Claude 3.5 Sonnet token cost

Widely deployed Anthropic Sonnet generation before Sonnet 4.x/5. Keep for migration cost checks when older apps still call Claude 3.5 Sonnet.

Privacy first counting

TokenCALC counts tokens in your browser when an Exact encoding is available. Prompt text does not need to leave your device for local counting.

Pricing snapshot

USD per 1 million tokens. Verify against the provider source before you lock budget.

RateUSD
Input / 1M$3.00
Output / 1M$15.00
Cached input / 1M$0.300
Cache write / 1M$3.75
Batch input / 1M$1.50
Batch output / 1M$7.50

Model details

DetailValue
ProviderAnthropic
Context window200K
TokenizerApprox (Anthropic family)
Last verified2026-08-02
API model idclaude-3-5-sonnet-latest