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Qwen · Model

Qwen3.8 27B pricing, context window and specs

Qwen3.8 27B costs $0.24 per million input tokens and $2.20 per million output tokens, and reads up to 262,144 tokens per request. By blended price it is number 8 of Qwen’s 12 current models here, counting from the cheapest.

Input / 1M
$0.24
Output / 1M
$2.20
Cached / 1M
$0.05
Context
262,144
Max output
Not published
Released
2026-08-14

Estimate your cost with Qwen3.8 27BCompare all Qwen modelsCount tokens for Qwen3.8 27B

Pricing

Qwen3.8 27B API pricing

Price per 1M tokensInputOutput
Standard$0.24$2.20
Cached input (read)$0.05–

Output costs 9.2× the input price, so long replies drive the bill more than long prompts. If your requests share a long fixed prefix, such as a system prompt or tool definitions, caching cuts that part to 21% of the normal input price.

Examples

What Qwen3.8 27B costs in practice

WorkloadTokens in / outRequests/dayPer requestPer month
Support chatbot50% cached1,500 / 4001,000$0.0011$33.38
RAG app20% cached6,000 / 500500$0.00231$35.16
Coding agent80% cached40,000 / 2,000200$0.00792$48.18
Document summariser8,000 / 600300$0.00324$29.57

Change any number in the cost calculator.

Context

Context window

Qwen3.8 27B accepts up to 262,144 tokens per request, roughly 196,608 English words or 393 pages. That budget is shared between your prompt and the reply, and no separate cap on the reply is published.

Filling the whole window with one prompt costs about $0.0629 at list price, so for repeated long-document work, retrieval (sending only the relevant parts) or prompt caching is usually much cheaper.

Check whether your text fits Qwen3.8 27B’s window.

Features

Capabilities

Image input
Yes
Tool / function calling
Yes
Reasoning mode
Yes
Prompt caching
Yes
Structured output
Yes
Open weights
Yes
Accepts
text, image, video
Knowledge cutoff
Not published

As declared by the provider’s API. It shows a feature exists, not how well it works.

API

Qwen3.8 27B model ID

OpenRouter
qwen/qwen3.8-27b
Open weights
Qwen/Qwen3.8-27B

Use the OpenRouter ID when calling it through OpenRouter; Qwen’s own API may name it differently. See the model ID reference for the providers we document. See how much VRAM Qwen 3.8 27B needs to run locally.

Qwen

Where Qwen3.8 27B sits in Qwen’s line-up

Ranked by blended price (three parts input to one part output, $0.73 per 1M for Qwen3.8 27B), it is number 8 of Qwen’s 12 current models here, counting from the cheapest. One step down, Qwen3.5-122B-A10B costs $0.715 blended (2% less). One step up, Qwen3.5 397B A17B costs $1.275 (1.7× as much). It has the same published limits and features as Qwen3.8 27B. See every Qwen model and price

ModelInput / 1MOutput / 1MContextReleased
Qwen3.5-9B$0.10$0.15256,0002026-03-10
Qwen3.8 Flash$0.15$0.471,000,0002026-08-26
Qwen3.8 Omni Flash$0.15$0.471,000,0002026-09-21
Qwen3 Coder Next$0.12$0.80262,1442026-02-04
Qwen3.6 35B A3B$0.15$1262,1442026-04-27
Qwen3.7 Plus$0.32$1.281,000,0002026-06-03
Qwen3.5-122B-A10B$0.26$2.08262,1442026-02-25
Qwen3.8 27B (this page)$0.24$2.20262,1442026-08-14
Qwen3.5 397B A17B$0.50$3.60262,1442026-02-16
Qwen3.8 2.4T A95B$2$61,000,0002026-08-12
Qwen3.8 Max (0902)$2$61,000,0002026-09-03
Qwen3.8 Max Prime$4$121,000,0002026-09-23

Qwen’s current models with a page here, cheapest first. Older and superseded models are listed on the provider page and in the comparison table.

History

Earlier versions of Qwen3.8 27B

The previous model in this line is Qwen3.6 27B, first listed on 2026-04-27. Compared with it, Qwen3.8 27B’s input price is 25% lower and its output price is 31% lower.

ModelInput / 1MOutput / 1MContextReleased
Qwen3.6 27B$0.32$3.20262,1442026-04-27
Qwen3.5-27B$0.26$2.60262,1442026-02-25

Earlier releases with the same name and size in our data, newest first. Dates are when our source first listed each model.

Save

Cheaper alternatives

Current models from major providers, one per provider, that keep image input, tool calling, a reasoning mode, a usable context window and output limit. Compared by blended price.

Compare

Similarly priced models

Current models from other major providers, closest blended price.

FAQ

Qwen3.8 27B questions

How much does Qwen3.8 27B cost?

Qwen3.8 27B costs $0.24 per million input tokens and $2.20 per million output tokens, with cached input at $0.05. A typical chatbot reply (1,500 tokens in, 400 out) costs about $0.00124. Use the LLM cost calculator for your own workload.

What is Qwen3.8 27B’s context window?

262,144 tokens, about 196,608 English words or 393 printed pages, shared between your prompt and the reply. No separate limit on the reply is published, so the window is the limit.

Does Qwen3.8 27B support prompt caching and batch requests?

Yes, cached input is billed at $0.05 per million tokens (21% of the normal input price). No batch price is published for it.

What are cheaper alternatives to Qwen3.8 27B?

With the same essentials (image input and tool calling), the cheapest options are Qwen3.5-9B (85% cheaper), Seed 1.6 Flash (82% cheaper), Gemma 4 26B A4B (80% cheaper). Cheaper doesn’t mean equivalent, so test them on your own prompts.

What is the API model ID for Qwen3.8 27B?

On OpenRouter it is qwen/qwen3.8-27b. Qwen’s own API may use a different name, so check its model list before you deploy. Pass the ID as the model value in each request.

What did Qwen3.8 27B replace?

The previous Qwen model in the same line is Qwen3.6 27B, first listed on 2026-04-27. Compared with it, Qwen3.8 27B’s input price is 25% lower and its output price is 31% lower. Prices are only part of the picture, so test the newer model on your own prompts before switching.

Is Qwen3.8 27B open source?

Yes, Qwen3.8 27B has open weights, so you can run it yourself or choose between several hosting providers. The prices here are a typical hosted price.

Updated

Sources: OpenRouter models API and LiteLLM model prices and context windows, checked daily; open-weight prices are typical hosted prices. Confirm critical numbers on Qwen’s pricing page. See our methodology.