Tidelines — LLM usage and market share

Head to head · 2026-09-01

Anthropic logoAnthropic: Claude Fable 5 vs OpenAI logoOpenAI: GPT-5.6 Luna

Data source

Token share

Anthropic logoAnthropic: Claude Fable 5

0.23%

OpenAI logoOpenAI: GPT-5.6 Luna

10.88%

30d Δ

Anthropic logoAnthropic: Claude Fable 5

-0.10pp

OpenAI logoOpenAI: GPT-5.6 Luna

+2.44pp

Price — $ / M output

Anthropic logoAnthropic: Claude Fable 5

$50.00

OpenAI logoOpenAI: GPT-5.6 Luna

$1.20

Context window

Anthropic logoAnthropic: Claude Fable 5

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 2026-09-01 · Source: tidelines.ai/compare/anthropic-claude-5-fable-20260609-vs-openai-gpt-5-6-luna-20260709

Detail pages: Anthropic: Claude Fable 5 · OpenAI: GPT-5.6 Luna