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SiliconFlow

openai/gpt-oss-20b API

SiliconFlow
About

Process massive datasets with openai/gpt-oss-20b, featuring an expansive 131K context window for long-document analysis. This model delivers cost-effective pricing at $0.04/1M input and $0.18/1M output tokens, native tool calling support. Access openai/gpt-oss-20b via the SiliconFlow API with up to 8K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
No
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
131K

Tokens

Input Limit
131K

Tokens

Max Output
8K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.04
Output
$0.18
Frequently Asked Questions

openai/gpt-oss-20b by SiliconFlow costs $0.04 per 1M input tokens and $0.18 per 1M output tokens.

Model Details
ID
openai/gpt-oss-20b
Provider
SiliconFlow
Family
gpt-oss
Release Date
Aug 13, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
SILICONFLOW_API_KEY
API Base URL
https://api.siliconflow.com/v1
Documentation