claude-opus-4.1-20250805

by anthropic

Claude Opus 4.1 is Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves high scores on SWE-bench Verified and excels in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for research, data analysis, and tool-assisted workflows.

Pricing

Pay-as-you-go rates for this model. More details can be found here.

Input Tokens (1M)

$10.00

Output Tokens (1M)

$50.00

Capabilities

Input Modalities

Text
Image
File

Output Modalities

Text

Rate Limits

Requests per minute (RPM) and per day (RPD) by tier. More about tiers here

TierRPMRPD
Free
Tier 110
Tier 215
Tier 325
Tier 450

Usage Analytics

Token usage across the last 30 active days