Tidelines — LLM usage and market share

Head to head · 2026-09-09

Anthropic logoAnthropic: Claude Sonnet 5 vs DeepSeek logoDeepSeek: DeepSeek V4 Flash 0423

Data source

Token share

Anthropic logoAnthropic: Claude Sonnet 5

1.23%

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0423

3.60%

30d Δ

Anthropic logoAnthropic: Claude Sonnet 5

-0.28pp

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0423

-3.82pp

Price — $ / M output

Anthropic logoAnthropic: Claude Sonnet 5

$10.00

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0423

$0.18

Context window

Anthropic logoAnthropic: Claude Sonnet 5

1000k

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0423

1049k

Share of tokens over time

Tidelines — LLM usage and market share
Data: OpenRouter, Vercel AI Gateway as of 2026-09-09 · Source: tidelines.ai/compare/anthropic-claude-sonnet-5-vs-deepseek-deepseek-v4-flash-20260423

Detail pages: Anthropic: Claude Sonnet 5 · DeepSeek: DeepSeek V4 Flash 0423