Anthropic

Claude Opus 4.1

Released 2025-08-05 · Knowledge up to 2025-01-31

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

You send / 1M

$15.00

tokens in

It replies / 1M

$75.00

tokens out

Memory

200K

tokens it can read at once

Typical request

$0.057

1,000 words in, 400 out

Data privacy

No training or retention: Yes. At least one provider serves it with zero data retention.

ProviderYou send / 1MIt replies / 1MUptimePrivacy policy
Amazon Bedrock$15.00$75.00100%Read

Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.

What it can do

  • Reads: image, text, file
  • Writes: text
  • Reasoning: Yes
  • Tool calling: Yes
  • Longest reply: 32K tokens
  • Repeated text is billed at $1.50 per 1M (prompt caching)
  • Intelligence score: 22.8 / 100 (Artificial Analysis)

Similar models

Appears in

Estimate your monthly cost with Claude Opus 4.1 →