Tidelines — LLM usage and market share

Head to head · 2026-10-19

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash 1017 vs Anthropic logoAnthropic: Claude Opus 5.5

Data source

Token share

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash 1017

14.89%

Anthropic logoAnthropic: Claude Opus 5.5

4.44%

30d Δ

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash 1017

+11.17pp

Anthropic logoAnthropic: Claude Opus 5.5

+3.46pp

Price — $ / M output

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash 1017

$0.60

Anthropic logoAnthropic: Claude Opus 5.5

$20.00

Context window

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash 1017

1049k

Anthropic logoAnthropic: Claude Opus 5.5

1000k

Share of tokens over time

Tidelines — LLM usage and market share
Source: OpenRouter (openrouter.ai/rankings), as of 2026-10-19. Vercel AI Gateway data as of 2026-10-19. · tidelines.ai/compare/deepseek-deepseek-v4-1-flash-1017-vs-anthropic-claude-opus-5-5

Detail pages: DeepSeek: DeepSeek V4.1 Flash 1017 · Anthropic: Claude Opus 5.5