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Claude Haiku 4.5
🇺🇸Anthropic9mo
Context:200K tokens
Input:$1/1M
Output:$5/1M
Neura Index
59.7
Rank #113—
mediumCategory Profile
Benchmark Scores (6)
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 73 | verified |
math
| Benchmark | Score | Source |
|---|---|---|
| AIME 2025 | 80.7 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 73.3 | verified |
Performance History
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Frequently Asked Questions about Claude Haiku 4.5
What is Claude Haiku 4.5's Neura Intelligence Index score?▾
Claude Haiku 4.5 by Anthropic scores 59.7 out of 100 on the Neura Intelligence Index, ranking #113 among tracked AI models. This composite score is computed from 6 individual benchmarks across coding, math, reasoning, and language categories.
How much does Claude Haiku 4.5 cost to use?▾
Claude Haiku 4.5 costs $1/1M input tokens and $5/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $60.
Is Claude Haiku 4.5 open source?▾
No, Claude Haiku 4.5 is a proprietary model by Anthropic. It is only accessible via their API.
What is Claude Haiku 4.5's context window?▾
Claude Haiku 4.5 supports a context window of 200K tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does Claude Haiku 4.5 perform best on?▾
Claude Haiku 4.5 achieves its highest score on MMMLU with a score of 83.0%. This benchmark evaluates multilingual massive multitask language understanding across many languages.