Anthropic
Released March 4, 2024Cutoff August 2023

Claude 3 Haiku

Claude 3 Haiku by Anthropic: a compact Claude 3 variant optimized for near-instant responses, 200K-token context window, 4K max output, Aug 2023 cutoff.

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Outputs
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Model Overview

Capabilities, design details, and architectural traits

Claude 3 Haiku - Anthropic compact, low-latency model

Claude 3 Haiku is the compact member of Anthropic's Claude 3 family designed for near-instant responses and high efficiency. It trades top-end generative depth for lower latency and smaller runtime footprint while keeping the large context window used across the Claude 3 family.

TraitDocumented detail that distinguishes Claude 3 Haiku
Identity within familyThe smallest and fastest Claude 3 variant in Anthropic's Claude 3 lineup (Haiku vs Sonnet vs Opus).
Optimization targetExplicitly optimized for near-instant response speed and runtime efficiency.
Context capacityUses the Claude 3 family context window of up to 200,000 tokens/characters as documented for Haiku.
Output limitDocumented maximum single response output capped at 4,000 characters/tokens.
Primary positioningPositioned for use cases needing low latency and lower compute cost compared with larger Claude 3 models.
Official availabilityOffered through Anthropic channels and available on cloud marketplaces (for example, Amazon Bedrock) as the Haiku edition.

Notable model-specific points

  • Compact-speed tradeoff: Haiku is explicitly presented as the compact, low-latency sibling within the Claude 3 family rather than the family’s highest-capability variant.
  • Same large context approach: Despite its compact runtime goal, Haiku retains the Claude 3 family’s very large context capability, making it suitable for applications that need long context with fast responses.

Benchmark Performance

Independent evaluations · Artificial Analysis

5.6%
Intelligence

Accuracy & Capability Details

GPQA - Graduate Science37.4%
Humanity's Last Exam4.1%
SciCode - Scientific Coding18.6%
Instruction Following36.1%
Long Context Reasoning27.7%
τ²-Bench - Agentic Tasks21.1%
TerminalBench - System Control0.8%

Compare Models Side-by-Side

Evaluate specifications, pricing, and independent benchmark indices

Model Details
General Info
ProviderAnthropicAnthropicAnthropic
Release DateMarch 4, 2024September 22, 2026September 28, 2026
Knowledge CutoffAug 2023-Jun 2026
Context & Limits
Context Window200K
1M
Best Context Window
1M
Best Context Window
Pricing (per 1M tokens)
Input Pricing
$0.25
Best Input Pricing
$4$2
Output Pricing
$1.25
Best Output Pricing
$20$10
Modalities
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Outputs
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Benchmarks (0-100)
Intelligence Index5.6
57.6
Best Intelligence Index
56.0
Coding Index---
Agentic Index---
Claude 3 Haiku
Claude Opus 5.5
Claude Sonnet 5.5

Humanity's Last Exam

Extremely difficult logical reasoning and knowledge.

4%
Claude 3 Haiku
Humanity's Last Exam
Score: 4%
Claude 3 Haiku
61%
Claude Opus 5.5
Humanity's Last Exam
Score: 61%
Claude Opus 5.5
55%
Claude Sonnet 5.5
Humanity's Last Exam
Score: 55%
Claude Sonnet 5.5

Long Context Reasoning

Logical reasoning over long context windows.

28%
Claude 3 Haiku
Long Context Reasoning
Score: 28%
Claude 3 Haiku
85%
Claude Opus 5.5
Long Context Reasoning
Score: 85%
Claude Opus 5.5
83%
Claude Sonnet 5.5
Long Context Reasoning
Score: 83%
Claude Sonnet 5.5

SciCode Benchmark

Scientific coding and mathematical modeling.

19%
Claude 3 Haiku
SciCode Benchmark
Score: 19%
Claude 3 Haiku
67%
Claude Opus 5.5
SciCode Benchmark
Score: 67%
Claude Opus 5.5
61%
Claude Sonnet 5.5
SciCode Benchmark
Score: 61%
Claude Sonnet 5.5

Independent evaluation data provided by Artificial Analysis. To view the latest benchmarks and full details, visit their official site.

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