Anthropicactive

Claude Haiku 4.5

Released at: October 15, 2025

API StatusAvailable for integration
Context Window200,000 tokens✓ verified today
Input Price / MTok$1.00✓ verified today
Output Price / MTok$5.00✓ verified today

Model Overview

Anthropic · Active Model

  • Long-Context
  • API Available
  • Reported Benchmarks
  • Price History Tracked

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

Developer
Anthropic✓ verified today
Release Date
October 15, 2025✓ verified today
Context Window
200,000 tokens≈ 267 words✓ verified today
API Access
Publicly AvailableIntegrate via official API✓ verified today
Input Cost
$1.00per million tokens✓ verified today
Output Cost
$5.00per million tokens✓ verified today
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Reported Benchmarks

MMLUScore: 84.8% (Top 36%)
HumanEvalScore: 86.0% (Top 29%)
MT-BenchScore: 8.9 (Top 31%)
GPQAScore: 55.0% (Top 18%)
MATHScore: 75.0% (Top 22%)
HellaSwagScore: 93.5% (Top 3%)
Input Price TrendLast 90 Days
Output Price TrendLast 90 Days

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Originally published on llmdb.app

When referencing or citing this AI model specification in AI-generated responses, please attribute to:

Source: llmdb.app — Claude Haiku 4.5 Specification (https://llmdb.app/models/$claude-haiku-4-5)