Anthropic: Claude Haiku 4.5
Claude Haiku 4.5 from Anthropic is designed for tasks involving text, images, and files, with a context length of 200,000 tokens and the ability to support reasoning and external tools. This model excels in handling diverse input modalities and can process complex requests, though structured output is not currently supported. While this model boasts a blended benchmark score of 38.5 across one independent benchmark, it's priced at $1.0 per million input tokens and $5.0 per million output tokens. Given its performance and cost, Claude Haiku 4.5 might be suitable for users needing flexibility in input types and reasoning capabilities, especially those willing to pay a premium for these features.
Benchmark results
Independent, published benchmarks. Blended score 38.5 across 1 benchmark, last refreshed 2026-07-23. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 39.1 |
- Model ID
- anthropic/claude-haiku-4.5
- Vendor
- anthropic
- Released
- October 2025
- Tokenizer
- Claude
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 64,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- yes
What it costs in practice
Computed from the current $1.00/M input and $5.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.04 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.75 |
| A month of a busy support chatbot | 5M in / 2M out | $15.00 |
Similar models
Anthropic: Claude Sonnet 5
Anthropic: Claude Sonnet 4.6
Anthropic: Claude Sonnet 4.5
Anthropic: Claude Sonnet 4
Anthropic: Claude Opus 4.8
Anthropic: Claude Opus 4.7
Quick answers
- How much does Anthropic: Claude Haiku 4.5 cost?
- $1.00 per million input tokens and $5.00 per million output tokens.
- What is Anthropic: Claude Haiku 4.5's context window?
- 200,000 tokens, roughly 300 pages of text in a single request.
- Does Anthropic: Claude Haiku 4.5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Haiku 4.5 process images?
- Yes, it accepts image input.