Claude Sonnet 4.6
Hybrid reasoning model with fast, capable intelligence for real-time agents and high-volume work, featuring a 1M context window
A specific Claude Sonnet 4.6 language-model release from Anthropic.
Pricing
Official site · Sep 18, 2026, 1:08 PM
Input / 1M
$3.00
Output / 1M
$15.00
Cached input / 1M
$0.30
Base API token pricing. Prompt caching: 5-minute cache writes $3.75/MTok; 1-hour cache writes $6/MTok; cache hits and refreshes $0.30/MTok. MTok means one million tokens; standard global routing pricing.
Anthropic's official pricing table explicitly lists Claude Sonnet 4.6 at $3 per million base input tokens and $15 per million output tokens. It also lists prompt-cache pricing of $3.75 per million tokens for 5-minute writes, $6 per million for 1-hour writes, and $0.30 per million for cache hits/refreshes.
Model Intelligence
Arena ranking
25
Benchmarkable
Yes
Model level
release
Intelligence Index
24.7
GPQA
0.8
HLE
0.13
IFBench
0.41
LCR
0.68
TerminalBench Hard
0.46
TAU2
0.8
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