[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"article-claude-sonnet-4-8-not-released-may-2026-en":3,"article-related-claude-sonnet-4-8-not-released-may-2026-en":31,"series-model-release-0956c8e3-a350-4e60-9f08-a507adcb174f":80},{"id":4,"slug":5,"title":6,"content":7,"summary":8,"source":9,"source_url":10,"author":11,"image_url":12,"cover_image":12,"category":13,"language":14,"translated_content":11,"related_article_id":15,"keywords":16,"key_takeaways":22,"views":27,"created_at":28,"published_at":29,"topic_cluster_id":30},"0956c8e3-a350-4e60-9f08-a507adcb174f","claude-sonnet-4-8-not-released-may-2026-en","Claude Sonnet 4.8: not released as of May 25","\u003Cp data-speakable=\"summary\">Claude Sonnet 4.8 is still unannounced, and \u003Ca href=\"\u002Ftag\u002Fanthropic\">Anthropic\u003C\u002Fa>’s current Sonnet remains 4.6.\u003C\u002Fp>\u003Cp>Claude Sonnet 4.8 is not released as of May 25, 2026. Anthropic has not posted an announcement, published an API model id, or shared benchmarks, pricing, or a date.\u003C\u002Fp>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>項目\u003C\u002Fth>\u003Cth>數值\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>Status date\u003C\u002Ftd>\u003Ctd>May 25, 2026\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Current Sonnet\u003C\u002Ftd>\u003Ctd>Claude Sonnet 4.6\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Current flagship\u003C\u002Ftd>\u003Ctd>Claude Opus 4.7\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Sonnet 4.6 pricing\u003C\u002Ftd>\u003Ctd>$3 \u002F $15 per MTok\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Sonnet 4.6 context\u003C\u002Ftd>\u003Ctd>1M tokens\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Manifold market close\u003C\u002Ftd>\u003Ctd>3%\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Sonnet 4.6 release\u003C\u002Ftd>\u003Ctd>February 17, 2026\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Opus 4.7 release\u003C\u002Ftd>\u003Ctd>April 16, 2026\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Ch2>What changed\u003C\u002Fh2>\u003Cp>The rumor came from a single leaked string in the \u003Ca href=\"https:\u002F\u002Fwww.anthropic.com\u002F\" target=\"_blank\" rel=\"noopener\">Anthropic\u003C\u002Fa> \u003Ca href=\"\u002Ftag\u002Fclaude-code\">Claude Code\u003C\u002Fa> source bundle, exposed after a source-map file shipped with the @anthropic-ai\u002Fclaude-code npm package on March 31, 2026. That dump surfaced unreleased model references, including a mention of Sonnet 4.8, but no matching product page, API alias, or official post.\u003C\u002Fp>\n\u003Cfigure class=\"my-6\">\u003Cimg src=\"https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1779764757036-ba0s.png\" alt=\"Claude Sonnet 4.8: not released as of May 25\" class=\"rounded-xl w-full\" loading=\"lazy\" \u002F>\u003C\u002Ffigure>\n\u003Cp>Anthropic’s public model list still shows \u003Ca href=\"https:\u002F\u002Fwww.anthropic.com\u002Fnews\u002Fclaude-sonnet-4-6\" target=\"_blank\" rel=\"noopener\">Claude Sonnet 4.6\u003C\u002Fa> as the current Sonnet tier and \u003Ca href=\"https:\u002F\u002Fwww.anthropic.com\u002Fnews\u002Fclaude-opus-4-7\" target=\"_blank\" rel=\"noopener\">Claude Opus 4.7\u003C\u002Fa> as the flagship. The lineup also includes Claude Haiku 4.5, while the separate \u003Ca href=\"https:\u002F\u002Fwww.anthropic.com\u002Fnews\u002Fproject-glasswing\" target=\"_blank\" rel=\"noopener\">Project Glasswing\u003C\u002Fa> research model, \u003Ca href=\"\u002Ftag\u002Fclaude-mythos\">Claude Mythos\u003C\u002Fa> Preview, is invitation-only and not a Sonnet successor.\u003C\u002Fp>\u003Cul>\u003Cli>No Anthropic announcement for Sonnet 4.8.\u003C\u002Fli>\u003Cli>No claude-sonnet-4-8 API id or alias.\u003C\u002Fli>\u003Cli>No benchmark table, context update, or price sheet.\u003C\u002Fli>\u003Cli>Manifold’s release market closed at 3% and resolved no.