losclouds
Model · OpenAI

GPT-5 Nano

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to

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$0.05 / 1M tokens
Output$0.40 / 1M tokens
Cached read$0.01 / 1M tokens
SourceOpenRouter
VerifiedApr 5, 2026 (High)

Surface

Capabilities

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

Model capabilities
AttributeValues
Modalities
textimagefile
to
text
Capabilities
reasoningimageInputpromptCachingfunctionCallingstructuredOutputs

References

Official Links

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

Official model links
ReferenceURL
Introhttps://openrouter.ai/openai/gpt-5-nano
Docshttps://openrouter.ai/openai/gpt-5-nano
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-5 Nanoopenai-gpt-5-nanoActiveAug 7, 2025——Model available via OpenRouter.

Surfaces

Host Coverage

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

Host coverage
HostTypeContextPricing NoteDifferences
OpenRouteraggregator400.0K$0.05/1M in · $0.40/1M 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 7, 2025family_addedGPT-5 Nano publishedModel made available via OpenRouter.OpenRouter

From OpenAI

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