Anthropic / MODEL PROFILE
Claude Haiku 4.5
Legacy Haiku with extended thinking.
Specifications
- Official API ID
- claude-haiku-4-5-20251001
- Documented version
- claude-haiku-4-5-20251001
- Status
- legacy
- Shared context window
- 200,000
- Input token limit
- Not verified
- Maximum output
- 64,000
- Input types
- text, image
- Output types
- text
- Reasoning
- yes
- Structured output
- Not verified
- Function calling
- Not verified
- Streaming
- Not verified
- Released
- 2025-10-15
Limits are documented separately; an unknown input limit does not mean unlimited input. Availability depends on your provider account and region.
Text token pricing
USD per 1 million tokens · Standard paid tier
- Input
- $1.00
- Output (including thinking)
- $5.00
- Cached input read
- $0.10
- Default cache write
- Not verified
- 5-minute cache write
- $1.25
- 1-hour cache write
- $2.00
Text tokens only. Output includes thinking tokens. Cache reads are a subset of input. Cache creation, tools and media fees are excluded.
Compare costsNo reliable data available
Comparable results with confirmed reuse permission have not been published here yet.
A published result must include the exact model version, benchmark version, original value and unit, test date, conditions and source. No scores or overall rankings are inferred.
Sources & verification
Manually verified 2026-10-09. Price effective date: not established by source.