Tidelines — LLM usage and market share

Head to head · 2026-10-23

OpenAI logoOpenAI: GPT-6 Luna Pro vs Anthropic logoAnthropic: Claude Opus 5.5

Data source

Token share

OpenAI logoOpenAI: GPT-6 Luna Pro

0.24%

Anthropic logoAnthropic: Claude Opus 5.5

5.60%

30d Δ

OpenAI logoOpenAI: GPT-6 Luna Pro

-0.03pp

Anthropic logoAnthropic: Claude Opus 5.5

+4.62pp

Price — $ / M output

OpenAI logoOpenAI: GPT-6 Luna Pro

$0.50

Anthropic logoAnthropic: Claude Opus 5.5

$20.00

Context window

OpenAI logoOpenAI: GPT-6 Luna Pro

1050k

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 2026-10-23. Vercel AI Gateway data as of 2026-10-23. · tidelines.ai/compare/openai-gpt-6-luna-pro-vs-anthropic-claude-opus-5-5

Detail pages: OpenAI: GPT-6 Luna Pro · Anthropic: Claude Opus 5.5