Two big models dropped today: OpenAI’s GPT-6 Sol and Anthropic’s Claude Opus 5.5.

We had a separate Vibe Check prepared for Sol, but with both arriving today, you’re probably wondering: Should I use Sol 6 or Opus 5.5? So here’s a short Vibe Check to help you answer exactly that question, based on our experience and evals testing both models extensively on the work we do every day.

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","freeContentEncoded","textContent","published","strategy","curl-ready","locked","deletedAt","isSyncedFromOwnBlog","original","duplicatesCount",0,"duplicateVersion","originalArticleId","errorsCount","appearance","color","backgroundColor","shortSummary","Wondering which new AI model to use? We put OpenAI's GPT-6 Sol and Anthropic's Claude Opus 5.5 head-to-head to see how they stack up on everyday tasks.","summary","Today saw the release of two major AI models: OpenAI's GPT-6 Sol and Anthropic's Claude Opus 5.5. This article provides a comparison to help users decide between the two. The evaluation is based on extensive experience and testing of both models on daily tasks.","bullets",[683,684,685,686,687],"persons",[682,427],"places",[],"words",101,"sentiment","subject","tech","meta",{"_312":645,"_646":647,"_648":649},"eventId","64e8cc06f9697070547a41daa30024dbe9351da19fc4d27356e3ef0749cbf8b7","nostrRootEvent","event",{"_24":275,"_610":633,"_149":95,"_202":634,"_614":615,"_236":635,"_617":636},"authorNPub","markdown","Two big models dropped today: OpenAI’s GPT-6 Sol and Anthropic’s Claude [Opus 5.5](https://every.to/vibe-check/vibe-check-opus-5-5-is-pulling-our-codex-converts-back-to-claude?utm_cta_source=post_4491_post_body_opus_5_5_1).\n\nWe had a separate Vibe Check prepared for Sol, but with both arriving today, you’re probably wondering: Should I use Sol 6 or Opus 5.5? So here’s a short Vibe Check to help you answer exactly that question, based on our experience and evals testing both models extensively on the work we do every day.\n\nCreate a free account to unlock this article\n\nThis article is for paid members only\n\n[![](/_next/image?url=https%3A%2F%2Fd24ovhgu8s7341.cloudfront.net%2Fregwall%2Fgoogle-g.svg&w=64&q=75)Continue with Google](/api/auth/oauth/google?mode=login&return_to=%2Fonboarding%3Fredirect_url%3D%252Fvibe-check%252Fvibe-check-gpt-6-sol-vs-opus-5-5%26flow%3Dlogin%26unlock_slug%3Dvibe-check-gpt-6-sol-vs-opus-5-5)\n\n[Sign up with email](/subscribe?redirect_url=%2Fonboarding%3Fredirect_url%3D%252Fvibe-check%252Fvibe-check-gpt-6-sol-vs-opus-5-5%26flow%3Dlogin%26unlock_slug%3Dvibe-check-gpt-6-sol-vs-opus-5-5&utm_cta_source=regwall)\n\nAlready have an account? [Log in](/login?redirect_url=%2Fonboarding%3Fredirect_url%3D%252Fvibe-check%252Fvibe-check-gpt-6-sol-vs-opus-5-5%26flow%3Dlogin%26unlock_slug%3Dvibe-check-gpt-6-sol-vs-opus-5-5&utm_cta_source=post_4491_page_log_in_1)\n\n[View all login options](/subscribe?redirect_url=%2Fonboarding%3Fredirect_url%3D%252Fvibe-check%252Fvibe-check-gpt-6-sol-vs-opus-5-5%26flow%3Dlogin%26unlock_slug%3Dvibe-check-gpt-6-sol-vs-opus-5-5&utm_cta_source=regwall)","freeMarkdown","kind1EventId","kind30023EventId","e4b2df8d1947e384df9e30d4f080e882fe06c88ca7aa1d3d02e2f558371aaa71","kind30023",{"_24":285,"_610":611,"_149":612,"_202":613,"_614":615,"_236":616,"_617":618},"publishedToNostr","htmlContentKind30023","

Two big models dropped today: OpenAI’s GPT-6 Sol and Anthropic’s Claude Opus 5.5.

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