Anthropic

Claude Haiku 3

Generally availableProprietary200K context

Summary

Claude Haiku 3 is a proprietary language model from Anthropic, released on 13 Mar 2024. It accepts text and images and generates text, with a 200K-token context window and up to 4K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.25 per million input tokens and $1.25 per million output tokens (Vercel AI Gateway), across 1 provider we track.

Legacy model retained for compatibility with older integrations

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperAnthropic
Release date13 Mar 2024 [models.dev]
StatusGenerally available [models.dev]
WeightsProprietary (API only) [models.dev]
Context window200K (200,000 tokens) [models.dev]
Max output4K tokens [models.dev]
Knowledge cutoff31 Aug 2023 [models.dev]
InputText and images [models.dev]
OutputText [models.dev]
Reasoning modeNo [models.dev]
Tool callingYes [models.dev]

Claude Haiku 3 API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
Vercel AI Gateway
anthropic/claude-3-haiku
$0.25$1.25$0.03200Kmodels.dev, 4 Oct 2026

Frequently asked questions

What is the context window of Claude Haiku 3?

Claude Haiku 3 has a context window of 200,000 tokens (200K) and can generate up to 4,096 tokens in a single response, according to models.dev.

How much does the Claude Haiku 3 API cost?

Claude Haiku 3 is listed from $0.25 per million input tokens and $1.25 per million output tokens (Vercel AI Gateway). Prices last verified 4 Oct 2026.

Is Claude Haiku 3 open source?

No. Claude Haiku 3 is a proprietary model; Anthropic has not released its weights. It is available through APIs including Vercel AI Gateway.

When was Claude Haiku 3 released?

Anthropic released Claude Haiku 3 on 13 Mar 2024, according to models.dev.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources