{"slug": "degraded-performance-for-claude-opus-5-and-claude-haiku-4-5", "title": "Degraded performance for Claude Opus 5 and Claude Haiku 4.5", "summary": "Anthropic reported degraded performance for Claude Opus 5 and Claude Haiku 4.5, with the incident page offering email and SMS updates for affected users. The status page did not specify the nature or expected resolution time of the degradation.", "body_md": "Subscribe to updates for Degraded performance for Claude Opus 5 and Claude Haiku 4.5 via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Claude creates or resolves an incident.\n\nVIA SMS:\nAfghanistan (+93)\nAlbania (+355)\nAlgeria (+213)\nAmerican Samoa (+1)\nAndorra (+376)\nAngola (+244)\nAnguilla (+1)\nAntigua and Barbuda (+1)\nArgentina (+54)\nArmenia (+374)\nAruba (+297)\nAustralia/Cocos/Christmas Island (+61)\nAustria (+43)\nAzerbaijan (+994)\nBahamas (+1)\nBahrain (+973)\nBangladesh (+880)\nBarbados (+1)\nBelarus (+375)\nBelgium (+32)\nBelize (+501)\nBenin (+229)\nBermuda (+1)\nBolivia (+591)\nBosnia and Herzegovina (+387)\nBotswana (+267)\nBrazil (+55)\nBrunei (+673)\nBulgaria (+359)\nBurkina Faso (+226)\nBurundi (+257)\nCambodia (+855)\nCameroon (+237)\nCanada (+1)\nCape Verde (+238)\nCayman Islands (+1)\nCentral Africa (+236)\nChad (+235)\nChile (+56)\nChina (+86)\nColombia (+57)\nComoros (+269)\nCongo (+242)\nCongo, Dem Rep (+243)\nCosta Rica (+506)\nCroatia (+385)\nCyprus (+357)\nCzech Republic (+420)\nDenmark (+45)\nDjibouti (+253)\nDominica (+1)\nDominican Republic (+1)\nEgypt (+20)\nEl Salvador (+503)\nEquatorial Guinea (+240)\nEstonia (+372)\nEthiopia (+251)\nFaroe Islands (+298)\nFiji (+679)\nFinland/Aland Islands (+358)\nFrance (+33)\nFrench Guiana (+594)\nFrench Polynesia (+689)\nGabon (+241)\nGambia (+220)\nGeorgia (+995)\nGermany (+49)\nGhana (+233)\nGibraltar (+350)\nGreece (+30)\nGreenland (+299)\nGrenada (+1)\nGuadeloupe (+590)\nGuam (+1)\nGuatemala (+502)\nGuinea (+224)\nGuyana (+592)\nHaiti (+509)\nHonduras (+504)\nHong Kong (+852)\nHungary (+36)\nIceland (+354)\nIndia (+91)\nIndonesia (+62)\nIraq (+964)\nIreland (+353)\nIsrael (+972)\nItaly (+39)\nJamaica (+1)\nJapan (+81)\nJordan (+962)\nKenya (+254)\nKorea, Republic of (+82)\nKosovo (+383)\nKuwait (+965)\nKyrgyzstan (+996)\nLaos (+856)\nLatvia (+371)\nLebanon (+961)\nLesotho (+266)\nLiberia (+231)\nLibya (+218)\nLiechtenstein (+423)\nLithuania (+370)\nLuxembourg (+352)\nMacao (+853)\nMacedonia (+389)\nMadagascar (+261)\nMalawi (+265)\nMalaysia (+60)\nMaldives (+960)\nMali (+223)\nMalta (+356)\nMartinique (+596)\nMauritania (+222)\nMauritius (+230)\nMexico (+52)\nMonaco (+377)\nMongolia (+976)\nMontenegro (+382)\nMontserrat (+1)\nMorocco/Western Sahara (+212)\nMozambique (+258)\nNamibia (+264)\nNepal (+977)\nNetherlands (+31)\nNew Zealand (+64)\nNicaragua (+505)\nNiger (+227)\nNigeria (+234)\nNorway (+47)\nOman (+968)\nPakistan (+92)\nPalestinian Territory (+970)\nPanama (+507)\nParaguay (+595)\nPeru (+51)\nPhilippines (+63)\nPoland (+48)\nPortugal (+351)\nPuerto Rico (+1)\nQatar (+974)\nReunion/Mayotte (+262)\nRomania (+40)\nRussia/Kazakhstan (+7)\nRwanda (+250)\nSamoa (+685)\nSan Marino (+378)\nSaudi Arabia (+966)\nSenegal (+221)\nSerbia (+381)\nSeychelles (+248)\nSierra Leone (+232)\nSingapore (+65)\nSlovakia (+421)\nSlovenia (+386)\nSouth Africa (+27)\nSpain (+34)\nSri Lanka (+94)\nSt Kitts and Nevis (+1)\nSt Lucia (+1)\nSt Vincent Grenadines (+1)\nSudan (+249)\nSuriname (+597)\nSwaziland (+268)\nSweden (+46)\nSwitzerland (+41)\nTaiwan (+886)\nTajikistan (+992)\nTanzania (+255)\nThailand (+66)\nTogo (+228)\nTonga (+676)\nTrinidad and Tobago (+1)\nTunisia (+216)\nTurkey (+90)\nTurks and Caicos Islands (+1)\nUganda (+256)\nUkraine (+380)\nUnited Arab Emirates (+971)\nUnited Kingdom (+44)\nUnited States (+1)\nUruguay (+598)\nUzbekistan (+998)\nVenezuela (+58)\nVietnam (+84)\nVirgin Islands, British (+1)\nVirgin Islands, U.S. (+1)\nYemen (+967)\nZambia (+260)\nZimbabwe (+263)\n\nEnter mobile number\n\nEnter the OTP sent\nTo receive SMS updates, please verify your number. To proceed with just email click ‘Subscribe’", "url": "https://wpnews.pro/news/degraded-performance-for-claude-opus-5-and-claude-haiku-4-5", "canonical_source": "https://status.claude.com/incidents/hkcw95k7r0f4", "published_at": "2026-08-19 11:02:18+00:00", "updated_at": "2026-08-20 04:15:04.378407+00:00", "lang": "en", "topics": ["ai-products", "ai-infrastructure"], "entities": ["Anthropic", "Claude Opus 5", "Claude Haiku 4.5"], "alternates": {"html": "https://wpnews.pro/news/degraded-performance-for-claude-opus-5-and-claude-haiku-4-5", "markdown": "https://wpnews.pro/news/degraded-performance-for-claude-opus-5-and-claude-haiku-4-5.md", "text": "https://wpnews.pro/news/degraded-performance-for-claude-opus-5-and-claude-haiku-4-5.txt", "jsonld": "https://wpnews.pro/news/degraded-performance-for-claude-opus-5-and-claude-haiku-4-5.jsonld"}}