Context window
1,000,000 tokens
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/models/overview
LLM · Anthropic
Claude Opus 5.5
Anthropic's model overview says to start with Claude Opus 5.5 for most workloads. It lists a 1M token context window and 128K maximum output. The same overview lists Amazon Bedrock, Google Cloud, and Microsoft Foundry model IDs. The pricing page lists a base rate of $4 input and $20 output per million tokens.
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/models/overview
Input price
$4.00
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/pricing
Output price
$20.00
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/pricing
API deployment
Yes
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/models/overview
Local / self-hosted
Not published
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/models/overview
VPC / cloud native
Yes
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/models/overview
License
Not published
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/models/overview
Data retention
Not published
Checked 19 Oct 2026https://platform.claude.com/docs/en/about-claude/pricing