Tidelines — LLM usage and market share

Head to head · 2026-10-23

Anthropic logoAnthropic: Claude Fable 5.1 vs OpenAI logoOpenAI: GPT-6 Luna

Data source

Token share

Anthropic logoAnthropic: Claude Fable 5.1

0.32%

OpenAI logoOpenAI: GPT-6 Luna

5.97%

30d Δ

Anthropic logoAnthropic: Claude Fable 5.1

+0.04pp

OpenAI logoOpenAI: GPT-6 Luna

+3.91pp

Price — $ / M output

Anthropic logoAnthropic: Claude Fable 5.1

$50.00

OpenAI logoOpenAI: GPT-6 Luna

$0.50

Context window

Anthropic logoAnthropic: Claude Fable 5.1

1000k

OpenAI logoOpenAI: GPT-6 Luna

1050k

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/anthropic-claude-fable-5-1-20260831-vs-openai-gpt-6-luna-20260922

Detail pages: Anthropic: Claude Fable 5.1 · OpenAI: GPT-6 Luna