Head to head · 2026-10-24

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0731 vs Anthropic logoAnthropic: Claude Opus 5.5

Data source

Token share

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0731

2.15%

Anthropic logoAnthropic: Claude Opus 5.5

4.36%

30d Δ

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0731

-3.05pp

Anthropic logoAnthropic: Claude Opus 5.5

+3.33pp

Price — $ / M output

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0731

$0.17

Anthropic logoAnthropic: Claude Opus 5.5

$20.00

Context window

DeepSeek logoDeepSeek: DeepSeek V4 Flash 0731

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 2026-10-24. Vercel AI Gateway data as of 2026-10-24. · tidelines.ai/compare/deepseek-deepseek-v4-flash-0731-vs-anthropic-claude-opus-5-5

Detail pages: DeepSeek: DeepSeek V4 Flash 0731 · Anthropic: Claude Opus 5.5