Claude Haiku 4.5

Current fast Anthropic family for agents, classification, and chat.

Pricing

Model Overview

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

Surface

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

Model capabilities
Attribute	Values
Modalities	textimage to text
Capabilities	imageInputbatchSupportpromptCachingfunctionCallingstructuredOutputs
Strengths	Fastest Anthropic tier, Cheap output
Tradeoffs	Smaller context than Sonnet beta tier

References

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

Official model links
Reference	URL
Intro	https://www.anthropic.com/news/claude-haiku-4-5
Docs	https://docs.anthropic.com/en/docs/about-claude/models/all-models
Pricing	https://docs.anthropic.com/en/docs/about-claude/pricing
Release note	https://docs.anthropic.com/en/docs/about-claude/model-deprecations

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
Claude Haiku 4.5	claude-haiku-4-5	Active	Jan 15, 2026	—	—	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
Anthropic API	first-party	200.0K	Reference pricing and newest rollouts.	Prompt caching

Migration

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

Migration guidance
Topic	Details
Summary	Fast cost tier for users moving down from Sonnet.
Replacement models	claude-sonnet-4-6

Timeline

Cataloged model-family updates and source references.

Change events
Date	Type	Title	Description	Source
Jan 15, 2026	family_added	Claude Haiku 4.5 published	Initial public model family launch.	Claude Haiku 4.5 release notes

From Anthropic