Anthropic's share of spend and of tokens, as reported by Ramp, Vercel AI Gateway and OpenRouter. Each source sees a different slice of the market, so their levels differ. The charts show how far apart they are, not which source is right.
Anthropic's share of all tokens varies widely between sources and over time; by the end of September 2026 it stood at 42% on Ramp, 11% on Vercel and 3% on OpenRouter (4-week averages).
Anthropic's share of all spend varies widely between sources and over time; by the end of September 2026 it stood at 53% on Ramp, 47% on Vercel and 28% on OpenRouter (4-week averages).
Source: Ramp AI Index (ramp.com/data/ai-index), as of 2026-10-10; © 2026 Vercel, "AI Gateway Leaderboard Data" (vercel.com/ai-gateway/leaderboards), CC BY 4.0, as of 2026-10-10; OpenRouter (openrouter.ai/rankings), as of 2026-10-10; LiteLLM model prices (github.com/BerriAI/litellm), MIT