Anthropic
Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models.
At a glance
- Input / 1M
- $1
- Output / 1M
- $5
- Context
- 200K
- Max output
- 64K
- Intelligence
- 16.9
- Released
- Oct 2025
Pricing
Claude Haiku 4.5 API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $1 |
|---|---|
| Output tokensPer 1M tokens | $5 |
| Cached input (read)Per 1M tokens | $0.10 |
| Cache writePer 1M tokens | $1.25 |
| Web searchPer request | $0.01 |
Chat message
2K in, 500 out
$4.50
per 1,000 requests
Coding task
30K in, 4K out
$50
per 1,000 requests
Long document summary
150K in, 2K out
$160
per 1,000 requests
Benchmarks
Claude Haiku 4.5 benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
16.9
Coding index
43.9
Agentic index
8
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 200K tokens
- Max output
- 64K tokens
- Input types
- File, Image, Text
- Output types
- Text
- Reasoning effort
- Not available
- Release date
- October 15, 2025
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
Claude Haiku 4.5 vs other models
See how Claude Haiku 4.5 stacks up head to head on price, benchmarks, and features.
VS
Claude Haiku 4.5 vs Gemini 3.1 Flash Lite
Anthropic vs Google
See comparisonVSClaude Haiku 4.5 vs Gemini 2.5 Flash
Anthropic vs Google
See comparisonVSClaude Haiku 4.5 vs Claude Sonnet 4.5
Anthropic vs Anthropic
See comparisonVSClaude Haiku 4.5 vs Gemini 2.5 Pro
Anthropic vs Google
See comparisonVSClaude Haiku 4.5 vs GLM 4.6
Anthropic vs Z.ai
See comparisonVS
Claude Haiku 4.5 vs o3
Anthropic vs OpenAI
See comparisonMore Claude Haiku 4.5 comparisons
Alternatives
Claude Haiku 4.5 alternatives
Similar models worth considering, and where each one has the edge.
Anthropic
Claude Sonnet 4.5
Anthropic
Claude Sonnet 4
Z.ai
GLM 4.6
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does Claude Haiku 4.5 cost?
Claude Haiku 4.5 costs $1 per 1M input tokens and $5 per 1M output tokens through the API. A typical chat message costs about $4.50 per 1,000 messages.
What is the context window of Claude Haiku 4.5?
Claude Haiku 4.5 accepts up to 200K tokens of input and can write up to 64K tokens in a single response.
What is the best alternative to Claude Haiku 4.5?
Claude Sonnet 4.5 from Anthropic is a strong alternative. It offers: higher intelligence score, larger 1m context.
Can I use Claude Haiku 4.5 alongside other models?
Yes. Shortcut Chat sends one prompt to Claude Haiku 4.5 and any other models you pick at the same time, so you can compare answers side by side.
Try Claude Haiku 4.5 next to every other model.
Use Claude Haiku 4.5 alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.