losclouds
Model · OpenAI

o1

First-generation o-series reasoning model; deprecated in favour of o3.

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$15.00 / 1M tokens
Output$60.00 / 1M tokens
Cached read$7.50 / 1M tokens
Batch discount50%
Sourceo1 pricing
VerifiedApr 5, 2026 (High)

Surface

Capabilities

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

Model capabilities
AttributeValues
Modalities
textimage
to
text
Capabilities
reasoningimageInputbatchSupportpromptCachingfunctionCallingstructuredOutputs
StrengthsPioneer reasoning model
TradeoffsVery expensive, deprecated

References

Official Links

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

Official model links
ReferenceURL
Introhttps://openai.com/index/learning-to-reason-with-llms/
Docshttps://developers.openai.com/api/docs/models
Pricinghttps://platform.openai.com/docs/pricing/
Release notehttps://help.openai.com/en/articles/9624314-model-release-notes

Coverage

Benchmark Coverage

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

Benchmark coverage
BenchmarkVersionScoreDateSourceNotes
GPQA Diamond202477.3 %Dec 1, 2024OpenAIVendor-reported
AIME 2024202479.2 %Dec 1, 2024OpenAIVendor-reported

Lifecycle

Release History

Lifecycle transitions and release timeline for this model family.

Release history
ReleaseAliasLifecycleRelease DateDeprecationShutdownSummary
o1o1DeprecatedDec 17, 2024——Current published model family snapshot.

Surfaces

Host Coverage

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

Host coverage
HostTypeContextPricing NoteDifferences
OpenAI APIfirst-party200.0KDeprecated; migrate to o3.—

Migration

Migration Guidance

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

Migration guidance
TopicDetails
SummaryMigrate to o3 for better performance at lower cost.
Replacement modelso3

Timeline

Change Events

Cataloged model-family updates and source references.

Change events
DateTypeTitleDescriptionSource
Dec 17, 2024family_addedo1 publishedInitial public model family launch.o1 release notes

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