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DevPass (LLM Gateway)

GPT OSS 20B API

DevPass (LLM Gateway)
About

Build advanced reasoning agents with GPT OSS 20B, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.05/1M input and $0.20/1M output tokens, native tool calling support. Access GPT OSS 20B via the DevPass (LLM Gateway) API with up to 33K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
131K

Tokens

Input Limit
131K

Tokens

Max Output
33K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.05
Output
$0.20
Frequently Asked Questions

GPT OSS 20B by DevPass (LLM Gateway) costs $0.05 per 1M input tokens and $0.20 per 1M output tokens.

Model Details
ID
gpt-oss-20b
Provider
DevPass (LLM Gateway)
Family
gpt-oss
Release Date
Aug 5, 2025
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1
Documentation