Claude Haiku 5.5

Closed Active Multimodal claude-haiku-5-5

Fastest Claude to date with adjustable effort; prompts over 100K tokens are billed at higher rates.

Released
Oct 7, 2026
Context window
1M tokens
Max output
128K tokens
Parameters
Not disclosed
Input price
$0.10 per 1M
Output price
$0.50 per 1M

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceOct 7, 2026
$0.10 in / $0.50 out
Current price since Oct 7, 2026
$0.10 in / $0.50 out
Cached input $0.01 per 1M
TierEffectiveInputOutputCached
Standard Oct 7, 2026 – now $0.10 $0.50 $0.01
Batch Oct 7, 2026 – now $0.05 $0.25 -

Specifications

Developer
Anthropic
Model type
Multimodal
Architecture
Not disclosed
Parameters
Not disclosed
Input
Text Image
Output
Text
Knowledge cutoff
Jun 2026
License
Proprietary
API access
First-party API
Capabilities
Agentic Long context Small LM Vision