Head to head · 2026-07-29

DeepSeek: DeepSeek V4 Flash vs xAI: Grok 4.5

Data source

Token share

DeepSeek: DeepSeek V4 Flash

14.77%

xAI: Grok 4.5

0.75%

30d Δ

DeepSeek: DeepSeek V4 Flash

+4.50pp

xAI: Grok 4.5

+0.14pp

Price — $ / M output

DeepSeek: DeepSeek V4 Flash

$0.28

xAI: Grok 4.5

$6.00

Context window

DeepSeek: DeepSeek V4 Flash

1049k

xAI: Grok 4.5

500k

Share of tokens over time

Tidelines — LLM usage and market share
Data: OpenRouter, Vercel AI Gateway as of 2026-07-29 · Source: tidelines.ai/compare/deepseek-deepseek-v4-flash-vs-x-ai-grok-4-5-20260708

Detail pages: DeepSeek: DeepSeek V4 Flash · xAI: Grok 4.5