Claude Haiku 4.5
Anthropic · Released Oct 2025
Fastest and most cost-effective Claude model. Pricing held flat since launch — no newer Haiku has been released.
- Strengths
- Fastest and cheapest Claude, with prompt-cache savings for repeated context.
- Best for
- High-volume classification, routing, extraction and latency-sensitive features.
- Limitations
- Lighter reasoning than Sonnet or Opus; not for the hardest tasks.
Input / 1M
$1.00
Output / 1M
$5.00
Cached input / 1M
$0.1
Context window
200K
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 15 Oct 2025 | $1.00 | $5.00 | $0.1 | anthropic.com/pricing |