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Claude Haiku 4.5

Anthropic
Model overview

claude-haiku-4-5-20251001

Anthropic's fastest current Claude model, offering near-frontier intelligence at a lower cost and latency point.

general LLMreasoningcodingvision-languagechatcode generationenterprise accessvoice assistant
CompareCompanyRankingsPublic signals
Representative version

claude-haiku-4-5-20251001

CompanyAnthropic
Release2025-10-15
Release typeModel release
ParametersNot disclosed
ArchitectureNot disclosed
Context200,000
Input modalitiestext / image
Output modalitiestext
Tool use / function callingConfirmed: Tool use, Function calling
Structured output / reasoningConfirmed: Reasoning
Vision / audio / videoConfirmed: Vision; Not shown: Audio, Video
Open weights / LicenseNo open weights / license not applicable
anthropic-claude-haiku-4-5-current · License not applicable
Vendor APIAvailable
Introducing Claude Haiku 4.5anthropic-claude-haiku-4-5-current · 2025-10-15
OpenRouterOpenRouter listed
PricingOpenRouter · 2026-07-15: $1 / $5
input / output, per 1M tokens
BenchmarkNo reliable public source
Public signalsNo reliable public source
Use casesLow-latency chat / Cost-efficient coding assistance / High-volume API workloads / assistant chat
Claim evidenceRelease eventIntroducing Claude Haiku 4.5claude-haiku-4-5-20251001 · 2025-10-15
Model specs / weightsModels overview - Claude API DocsClaude Haiku 4.5 · claude-haiku-4-5-20251001
OpenRouter

Pricing / context / availability

OpenRouterOpenRouter listed
OpenRouter listinganthropic/claude-haiku-4.5
Mapped versionclaude-haiku-4-5-20251001
anthropic-claude-haiku-4-5-current
PricingOpenRouter · 2026-07-15: $1 / $5
input / output, per 1M tokens
Context200000
Speed/LatencyNo reliable public source
Snapshot time2026-07-15T20:11:41.551Z
SourceView source
Evidence gaps

Public display boundary

Parameter scale not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed