OpenAI Jumps From 20% to 50% Share vs Anthropic on OpenRouter Since June

ivan_bezdomny · x · 2026-09-17

Per OpenRouter data cited by Gavin Baker, OpenAI's share versus Anthropic has surged from 20% to 50% since June (Anthropic fell from 80% to 50%). theo adds context: Anthropic's APIs have long been notoriously unreliable, so the only sensible way to use its models was via OpenRouter, which fell back to AWS Bedrock and Google Cloud to meaningfully improve reliability.

Related event: OpenAI Overtakes Anthropic in OpenRouter Wallet Share for First Time in 2.5 Years(13 posts)→

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