{"slug": "gpt-5-5-according-to-alexandr-wang-metas-next-frontier-model-codenamed-has-up-5", "title": "GPT-5.5: According to Alexandr Wang, Meta’s next frontier model, codenamed Watermelon, has already caught up with OpenAI’s GPT-5.5 on internal benchmarks. The model is still training.", "summary": "OpenAI has released GPT-5.5, confirmed via official access on April 23, 2026. The model achieves a score of 96.6 on the Agentic#2 benchmark and 1474.62 on LM Arena, while Meta's rival model Watermelon reportedly matches its performance internally.", "body_md": "[OpenAI](/providers/openai)GPT-5.5\n\n# Is GPT-5.5 out yet?\n\nYes.\n\nHow we confirmed it\n\nReleased via official access\n\nApril 23, 2026 at 12:00 AM UTC\n\nWaiting for OpenAI's next model?\n\nOne click creates your free account (or signs you into an existing one) and turns on alerts for OpenAI releases. There's no password to set, and you can unsubscribe any time.\n\nBenchmarks\n\nAgentic#2\n\nGPT-5.5 · via BenchLM.ai · captured Jul 3, 2026 · [source](https://benchlm.ai/embed/leaderboard?category=agentic)\n\n96.6\n\nFrontierCode Diamond\n\nGPT-5.5 · via Epoch AI · captured Jul 3, 2026 · [source](https://epoch.ai/benchmarks/frontiercode)\n\n6.3\n\nGDP.pdf\n\nGPT-5.5 (xHigh reasoning) · via Epoch AI · captured Jul 3, 2026 · [source](https://epoch.ai/benchmarks/gdp-pdf)\n\n25\n\nLM Arena#16\n\ngpt-5.5 · via LM Arena · 38,470 votes · captured Jul 3, 2026 · [source](https://lmarena.ai/leaderboard)\n\n1474.62\n\nSourced metrics mirrored with attribution — not community sentiment.\n\nData from [BenchLM.ai](https://benchlm.ai).\n\nData from [Epoch AI, “AI Benchmarking Hub”](https://epoch.ai/benchmarks) (CC BY 4.0).\n\nVibe rating\n\nHow this model actually feels to use, rated by the people here.\n\nNo vibe ratings yet. Be the first.\n\n[Sign in](/signin) to rate this model.\n\nModel Pulse\n\nHow is this model behaving today? One check-in per person per day: the running record of “did they nerf it”. Resets at midnight UTC.\n\nNo check-ins yet today. Be the first to log how this model is behaving.\n\n[Sign in](/signin)\n\nCommunity consensus\n\nAn AI summary of the public comments here. Not a sourced fact.\n\nNot enough public feedback yet to summarize. Add a comment to help build the picture.\n\n[Compare GPT-5.5 with another model →](/compare?models=gpt-5-5)\n\nAlso waiting on: [ChatGPT 5.6](/models/chatgpt-5-6), [Gemini 3.5 Pro](/models/gemini-3-5-pro), [Claude Fable 5.1](/models/claude-fable-5-1), [Claude Mythos 5.1](/models/claude-mythos-5-1)\n\n## Comments\n\nMissing a model, or wishing OutYet did something it doesn't? [Tell us what to build](/submit).", "url": "https://wpnews.pro/news/gpt-5-5-according-to-alexandr-wang-metas-next-frontier-model-codenamed-has-up-5", "canonical_source": "https://outyet.ai/models/gpt-5-5", "published_at": "2026-07-03 00:00:00+00:00", "updated_at": "2026-07-07 01:25:09.976490+00:00", "lang": "en", "topics": ["large-language-models", "generative-ai", "ai-products", "ai-research"], "entities": ["OpenAI", "GPT-5.5", "Meta", "Watermelon", "Alexandr Wang", "BenchLM.ai", "Epoch AI", "LM Arena"], "alternates": {"html": "https://wpnews.pro/news/gpt-5-5-according-to-alexandr-wang-metas-next-frontier-model-codenamed-has-up-5", "markdown": "https://wpnews.pro/news/gpt-5-5-according-to-alexandr-wang-metas-next-frontier-model-codenamed-has-up-5.md", "text": "https://wpnews.pro/news/gpt-5-5-according-to-alexandr-wang-metas-next-frontier-model-codenamed-has-up-5.txt", "jsonld": "https://wpnews.pro/news/gpt-5-5-according-to-alexandr-wang-metas-next-frontier-model-codenamed-has-up-5.jsonld"}}