Anthropic · Frontier

claude-sonnet-4-6

A closed model, reached through gm. The route is sealed in transit and in use; the model maker still receives the prompt under its API terms.

Released

Feb 2026

Knowledge cutoff

Aug 2025

Best price on gm

-6.0%

In

$3.00$2.82

Cached

$0.30$0.28

Out

$10.00$9.39

per Mtok*

//01

Recent effective price

What buyers have actually paid on this model recently, across every provider and cache hits.

Input

$2.83

$3.00

Cached input

$0.28

$0.30

Output

$9.47

$10.00

How the effective price is calculated

Requests are load balanced across every provider serving this model, each offering its own rate, so what you pay is a blend rather than a single number. These are the blended rates actually paid — priced at what a provider offered, capped at list.

Measured over 11 windows: 1,682 requests and 2,038,596 input-side tokens. Most recent window closed 2026-08-11 02:24 UTC.

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Who's serving this model

Every provider currently serving this model, ranked by discount.

ProviderDiscountInOut
Provider 16.0% off$2.82$9.39
Provider 26.0% off$2.82$9.39
Provider 36.0% off$2.82$9.39
Provider 46.0% off$2.82$9.39
Provider 56.0% off$2.82$9.39
Provider 66.0% off$2.82$9.39
//03

Performance

Measured on the requests gm routed to this model.

Throughput
30.9 tok/sover 2,224 requests
Time to first token
1.5 sover 2,224 requests
Request success rate
100.0% over 2,224 requests
1,807 requests · 3,675,062 tokens billed · last 12 windowsWindow closed 2026-08-11 02:24 UTC
//04

Benchmarks

Fixed-seed suites gm runs against this model.

No benchmark run has been published for this model.