EDITOR'S CHOICEResearched 8d ago
Claude Opus 4.7
Anthropic · 1M context
Excellent
The best ear in the market — prose you'd actually ship.
Tops Chatbot Arena (1503) and writes paragraphs you'd ship; understands tone notes and edits like a copy chief.
The numbers
$/1M out
$25.00
$5.00 input
Context
1M
max window
Pros
- +#1 Chatbot Arena
- +Best voice & tone control
- +Strong long-form structure
Cons
- −$25 / 1M out