Tidelines — LLM usage and market share

Head to head · 2026-10-14

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

Data source

Token share

Anthropic logoAnthropic: Claude Sonnet 5.5

1.47%

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

16.97%

30d Δ

Anthropic logoAnthropic: Claude Sonnet 5.5

+1.07pp

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

+9.88pp

Price — $ / M output

Anthropic logoAnthropic: Claude Sonnet 5.5

$10.00

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

$0.72

Context window

Anthropic logoAnthropic: Claude Sonnet 5.5

1000k

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

1049k

Share of tokens over time

Tidelines — LLM usage and market share
Source: OpenRouter (openrouter.ai/rankings), as of 2026-10-14. Vercel AI Gateway data as of 2026-10-14. · tidelines.ai/compare/anthropic-claude-sonnet-5-5-20260928-vs-deepseek-deepseek-v4-1-flash-20260910

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