Qwen: Qwen3 1.7B (free)

qwen/qwen3-1.7b:free

Created Apr 30, 202532,000 context

$0/M input tokens$0/M output tokens

Qwen3-1.7B is a compact, 1.7 billion parameter dense language model from the Qwen3 series, featuring dual-mode operation for both efficient dialogue (non-thinking) and advanced reasoning (thinking). Despite its small size, it supports 32,768-token contexts and delivers strong multilingual, instruction-following, and agentic capabilities, including tool use and structured output.

Providers for Qwen3 1.7B (free)

OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.

Apps using Qwen3 1.7B (free)

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Recent activity on Qwen3 1.7B (free)

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Uptime stats for Qwen3 1.7B (free)

Uptime stats for Qwen3 1.7B (free) across all providers

Sample code and API for Qwen3 1.7B (free)

OpenRouter normalizes requests and responses across providers for you.

OpenRouter provides an OpenAI-compatible completion API to 300+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

Using third-party SDKs

For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.