

ModelInput / output per 1MCheaper on a chat reply
Qwen3 VL 8B Instruct$0.117 / $0.45515%
DeepSeek V4 Flash 0423$0.14 / $0.2820%
Qwen3 VL 32B Instruct$0.104 / $0.41623%
Nemotron 3 Super$0.08 / $0.4530%
Gemma 3 27B$0.08 / $0.4530%
Qwen3 14B$0.12 / $0.2431%

Compare Qwen3.8 Flash

Questions

How much does Qwen3.8 Flash cost?

Qwen3.8 Flash lists at $0.15 per million input tokens and $0.47 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $0.488 per 1,000 requests.

What is the context window of Qwen3.8 Flash?

1,000,000 tokens.

Can a cheaper model replace Qwen3.8 Flash?

Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Qwen3.8 Flash on one half of your requests and make at most three answers worse on the other.