{"slug": "gpt-5-pro", "name": "GPT-5 Pro", "category": "ai", "category_name": "AI models and assistants", "description": "OpenAI's higher-compute GPT-5 model tier for harder reasoning tasks, offered via ChatGPT Pro.", "recommenders": 5, "commenters": 7, "warners": 1, "score": 3.677, "rising": -1.64, "first": "2025-12-22", "latest": "2026-07-05", "why": "Used as a second-opinion reviewer that catches what other models missed in code and plans, and for hard problems, specs and tasks given a large pasted context.", "why_is_quote": false, "has_verdict": true, "sentiment": {"recommend": 5, "neutral": 2, "compare": 0, "warn": 1}, "spark": [0, 2, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0], "listed": true, "loved": ["Catches misses", "Hard problems"], "caveat": "High cost", "short_quote": "Then I paste the subset of files into GPT 5.2 Pro, and give it $TASK.", "icon": false, "domain": null, "github_repo": null, "official_url": "", "pricing": "paid", "aliases": ["GPT-5.2 Pro", "GPT-5.5 Pro", "GPT 5.5 Pro", "GPT-5.5-Pro"], "verdict": [{"text": "Used as a second-opinion reviewer that catches what other models missed in code and plans,", "cites": [{"id": 779292849, "item_id": 48705803, "url": "https://news.ycombinator.com/item?id=48705803", "by": "A_D_E_P_T", "date": "2026-06-28", "stance": "recommend", "quote": "The latter will often pick up on things that might have been missed, and will usually provide good suggestions.", "excerpt": "> I haven't managed to really figure out what's the best way For you, the best way is to break your code down into modules insofar as possible, so that you don't overrun the context window. Opus Max starts forgetting things the minute it begins compressing your conversation -- and multiple compressions can make for gaps in memory. I find that it's also important to have another model serve as review/critique. I use O", "context": "", "use_case": "code review", "switched_from": "", "story": "Ford hired AI and sacked humans. It backfired badly"}, {"id": 776090963, "item_id": 48505685, "url": "https://news.ycombinator.com/item?id=48505685", "by": "saberience", "date": "2026-06-12", "stance": "recommend", "quote": "Codex usually ends up finding missing things in Claudes plan.", "excerpt": "I use Codex and Claude Code. I've used both Codex and CC since release with basically every model they've ever released, I always try both for almost every plan that I write and benchmark the plans against each other, Claude almost always acknowledges that the Codex plan is better! Even now with Fable, this still happens. As in, I give the exact same prompt to Fable and GPT 5.5 Pro, then produce the plans, then give ", "context": "", "use_case": "plan writing and review", "switched_from": "", "story": "Claude Fable is relentlessly proactive"}]}, {"text": " and for hard problems, specs and tasks given a large pasted context.", "cites": [{"id": 741734720, "item_id": 46358420, "url": "https://news.ycombinator.com/item?id=46358420", "by": "wahnfrieden", "date": "2025-12-22", "stance": "recommend", "quote": "I like Pro also for better access to 5.2 Pro which is indispensable for some problems", "excerpt": "I like Pro also for better access to 5.2 Pro which is indispensable for some problems and for producing specs/code samples. I use https://gitingest.com", "context": "", "use_case": "specs and code samples", "switched_from": "", "story": "A guide to local coding models"}, {"id": 746055505, "item_id": 46628469, "url": "https://news.ycombinator.com/item?id=46628469", "by": "energy123", "date": "2026-01-14", "stance": "recommend", "quote": "Then I paste the subset of files into GPT 5.2 Pro, and give it $TASK.", "excerpt": "I open 4 chat windows with Gemini 3.0 Pro. I paste in all file contents to each window. I ask them \"which files would an AI need to do $TASK effectively?\" Each of the 4 responses will disagree, despite some overlap. I take the union of the 4 responses as the canonical set of files that an implementer would need to see. This reduces the risk of missing key files, while increasing the risk of including marginally impor", "context": "", "use_case": "implementing the task", "switched_from": "", "story": "Ask HN: What is best way to provide continuous context to models?"}, {"id": 742177216, "item_id": 46386076, "url": "https://news.ycombinator.com/item?id=46386076", "by": "nake13", "date": "2025-12-25", "stance": "recommend", "quote": "I used ChatGPT-5.2-Pro mainly to explore and compare different compression approaches and trade-offs.", "excerpt": "I built a very similar experiment about 10 days ago and shared it here (the post is in Chinese):https://x.com/nake13/status/2000401664923324439 My focus was on finding a good text\u2192URL-slug compression strategy. I used ChatGPT-5.2-Pro mainly to explore and compare different compression approaches and trade-offs.", "context": "", "use_case": "exploring compression approaches", "switched_from": "", "story": "Show HN: Minimalist editor that lives in browser, stores everything in the URL"}]}, {"text": " The main caveats are cost, at about 6x the price of standard GPT-5.5,", "cites": [{"id": 776048352, "item_id": 48503022, "url": "https://news.ycombinator.com/item?id=48503022", "by": "simonw", "date": "2026-06-12", "stance": "warn", "quote": "GPT-5.5 Pro is a