Claude Haiku is Anthropic's language model with a 1.0M context window and up to 128K output tokens, starting at $0.1 / 1M input and $0.5 / 1M output. A lightweight, fast-tier Claude model designed for low-latency, cost-efficient tasks that always routes to the latest Haiku release.
Specifications
Canonical IDanthropic-claude-haiku
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Providers
Context Window1.0M tokens
Max Output128K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 6 months ago

Capabilities

Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Web Search
$ / request
OpenRouter logo
OpenRouter
~anthropic/claude-haiku-latest
$0.1$0.5$0.01$0.125$0.010

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Haiku 5.51.0M$0.100$0.500Available
Claude Haiku 5.5 Batch—1.0M——Available
Claude Haiku 4.5200K$1.00$5.00Deprecating
Claude Haiku 4.5————Available
Claude Haiku 3.5200K$0.800$4.00Deprecated
Claude Haiku 3200K$0.250$1.25Deprecated
Claude Haiku1.0M$0.100$0.500Current

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Sonnet 5.5Sonnet1.0M$2.00$10.00
Claude Opus 5.5Opus1.0M$4.00$20.00
Claude Fable 5.1—1.0M$10.00$50.00
Claude Opus 5Opus1.0M$5.00$25.00
Claude Sonnet 5Sonnet1.0M$2.00$10.00
Claude Fable 5Fable1.0M$10.00$50.00
Claude Fable 5.3Fable————
Claude Mythos 5Mythos—1.0M$10.00$50.00
Claude Mythos 5.1Mythos—1.0M$10.00$50.00
Claude Sonnet 5.5 BatchSonnet—1.0M——

Model IDs

~anthropic/claude-haiku-latest
anthropic-claude-haiku
openrouter/~anthropic/claude-haiku-latest