GPT-OSS 20B pricing and alternatives

Paid / limited

Available from Groq

★★★★★★★★★★ 3.5 Benchmark-backed score

Open-weight GPT model for self-hosted reasoning and instruction-following workloads

Paid / limitedOpenAI compatibleReasoningTool callingJSON modeTextReasoning

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Context window 131K

Max output 66K

API format OpenAI-style

Status Online

AI Recommendation

Should you use GPT-OSS 20B?

GPT-OSS 20B is listed for chat workloads and supports a 131K context window.

Use the comparison and availability sections before choosing this listing, because it is not currently marked as free.

Best for

Chat

Strengths & Weaknesses

Strengths

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

Watch outs

No current free listing on this provider
Free-tier rate limits apply
Vision support is not listed

Benchmark Overview

Benchmark signals for GPT-OSS 20B

Measured data

Intelligence General reasoning and instruction following

14.9/100

Coding Programming and code generation

20.7/100

Agentic Tool use and multi-step tasks

3.1/100

Speed Observed generation speed

232 tok/s

Context Maximum listed context window

131K

Model Metadata

GPT-OSS 20B model ID and technical details

Provider catalog

Model ID openai/gpt-oss-20b

Released Aug 5, 2025

Last updated Jul 7, 2026

Free listing since Aug 5, 2025

Input text, reasoning

Output text

Capabilities reasoning, tool calling, structured output

Pricing

GPT-OSS 20B pricing per 1M tokens

Provider pricing

Input $0.05 per 1M tokens

Output $0.2 per 1M tokens

Free access Not listed Groq

Rate limit See provider page provider policy

Availability

GPT-OSS 20B availability by provider

Current provider only

We only found this GPT-OSS 20B listing on Groq in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
Groq	GPT-OSS 20B	Paid	131K	OpenAI-style	See provider page

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Compare

GPT-OSS 20B alternatives to consider

Open comparison

Model	Provider	Context	Access
Moonshot Kimi K2	Groq	131K	Check provider
Moonshot Kimi K2 0905	Groq	131K	Check provider
llama-3.3-70b-versatile	Groq	131K	Free tier
llama-3.1-8b-instant	Groq	131K	Free tier
llama-4-scout-17b-16e-instruct	Groq	131K	Free tier

Typical Use Cases

GPT-OSS 20B use cases

Chat

GPT-OSS 20B is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

GPT-OSS 20B free API FAQ

Is GPT-OSS 20B free to use?

GPT-OSS 20B is not currently marked as free on Groq.

What is the GPT-OSS 20B model ID?

The model ID shown in this catalog is openai/gpt-oss-20b.

What context window does GPT-OSS 20B support?

The listed context window is 131K tokens with up to 66K output tokens.

More about GPT-OSS 20B