Tidelines — LLM usage and market share

Head to head · 2026-09-05

Anthropic logoAnthropic: Claude Fable 5.1 vs OpenAI logoOpenAI: GPT-5.6 Luna

Data source

Token share

Anthropic logoAnthropic: Claude Fable 5.1

0.26%

OpenAI logoOpenAI: GPT-5.6 Luna

13.12%

30d Δ

Anthropic logoAnthropic: Claude Fable 5.1

-0.11pp

OpenAI logoOpenAI: GPT-5.6 Luna

+6.59pp

Price — $ / M output

Anthropic logoAnthropic: Claude Fable 5.1

$50.00

OpenAI logoOpenAI: GPT-5.6 Luna

$1.20

Context window

Anthropic logoAnthropic: Claude Fable 5.1

1000k

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 2026-09-05 · Source: tidelines.ai/compare/anthropic-claude-fable-5-1-20260831-vs-openai-gpt-5-6-luna-20260709

Detail pages: Anthropic: Claude Fable 5.1 · OpenAI: GPT-5.6 Luna