Anthropicclaude-opus-5.52026 Frontier

Anthropic: Claude Opus 5.5 API Pricing

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large code...

Base Input Price$4.00/ 1M tokens

Base Output Price$20.00/ 1M tokens

Prompt Cache Read$0.200-95% 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	$4.00	$20.00	Supported	Connect
OpenRouter	$4.00	$20.00	Supported	Connect

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

Anthropic: Claude Opus 5.5 vs OpenAI: GPT-6.1 Sol$4/M vs $2/M

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

Anthropic: Claude Opus 5.5 vs Claude 3.5 Sonnet$4/M vs $3/M

Anthropic: Claude Opus 5.5 vs DeepSeek-V3 (deepseek-chat)$4/M vs $0.27/M