Anthropic

Claude Haiku 5.5

A fast, efficient model for high-volume, latency-sensitive tasks such as classification, extraction, routing, summarization, and subagent work.

ActiveReleased October 7, 2026Knowledge cutoff June 1, 2026
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 (vendor fine-tune API or self-hosted open weights).

Source: https://platform.claude.com/docs/en/models/haiku-5-5/overview, https://platform.claude.com/docs/en/release-notes/overview?entry=september-30-2026

Price per 1M tokens
$0.1 in / $0.5 out
Context window100,000
Max output128,000
Cache read$0.01 / M
Batch discount-50%
Input
  • Text
  • Image
Output
  • Text

Pricing

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

Billing legStandardLong contextBatch
Input$0.1 / M$0.5 / M$0.05 / M
Output$0.5 / M$2.5 / M$0.25 / M
Cache read$0.01 / M$0.05 / M$0.005 / M
Cache write · 5 min$0.125 / M$0.625 / M$0.0625 / M
Cache write · 1 hour$0.2 / M$1 / M$0.1 / M

Long-context rates apply above 100,000 input tokens.

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
$50.00
at current list prices
Fresh input$20.00
Cached input$0.00
Output incl. thinking$30.00
Track this automatically →

Provider

Where this model runs, and what it charges.

PlatformInput / MOutput / MCache read / MBatchAccess
Anthropic
$0.1$0.5$0.01✓First-party API

Price history

Has this model gotten cheaper or more expensive?

No changePriced at $0.1 / $0.5 per 1M since October 9, 2026.

More from Anthropic

Other models from the same provider.

Claude Sonnet 5.5
anthropic/claude-sonnet-5-5
$2 / $10 in / out per 1M
Claude Opus 5.5
anthropic/claude-opus-5-5
$4 / $20 in / out per 1M
Claude Fable 5.1
anthropic/claude-fable-5-1
$10 / $50 in / out per 1M
Claude Opus 5
anthropic/claude-opus-5
$5 / $25 in / out per 1M
Claude Sonnet 5
anthropic/claude-sonnet-5
$2 / $10 in / out per 1M
Claude Fable 5
anthropic/claude-fable-5
$10 / $50 in / out per 1M

Stop estimating. Track it.

SuperPenguin meters every Claude Haiku 5.5 call your team makes, prices it with this exact rate card, and shows spend by feature, customer, and team.

Get started free

Rates are generated from SuperPenguin's live pricing catalog.