Model dossier

Anthropic: Claude Opus 4.1

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...

ProviderAnthropic Start comparison

Context200,000

Max output32,000

Pricing viewTVP price

Identity

Anthropic: Claude Opus 4.1

Model ID: anthropic/claude-opus-4.1
Canonical slug: anthropic/claude-4.1-opus-20250805
Knowledge cutoff: 2025-01-31
Created: 8/5/2025

Capabilities

imagetextfiletoolsstructured

Modalities

text+image+file->textimagetextfile

Capacity

Context200,000

Max output32,000

TokenizerClaude