GPT-OSS 20B on Together AI

Cheap Together AI hosted GPT-OSS tier for structured outputs, tool use, and high-volume chat.

Pricing

Model Overview

Tracked token-pricing fields for this model family. Empty pricing fields stay hidden until the source publishes them.

Model pricing
Price field	Value
Input	$0.05 / 1M tokens
Output	$0.20 / 1M tokens
Source	GPT-OSS 20B on Together AI pricing
Verified	Apr 2, 2026 (High)

Surface

Input and output modalities, enabled feature flags, strengths, and tradeoffs.

Model capabilities
Attribute	Values
Modalities	text to text
Capabilities	reasoningbatchSupportpromptCachingfunctionCallingstructuredOutputs
Strengths	Very cheap hosted reasoning, High-volume friendly
Tradeoffs	Lower ceiling than larger hosted open models

References

Canonical launch, documentation, pricing, and release-note URLs.

Official model links
Reference	URL
Intro	https://docs.together.ai/docs/serverless-models
Docs	https://docs.together.ai/docs/serverless-models
Pricing	https://docs.together.ai/docs/serverless-models
Release note	https://docs.together.ai/docs/changelog

Coverage

Reported benchmark families, versions, scores, sources, and notes.

Benchmark coverage
Benchmark	Version	Score	Date	Source	Notes

Lifecycle

Lifecycle transitions and release timeline for this model family.

Release history
Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
GPT-OSS 20B on Together AI	together-gpt-oss-20b	Active	Aug 1, 2025	—	—	Current published model family snapshot.

Surfaces

Provider-specific hosting, context, pricing notes, feature differences, and provider-status context.

Host coverage
Host	Type	Context	Pricing Note	Differences
Together AI Serverless	first-party	128.0K	Hosted model via Together AI serverless catalog.	Serverless hosting

Migration

Documented migration summary, successor families, and known breaking changes.

Migration guidance
Topic	Details
Summary	Budget hosted reasoning tier for Together AI workloads.
Replacement models	together-gpt-oss-120b

Timeline

Cataloged model-family updates and source references.

Change events
Date	Type	Title	Description	Source
Aug 1, 2025	family_added	GPT-OSS 20B on Together AI published	Initial public model family launch.	GPT-OSS 20B on Together AI release notes

From Together AI