Tidelines — LLM usage and market share

Head to head · 2026-10-24

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

Data source

Token share

Anthropic logoAnthropic: Claude Opus 5.5

4.36%

OpenAI logoOpenAI: GPT-6 Luna Pro

0.20%

30d Δ

Anthropic logoAnthropic: Claude Opus 5.5

+3.33pp

OpenAI logoOpenAI: GPT-6 Luna Pro

-0.05pp

Price — $ / M output

Anthropic logoAnthropic: Claude Opus 5.5

$20.00

OpenAI logoOpenAI: GPT-6 Luna Pro

$0.50

Context window

Anthropic logoAnthropic: Claude Opus 5.5

1000k

OpenAI logoOpenAI: GPT-6 Luna Pro

1050k

Share of tokens over time

Tidelines — LLM usage and market share
Source: OpenRouter (openrouter.ai/rankings), as of 2026-10-24. Vercel AI Gateway data as of 2026-10-24. · tidelines.ai/compare/anthropic-claude-opus-5-5-vs-openai-gpt-6-luna-pro

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