Qwen3-8B Free API on SiliconFlow

Free API

Available from SiliconFlow

★★★★★★★★★★ 3.5 Benchmark-backed score

Qwen instruction model for multilingual chat, reasoning, and tool use

Free APIOpenAI compatibleReasoningTool callingJSON modeTextReasoning

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://api.siliconflow.cn/v1

Model ID

Qwen/Qwen3-8B

API format OpenAI Chat Completions

Technical Details

Qwen3-8B specifications

Provider catalog

Context window 128K

Max output 131K

Status Online

Family qwen3-8b

Released Apr 28, 2025

Last updated Oct 10, 2026

Free listing since Apr 30, 2025

Input text, reasoning

Output text

Capabilities reasoning, tool calling, structured output

AI Recommendation

Should you use Qwen3-8B?

Qwen3-8B is listed for chat workloads and supports a 128K context window.

Use it when SiliconFlow's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Reasoning mode listed
Tool calling support
Structured JSON output

Watch outs

Free-tier rate limits apply
Vision support is not listed

Benchmark Overview

Benchmark signals for Qwen3-8B

Measured data

Intelligence General reasoning and instruction following

6/100

Coding Programming and code generation

9/100

Agentic Tool use and multi-step tasks

0.8/100

Speed Observed generation speed

42 tok/s

Context Maximum listed context window

128K

Pricing

Qwen3-8B pricing per 1M tokens

Free tier listed

Input $0.18 per 1M tokens

Output $0.7 per 1M tokens

Access Available SiliconFlow

Rate limit 1,000 RPM, 50,000 TPM provider policy

Availability

Qwen3-8B availability by provider

Current provider only

We only found this qwen3-8b listing on SiliconFlow in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
SiliconFlow	Qwen/Qwen3-8B	Free tier	128K	OpenAI-style	1,000 RPM, 50,000 TPM

View SiliconFlow setup guide →

Compare

Qwen3-8B alternatives to consider

Open comparison

Model	Provider	Context	Access
Abbreviation	SiliconFlow	131K	Free tier
deepseek-ai/DeepSeek-R1-Distill-Qwen-7B	SiliconFlow	131K	Check provider
deepseek-ai/DeepSeek-OCR	SiliconFlow	131K	Check provider

Typical Use Cases

Qwen3-8B use cases

Chat

Qwen3-8B is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Qwen3-8B free API FAQ

Is Qwen3-8B free to use?

Qwen3-8B is listed with free API access on SiliconFlow, subject to the provider's quota and account policy.

What is the Qwen3-8B model ID?

The model ID shown in this catalog is Qwen/Qwen3-8B.

What are the Qwen3-8B free tier rate limits on SiliconFlow?

The listed free tier limit is 1,000 RPM, 50,000 TPM. Limits can change per account tier, so confirm against the provider dashboard.

What context window does Qwen3-8B support?

The listed context window is 128K tokens with up to 131K output tokens.

More about Qwen3-8B