Anthropicclaude-sonnet-5.52026 Frontier

Anthropic: Claude Sonnet 5.5 API Pricing

Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and pro...

Base Input Price$2.00/ 1M tokens

Base Output Price$10.00/ 1M tokens

Prompt Cache Read$0.100-95% 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	$2.00	$10.00	Supported	Connect
OpenRouter	$2.00	$10.00	Supported	Connect

Head-to-Head Comparisons for Anthropic: Claude Sonnet 5.5

Anthropic: Claude Sonnet 5.5 vs OpenAI: GPT-6.1 Sol$2/M vs $2/M

Anthropic: Claude Sonnet 5.5 vs GPT-4o (Omni)$2/M vs $2.5/M

Anthropic: Claude Sonnet 5.5 vs Claude 3.5 Sonnet$2/M vs $3/M

Anthropic: Claude Sonnet 5.5 vs DeepSeek-V3 (deepseek-chat)$2/M vs $0.27/M