Anthropic

Claude Haiku 4.5

Anthropic's fastest, lowest-cost model, with near-frontier intelligence and extended thinking on a 200K-token context window for high-volume work.

ActiveReleased April 20, 2026Knowledge cutoff February 28, 2025Available from 2 providers
Tool callingCan invoke external tools and APIs (function calling) mid-response.Structured outputCan return JSON or schema-constrained responses instead of free text.ReasoningUses extended thinking / chain-of-thought for harder multi-step problems.Effort controlLets you dial thinking depth (low / medium / high) to trade cost for quality.Fine-tuningSupports training a custom variant on your own data.

Source: Anthropic pricing, Claude models overview

Price per 1M tokens
$1 in / $5 out
Context window200,000
Max output64,000
Cache read$0.1 / M
Batch discount-50%
ModalitiesText, Image → Text
Priced across2 providers

Pricing

Every billing leg from the live catalog, in USD per 1M tokens.

Billing legRateBatch
Input$1 / M$0.5 / M
Output$5 / M$2.5 / M
Cache read$0.1 / M$0.05 / M
Cache write · 5 min$1.25 / M$0.625 / M
Cache write · 1 hour$2 / M$1 / M

Cost calculator

Billing-grade math over the rate card above, including the thinking tokens most estimates miss.

Hidden reasoning tokens bill as output. 1.0x = thinking off. Medium-effort reasoning typically lands near 3x; heavy reasoning runs 6x to 8x. Set it to match your workload.

Estimated monthly cost
$500
at current list prices
Fresh input$200
Cached input$0.00
Output incl. thinking$300
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Compare providers

The same model, priced across every platform that serves it. Lowest combined in/out rate is flagged.

PlatformInput / MOutput / MCache read / MBatchAccess
AnthropicLowest
$1$5$0.1✓First-party API
Cursor
$1$5$0.1—Direct

Price history

Has this model gotten cheaper or more expensive?

No changePriced at $1 / $5 per 1M since April 20, 2026.

More from Anthropic

Other models from the same provider.

Claude Fable 5
anthropic/claude-fable-5
$10 / $50 in / out per 1M
Claude Opus 4.8
anthropic/claude-opus-4-8
$5 / $25 in / out per 1M
Claude Opus 4.7
anthropic/claude-opus-4-7
$5 / $25 in / out per 1M
Claude Opus 4.6
anthropic/claude-opus-4-6
$5 / $25 in / out per 1M
Claude Opus 4.5
anthropic/claude-opus-4-5
$5 / $25 in / out per 1M
Claude Sonnet 5
anthropic/claude-sonnet-5
$2 / $10 in / out per 1M

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Rates are generated from SuperPenguin's live pricing catalog.