Non-English Prompts Cost More Tokens, Context and Money in Most LLMs

Automated excerpt

Claude Opus 5 costs $5 per million input tokens whether a prompt arrives in English or in Russian. That 3. 9x compares two models on the same Russian text. Anthropic bills per million tokens, $5 input and $25 output on Claude Opus 5.

Selected automatically from source text; not independently written or fact-checked. Read the original for full context.