OpenAI passes Anthropic in OpenRouter spend after Astra launch
GPT-6 Astra led dollars spent last week, while cut-price GPT-5.6 Luna dominated token volume across the two model families.
By Ryan Merket · Published
Primary source: Peter Walker on X
Why it matters
OpenAI's first weekly spend lead over Anthropic on OpenRouter since 2024 shows Astra winning premium workloads while Luna's pricing drives scale. One model family is competing for both margin and volume.
OpenAI models drew more spending than Anthropic models on OpenRouter last week, according to data posted on X by Peter Walker (@PeterJ_Walker), OpenRouter's head of insights. GPT-6 Astra took the largest share of dollars, while the far cheaper GPT-5.6 Luna processed the most tokens by a wide margin.
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