Anthropicclaude-3-5-sonnet

Claude 3.5 Sonnet API Pricing

Industry-leading coding and agentic performance. Prompt caching hits receive a 90% discount ($0.30/1M); initial cache writes incur 1.25x ($3.75/1M). Message Batches API grants 50% discount.

Base Input Price$3.00/ 1M tokens

Base Output Price$15.00/ 1M tokens

Prompt Cache Read$0.300-90% discount

Batch API Rate-50%24h async offload

Inference Hosts & Aggregator Providers

Compare rates and latency across direct APIs, OpenRouter, and hyperscale cloud providers

Live verified rates

Provider Name	Input / 1M	Output / 1M	Prompt Caching	Access Endpoint
Anthropic Direct	$3.00	$15.00	Supported	Connect
OpenRouter	$3.00	$15.00	Supported	Connect

Head-to-Head Comparisons for Claude 3.5 Sonnet

Claude 3.5 Sonnet vs OpenAI: GPT-6.1 Sol$3/M vs $2/M

Claude 3.5 Sonnet vs GPT-4o (Omni)$3/M vs $2.5/M

Claude 3.5 Sonnet vs DeepSeek-V3 (deepseek-chat)$3/M vs $0.27/M

Claude 3.5 Sonnet vs DeepSeek-R1 (deepseek-reasoner)$3/M vs $0.55/M