Tidelines — LLM usage and market share

Head to head · 2026-07-29

OpenAI: GPT-5.6 Luna vs xAI: Grok 4.5

Data source

Token share

OpenAI: GPT-5.6 Luna

0.94%

xAI: Grok 4.5

0.75%

30d Δ

OpenAI: GPT-5.6 Luna

+0.61pp

xAI: Grok 4.5

+0.14pp

Price — $ / M output

OpenAI: GPT-5.6 Luna

$3.00

xAI: Grok 4.5

$6.00

Context window

OpenAI: GPT-5.6 Luna

1050k

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/openai-gpt-5-6-luna-20260709-vs-x-ai-grok-4-5-20260708

Detail pages: OpenAI: GPT-5.6 Luna · xAI: Grok 4.5