Compare

2–4 model comparison. Best-in-row is highlighted.

Claude Opus 4.1

Anthropic · anthropic__claude-opus-4.1

Claude Opus 5

Anthropic · anthropic__claude-opus-5

Identity

Fieldanthropic__claude-opus-4.1anthropic__claude-opus-5
ProviderAnthropicAnthropic
Sluganthropic__claude-opus-4.1anthropic__claude-opus-5
Statuslivelive
Open weightsNoNo
License
HuggingFace

Quality

Fieldanthropic__claude-opus-4.1anthropic__claude-opus-5
Quality index (0–100)91.2

Cost

Fieldanthropic__claude-opus-4.1anthropic__claude-opus-5
Input $ / 1M tokens$15.00$5.00
Cached input $ / 1M$1.50$0.50
Output $ / 1M tokens$75.00$25.00

Context

Fieldanthropic__claude-opus-4.1anthropic__claude-opus-5
Max context tokens200,0001,000,000
Max output tokens32,000128,000

Modalities

Fieldanthropic__claude-opus-4.1anthropic__claude-opus-5
Inputimage, text, filetext, image, file
Outputtexttext