Catalog
Anthropic
Claude Haiku 4.5
Fastest Claude with near-frontier intelligence
Official specs
- Main purpose
- Low-latency chat and lightweight coding
- Context window
- 200K tokens
- API pricing
- $1 input / $5 output per 1M tokens
- Access
- claude.ai, Anthropic API
- Knowledge cutoff
- Reliable cutoff Feb 2025; training data cutoff Jul 2025
Capabilities
Key features
- Fastest comparative latency in the Claude lineup
- Extended thinking
- 64K max output tokens
Notes
- Anthropic lists Haiku 4.5 as the fastest Claude with near-frontier intelligence.
Limitations
- Smaller 200K context and older knowledge cutoff than Claude 5 models.
All listed specs from Anthropic model docs.
Vendor source