Claude Haiku 5.5

by AnthropicChatretires not before 2027-10-07

Fast Claude model for responsive assistance, classification, and lightweight agents

Context
1M tokens
Max output
128,000 tokens
Released
2026-10-07
Weights
Closed

Feed

anthropic/claude-haiku-5-5 · also seen as anthropic-claude-5.5-haiku, jp.anthropic.claude-haiku-5-5, global.anthropic.claude-haiku-5-5, us.anthropic.claude-haiku-5-5, +14 more

Specifications

Full facts as recorded, incl. what is unknown.

Released
2026-10-07
Weights
Closed
Input
Text, Image, PDF
Output
Text
Context window
1,000,000 max across endpoints
Max output
128,000
Providers
17 + 19 gateways, not counted as providers
Epoch Capabilities Index
159 ± 2.7 against price
Direct price range
$0.10–$0.13 in · $0.50–$0.65 out per 1M tokens · across all 17 providers
More details
Last updated
2026-10-07
Knowledge cutoff
2026-06

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel tools
  • Structured output
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt caching
  • Web search
  • Computer use
  • System messagesunknown
  • Assistant prefill
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

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Price history

Atom feed

No change since 19 Oct 2026. The cheapest direct price has been $0.10 in / $0.50 out per 1M tokens at Anthropic on every data refresh since then.

Tracked from 19 Oct 2026, the earliest refresh this model's headline price can be rebuilt from. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON

Cost calculator

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Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs Claude Haiku 5.5
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Voxtral SmallMistral AI$0.164$0.123$0.36832.8K−2% cheaper
DeepSeek V4 Flash Vision ExpDeepSeek$0.163$0.14$0.281.05M−2% cheaper

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Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model