losclouds
Model · OpenAI

gpt-oss-120b

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B par

Pricing

Model Overview

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

Model pricing
Price fieldValue
Input$0.00 / 1M tokens
Output$0.00 / 1M tokens
SourceOpenRouter
VerifiedApr 5, 2026 (High)

Surface

Capabilities

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

Model capabilities
AttributeValues
Modalities
text
to
text
Capabilities
reasoningfunctionCalling

References

Official Links

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

Official model links
ReferenceURL
Introhttps://openrouter.ai/openai/gpt-oss-120b
Docshttps://openrouter.ai/openai/gpt-oss-120b
Pricinghttps://openrouter.ai/models

Coverage

Benchmark Coverage

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

Benchmark coverage
BenchmarkVersionScoreDateSourceNotes

Lifecycle

Release History

Lifecycle transitions and release timeline for this model family.

Release history
ReleaseAliasLifecycleRelease DateDeprecationShutdownSummary
gpt-oss-120bopenai-gpt-oss-120b-freeActiveAug 5, 2025——Model available via OpenRouter.

Surfaces

Host Coverage

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

Host coverage
HostTypeContextPricing NoteDifferences
OpenRouteraggregator131.1K$0.00/1M in · $0.00/1M out via OpenRouter—

Migration

Migration Guidance

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

Migration guidance
TopicDetails
Summary

Timeline

Change Events

Cataloged model-family updates and source references.

Change events
DateTypeTitleDescriptionSource
Aug 5, 2025family_addedgpt-oss-120b publishedModel made available via OpenRouter.OpenRouter

From OpenAI

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