Tidelines — LLM usage and market share

Head to head · 2026-09-12

Anthropic logoAnthropic: Claude Sonnet 5 vs DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

Data source

Token share

Anthropic logoAnthropic: Claude Sonnet 5

0.76%

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

8.37%

30d Δ

Anthropic logoAnthropic: Claude Sonnet 5

-1.01pp

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

+4.84pp

Price — $ / M output

Anthropic logoAnthropic: Claude Sonnet 5

$10.00

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

$0.60

Context window

Anthropic logoAnthropic: Claude Sonnet 5

1000k

DeepSeek logoDeepSeek: DeepSeek V4.1 Flash

1049k

Share of tokens over time

Tidelines — LLM usage and market share
Data: OpenRouter, Vercel AI Gateway as of 2026-09-12 · Source: tidelines.ai/compare/anthropic-claude-sonnet-5-vs-deepseek-deepseek-v4-1-flash

Detail pages: Anthropic: Claude Sonnet 5 · DeepSeek: DeepSeek V4.1 Flash