Merge Gateway adds GPT-6 Sol and Luna

Merge @merge_apiOriginally posted 2026.09.23

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GPT-6 Sol and GPT-6 Luna from OpenAI (@OpenAI) are now available on Merge Gateway. Both cost half as much as the 5.6 series, and OpenAI says Sol makes about half as many mistakes as GPT-5.6 Sol. Sol for coding, Luna for high-volume extraction and summaries. Check it out: https://docs.merge.dev/merge-gateway/models/catalog