LPLLM-InfoOpen, trusted, shared
anthropic / US / 1M tokens
LANG

Model dossier

Claude Sonnet 4.5

ClaudeanthropicUS1M tokensactive

text / image model priced in USD. Current record comes from official source data and keeps weekly history for trend checks.

Input3.000000USD
Cached input6.000000USD
Output0.300000USD

Model Passport

BrandClaude
Provideranthropic
Lifecycleactive
Modalitiestext / image
RegionUS
CurrencyUSD

Billing Shape

Unit1M tokens
Raw unit1M_tokens
MeaningPrice per one million input or output tokens.
Observed weeks7
Latest snapshot2026-W40

Source Proof

Kindofficial
Fetched2026-10-01T09:51:28Z
Parseranthropic_pricing_html
Evidence gradeA
Verificationautomated_parser
Freshnessverified
Verified2026-10-01T09:51:28Z
Official source

Evidence Notes

Pricing caveats kept from the source parser

Official Anthropic API pricing. 5m cache write: $15/MTok; 1h cache write: $3.75/MTok.

Citation

Stable reference for this price view

LLM Info. Claude Sonnet 4.5 pricing (US, 1M_tokens). Verified 2026-10-01. https://llm-info.org/models/anthropic/claude-sonnet-4-5?region=US&unit=1M_tokens

Weekly Price Movement

Input, cached input, and output prices by snapshot

InputCachedOutput

Snapshot Ledger

7 weekly records

SnapshotFetchedInputΔ InputCachedΔ CachedOutputΔ Output
2026-W262026-06-26T10:08:25.715Z3.000000—0.300000—15.000000—
2026-W352026-08-27T03:25:58.068Z3.00000000.300000015.0000000
2026-W362026-09-06T07:42:41.756Z3.00000000.300000015.0000000
2026-W372026-09-13T08:05:11.312Z3.00000000.300000015.0000000
2026-W382026-09-20T08:22:52.226Z3.00000000.300000015.0000000
2026-W392026-09-27T09:00:51.333Z3.00000006.000000+5.7000000.300000-14.700000
2026-W402026-10-01T09:51:40.554Z3.00000006.00000000.3000000

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