losclouds
Model · OpenAI

GPT-3.5 Turbo 16k

This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up to Sep 2021.

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$3.00 / 1M tokens
Output$4.00 / 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
functionCallingstructuredOutputs

References

Official Links

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

Official model links
ReferenceURL
Introhttps://openrouter.ai/openai/gpt-3.5-turbo-16k
Docshttps://openrouter.ai/openai/gpt-3.5-turbo-16k
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-3.5 Turbo 16kopenai-gpt-3-5-turbo-16kActiveAug 28, 2023——Model available via OpenRouter.

Surfaces

Host Coverage

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

Host coverage
HostTypeContextPricing NoteDifferences
OpenRouteraggregator16.4K$3.00/1M in · $4.00/1M 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 28, 2023family_addedGPT-3.5 Turbo 16k publishedModel made available via OpenRouter.OpenRouter

From OpenAI

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