Anthropic: Claude Haiku 4.5
● Excellent8.3
/ 10
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. Matching Claude Sonnet 4’s performance...
Specifications
| Attribute | Value |
|---|---|
| Lab | Anthropic |
| Tags | Fast Coding |
| Overall Score | 8.3/10 |
| Release Date | 2025-10 |
| Context Window | 200,000 tokens |
| Input Price / 1M | $1.00 |
| Output Price / 1M | $5.00 |
| Input Modalities | Text, Image, File |
| Output Modalities | Text |
Strengths
- Fastest Claude model with strong reasoning
- Excellent coding speed and quality
- 200K context window
- Cost-effective for high-volume tasks
Weaknesses
- Below Opus/Sonnet on deep reasoning
- Less nuanced on creative tasks
Best For
- High-volume coding tasks
- Quick reasoning and analysis
- Chatbots and customer-facing apps
Sources & Further Reading
Related Models
Scores are aggregated from public benchmarks (MMLU, HumanEval, MATH, GSM8K, LMSYS) and normalized to a 1–10 scale. Methodology →