Tidelines — LLM usage and market share

Head to head · 2026-09-01

xAI logoSpaceXAI: Grok 4.6 vs OpenAI logoOpenAI: GPT-5.6 Luna

Data source

Token share

xAI logoSpaceXAI: Grok 4.6

0.35%

OpenAI logoOpenAI: GPT-5.6 Luna

10.88%

30d Δ

xAI logoSpaceXAI: Grok 4.6

-0.25pp

OpenAI logoOpenAI: GPT-5.6 Luna

+2.44pp

Price — $ / M output

xAI logoSpaceXAI: Grok 4.6

$6.00

OpenAI logoOpenAI: GPT-5.6 Luna

$1.20

Context window

xAI logoSpaceXAI: Grok 4.6

500k

OpenAI logoOpenAI: GPT-5.6 Luna

1050k

Share of tokens over time

Tidelines — LLM usage and market share
Data: OpenRouter, Vercel AI Gateway as of 2026-09-01 · Source: tidelines.ai/compare/x-ai-grok-4-6-20260810-vs-openai-gpt-5-6-luna-20260709

Detail pages: SpaceXAI: Grok 4.6 · OpenAI: GPT-5.6 Luna