\u003C\u002Fli>\u003C\u002Ful>\u003Ch2>Why it matters\u003C\u002Fh2>\u003Cp>For developers, the practical choice has not changed: use Sonnet 4.6 for balanced coding and agent work, or move to \u003Ca href=\"\u002Ftag\u002Fopus-47\">Opus 4.7\u003C\u002Fa> when deeper reasoning matters. Teams waiting on 4.8 should not treat the rumor as a deployable target, because there is still nothing to test, price, or \u003Ca href=\"\u002Ftag\u002Fbenchmark\">benchmark\u003C\u002Fa>.\u003C\u002Fp>\n\u003Cfigure class=\"my-6\">\u003Cimg src=\"https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1779764752573-4qkq.png\" alt=\"Claude Sonnet 4.8: not released as of May 25\" class=\"rounded-xl w-full\" loading=\"lazy\" \u002F>\u003C\u002Ffigure>\n\u003Cp>The bigger signal is cadence. Anthropic has historically kept Sonnet releases close to the matching Opus version, and skipping from 4.6 to 4.8 would be unusual. That makes a near-term Sonnet 4.7 more plausible than a direct 4.8 jump, even if Anthropic eventually ships both.\u003C\u002Fp>\u003Cp>For the market, the delay leaves room for rivals that moved in the same window, including OpenAI’s GPT-5.5 and DeepSeek’s V4 Preview. If you run model evals for coding agents, the right move is to compare what is actually available now, not wait on a name that has not been shipped.\u003C\u002Fp>\u003Cp>The short version: Claude Sonnet 4.8 is a rumor, not a release, and the only safe plan today is to build around Sonnet 4.6 or Opus 4.7.\u003C\u002Fp>","Claude Sonnet 4.8 is still unannounced. Anthropic’s current Sonnet is 4.6, and the 4.8 rumor rests on one leaked source string.","codersera.com","https:\u002F\u002Fcodersera.com\u002Fblog\u002Fclaude-sonnet-4-8-release-date-whats-new-2026\u002F",null,"https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1779764757036-ba0s.png","model-release","en","50f7e692-c1e1-4d2c-95d3-7aef6ea7e2b4",[17,18,19,20,21],"Claude Sonnet 4.8","Anthropic","Claude Code","model release","AI coding",[23,24,25,26],"Sonnet 4.8 is unannounced and unusable today.","Anthropic’s current Sonnet is 4.6; Opus 4.7 is the flagship.","The rumor rests on one leaked source string, not a launch.","Teams should benchmark against models that are shipping now.",9,"2026-05-26T03:05:29.688998+00:00","2026-05-26T03:05:29.682+00:00","1bae1133-d241-4581-9332-fbf39690c319",{"tags":32,"relatedLang":39,"relatedPosts":43},[33,35,37],{"name":19,"slug":34},"claude-code",{"name":18,"slug":36},"anthropic",{"name":21,"slug":38},"ai-coding",{"id":15,"slug":40,"title":41,"language":42},"claude-sonnet-4-8-not-released-may-2026-zh","Claude Sonnet 4.8 仍未發布","zh",[44,50,56,62,68,74],{"id":45,"slug":46,"title":47,"cover_image":48,"image_url":48,"created_at":49,"category":13},"f859c7fa-57a1-4826-8bd4-05d6b6f2ef3f","gpt-5-6-three-variants-lower-token-costs-en","GPT-5.6 arrives in three variants with lower token costs","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1784282583335-rqq3.png","2026-07-17T10:02:36.745516+00:00",{"id":51,"slug":52,"title":53,"cover_image":54,"image_url":54,"created_at":55,"category":13},"1e39ce22-07bb-4157-9431-44f1f8dab813","gpt-56-sol-terra-luna-digitalocean-inference-en","GPT-5.6 Sol, Terra, Luna arrive on DigitalOcean","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1784273582114-y5io.png","2026-07-17T07:32:36.95126+00:00",{"id":57,"slug":58,"title":59,"cover_image":60,"image_url":60,"created_at":61,"category":13},"c6c336f0-ee1b-4679-a2db-f8f8058d2bbf","grok-4-5-rise-five-numbers-en","Grok 4.5’s rise comes down to 5 numbers","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1784235774555-6kne.png","2026-07-16T21:02:32.185149+00:00",{"id":63,"slug":64,"title":65,"cover_image":66,"image_url":66,"created_at":67,"category":13},"fbfaa5f6-56e4-4ff3-8767-acd07c70ef63","grok-4-5-one-prompt-agent-work-en","Grok 4.5 turns agent work into one prompt","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1784232197624-3z0v.png","2026-07-16T20:02:54.506174+00:00",{"id":69,"slug":70,"title":71,"cover_image":72,"image_url":72,"created_at":73,"category":13},"79d1dd19-334a-47dc-b662-814da4bcb71f","kimi-api-quickstart-k27-code-highspeed-en","Kimi API quickstart adds K2.7 Code and 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