Pricing · Anthropic

Claude Haiku 4.5

Anthropic's claude-haiku-4-5-20251001, 200K tokens of context. Every number on this page was read off Anthropic's own pricing page — never estimated, never recalled from memory.

How Anthropic describes it

“The fastest model with near-frontier intelligence”

From Anthropic's documentation

Pricing

Input $1.00 per 1M tokens
Output $5.00 per 1M tokens
Cached input $0.10 per 1M tokens · 0.1× the input price
Cache write (5 min TTL) $1.25 per 1M tokens
Cache write (1 h TTL) $2.00 per 1M tokens
Batch API −50% off input and output · verified September 16, 2026 against Anthropic's pricing page

At the calculator's starting volume, 1M input tokens and 200K output tokens with no cache hits, Claude Haiku 4.5 costs $2.00: $1.00 for input and $1.00 for output, at the prices above. Same formula as the calculator; change the volume there.

Where this price sits

$1.00 per 1M input tokens is the 22nd cheapest input price of the 67 current models with a verified price on this site, and the 1st of Anthropic's 14. Output costs 5.0× the input price.

Other price lists Anthropic publishes for Claude Haiku 4.5

The prices above are Anthropic's Standard list, the one the table and the calculator use. Anthropic also sells Claude Haiku 4.5 on one other list, each with a condition. Figures and wording are quoted from Anthropic's own pages as read on the date shown; this site computes none of them.

Mentioned in

One post on this site cites Claude Haiku 4.5. The sentence is the post's own, taken from where it links here.

Recorded price changes

Every change this site has recorded for Claude Haiku 4.5, with the date it took or takes effect and why. Corrections of our own reading are listed too, and say so.

Every price change recorded on this site →

Against Claude Haiku 3.5

Claude Haiku 3.5 is the earlier version of the same name in this dataset (retired). Against Claude Haiku 3.5, Claude Haiku 4.5 has input at $1.00 against $0.80, 1.3× as much; output at $5.00 against $4.00, 1.3× as much; cached input at $0.10 against $0.08, 1.3× as much (per 1M tokens). Its prices were verified September 16, 2026: Claude Haiku 3.5 pricing →

Specifications

API model id claude-haiku-4-5-20251001
Provider Anthropic
Family Haiku
Context window 200K tokens
Max output 64K tokens
Released October 15, 2025
Status Current
Earliest retirement Not before October 15, 2026 — no firm date announced

Claude Haiku 4.5 was released on October 15, 2025. It returns up to 64K tokens per response, against a context window of 200K tokens. Anthropic has committed not to retire it before October 15, 2026; no firm date is announced.

Questions about Claude Haiku 4.5 pricing

How much does Claude Haiku 4.5 cost per million tokens?
$1.00 per 1M input tokens and $5.00 per 1M output tokens, read on Anthropic's official pricing page on September 28, 2026.
What does a cached input token cost on Claude Haiku 4.5?
$0.10 per 1M cached input tokens, 10% of the $1.00 input price; a 5-minute cache write costs $1.25, a 1-hour cache write costs $2.00 per 1M tokens.

Batch API discount (batchDiscount 0.5) verified by hand on 2026-09-16 against Anthropic's general pricing page, 'Batch processing' section: 'The Batch API allows asynchronous processing of large volumes of requests with a 50% discount on both input and output tokens', table row 'Claude Haiku 4.5 $0.50 / MTok $2.50 / MTok'. Release date corrected on 2026-10-01 from 2025-10-01 to 2025-10-15: Anthropic's model page (platform.claude.com/docs/en/models/haiku-4-5/overview), read that day, prints 'Released October 15, 2025', which also matches its retirement commitment ('Not sooner than October 15, 2026') (entry anthropic-haiku-4-5-release-date-correction).

Verified September 28, 2026 against Anthropic's official pricing page. Confidence: confirmed. How the data is checked.

Other Anthropic models with a verified price

Cheaper or equally priced alternatives

Current models with an input price at or below $1.00 per 1M tokens.