TokenTally

Anthropic cost planning

Claude 3.7 Sonnet token costs

Model thoughtful long-form assistants, legal research copilots, or deep analysis pipelines powered by Claude Sonnet.

Last pricing check: Mar 13, 2026

$3.00 per 1M prompt tokens$15.00 per 1M completion tokens200,000 token context

Why teams choose this model

Strategy + research copilots
Legal and compliance reviews
Product requirement summarization
Open main calculator

Scenario planning

Realistic cost examples

Numbers use Claude 3.7 Sonnet pricing

Briefing generator

Exec-ready briefs synthesizing PDFs, slides, and transcripts.

Per request

$0.0189

Per month

$34.02

Tokens sent

4,860,000

1800 prompt tokens900 completion tokens1,800 requests/mo

Legal review

Policy comparisons + clause analysis with citations.

Per request

$0.015

Per month

$33.00

Tokens sent

4,840,000

1500 prompt tokens700 completion tokens2,200 requests/mo

Product voice

Sonnet drafting consistent release notes + UX copy.

Per request

$0.015

Per month

$63.00

Tokens sent

7,560,000

1000 prompt tokens800 completion tokens4,200 requests/mo

Compare with

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Updated Mar 13, 2026

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Updated Mar 13, 2026

FAQs

How does Sonnet compare to Haiku?

Sonnet is the mid-tier Claude model—faster than Opus, more accurate than Haiku. Pricing reflects that middle ground.

Can I fine-tune Claude Sonnet?

Not today. Most teams steer behavior with retrieval + system prompts. TokenTally keeps those prompts lean to avoid waste.

Does Sonnet support 200K context?

Yes, and the calculator shows how close your scenario gets to that ceiling.

Pricing sources