Tidelines — LLM usage and market share

Head to head · 2026-07-29

Claude Opus 5 vs xAI: Grok 4.5

Data source

Token share

Claude Opus 5

2.16%

xAI: Grok 4.5

0.75%

30d Δ

Claude Opus 5

+1.16pp

xAI: Grok 4.5

+0.14pp

Price — $ / M output

Claude Opus 5

$25.00

xAI: Grok 4.5

$6.00

Context window

Claude Opus 5

1000k

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/anthropic-claude-opus-5-20260723-vs-x-ai-grok-4-5-20260708

Detail pages: Claude Opus 5 · xAI: Grok 4.5