AnthropicBalanced

Claude Sonnet 4.5

Compare with alternatives Official pricing page ↗

Input / output price: $3 / $15; per 1M tokens · standard
Intelligence Index: 20.7; top 38%
Coding Index: 52.1; top 47%

Where it's used

Rank among current models on each use case's benchmark

All prices

Read from Anthropic's pricing page

Tier	Input	Cached input	Output
Standard	$3	$0.30	$15
Batch	$1.50	—	$7.50

Related models

Cheaper with similar scores

AnthropicClaude Haiku 5.5Intelligence 43.4$0.10 / $0.50 per 1M OpenAIgpt-6-lunaIntelligence 38.1$0.10 / $0.50 per 1M OpenAIgpt-5.6-lunaIntelligence 37.3$0.20 / $1.20 per 1M

Higher-scoring options

AnthropicClaude Haiku 5.5Intelligence 43.4$0.10 / $0.50 per 1M OpenAIgpt-6-lunaIntelligence 38.1$0.10 / $0.50 per 1M OpenAIgpt-5.6-lunaIntelligence 37.3$0.20 / $1.20 per 1M

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