notoriously expensive model, it's 6x the price of GPT-5.5. Not something to use as a daily driver!", "excerpt": "GPT-5.5 Pro is a notoriously expensive model, it's 6x the price of GPT-5.5. Not something to use as a daily driver! That ten coding sessions a day with Opus number feels more credible to me.", "context": "", "use_case": "", "switched_from": "", "story": "Claude Fable is relentlessly proactive"}]}, {"text": " and slowness that makes it better suited to prompts you check on later.", "cites": [{"id": 780806848, "item_id": 48800428, "url": "https://news.ycombinator.com/item?id=48800428", "by": "trollbridge", "date": "2026-07-05", "stance": "neutral", "quote": "5.5 Pro is so slow that it\u2019s not a big deal to paste big prompts into it", "excerpt": "I don\u2019t know how anyone can realistically use the \u201cbusiness\u201d plans - you blow through your quota so quickly. I use a consumer Pro account ($100 a month) and don\u2019t hit the usage limits nearly as quickly. 5.5 Pro is so slow that it\u2019s not a big deal to paste big prompts into it and come back and check on it an hour later.", "context": "", "use_case": "large prompts", "switched_from": "", "story": "GPT-5.6 Sol Ultra will be in Codex"}]}], "praise": [{"label": "Catches misses", "summary": "Commenters use it to review code or plans from other models and say it often finds things they missed.", "quotes": [{"id": 779292849, "item_id": 48705803, "url": "https://news.ycombinator.com/item?id=48705803", "by": "A_D_E_P_T", "date": "2026-06-28", "stance": "recommend", "quote": "The latter will often pick up on things that might have been missed, and will usually provide good suggestions.", "excerpt": "> I haven't managed to really figure out what's the best way For you, the best way is to break your code down into modules insofar as possible, so that you don't overrun the context window. Opus Max starts forgetting things the minute it begins compressing your conversation -- and multiple compressions can make for gaps in memory. I find that it's also important to have another model serve as review/critique. I use O", "context": "", "use_case": "code review", "switched_from": "", "story": "Ford hired AI and sacked humans. It backfired badly"}, {"id": 776090963, "item_id": 48505685, "url": "https://news.ycombinator.com/item?id=48505685", "by": "saberience", "date": "2026-06-12", "stance": "recommend", "quote": "Codex usually ends up finding missing things in Claudes plan.", "excerpt": "I use Codex and Claude Code. I've used both Codex and CC since release with basically every model they've ever released, I always try both for almost every plan that I write and benchmark the plans against each other, Claude almost always acknowledges that the Codex plan is better! Even now with Fable, this still happens. As in, I give the exact same prompt to Fable and GPT 5.5 Pro, then produce the plans, then give ", "context": "", "use_case": "plan writing and review", "switched_from": "", "story": "Claude Fable is relentlessly proactive"}]}, {"label": "Hard problems", "summary": "Described as indispensable for some problems and useful for producing specs and code samples.", "quotes": [{"id": 741734720, "item_id": 46358420, "url": "https://news.ycombinator.com/item?id=46358420", "by": "wahnfrieden", "date": "2025-12-22", "stance": "recommend", "quote": "I like Pro also for better access to 5.2 Pro which is indispensable for some problems", "excerpt": "I like Pro also for better access to 5.2 Pro which is indispensable for some problems and for producing specs/code samples. I use https://gitingest.com", "context": "", "use_case": "specs and code samples", "switched_from": "", "story": "A guide to local coding models"}, {"id": 746055505, "item_id": 46628469, "url": "https://news.ycombinator.com/item?id=46628469", "by": "energy123", "date": "2026-01-14", "stance": "recommend", "quote": "Then I paste the subset of files into GPT 5.2 Pro, and give it $TASK.", "excerpt": "I open 4 chat windows with Gemini 3.0 Pro. I paste in all file contents to each window. I ask them \"which files would an AI need to do $TASK effectively?\" Each of the 4 responses will disagree, despite some overlap. I take the union of the 4 responses as the canonical set of files that an implementer would need to see. This reduces the risk of missing key files, while increasing the risk of including marginally impor", "context": "", "use_case": "implementing the task", "switched_from": "", "story": "Ask HN: What is best way to provide continuous context to models?"}]}, {"label": "Exploring trade-offs", "summary": "Used to explore and compare different technical approaches and their trade-offs.", "quotes": [{"id": 742177216, "item_id": 46386076, "url": "https://news.ycombinator.com/item?id=46386076", "by": "nake13", "date": "2025-12-25", "stance": "recommend", "quote": "I used ChatGPT-5.2-Pro mainly to explore and compare different compression approaches and trade-offs.", "excerpt": "I built a very similar experiment about 10 days ago and shared it here (the post is in Chinese):https://x.com/nake13/status/2000401664923324439 My focus was on finding a good text\u2192URL-slug compression strategy. I used ChatGPT-5.2-Pro mainly to explore and compare different compression approaches and trade-offs.", "context": "", "use_case": "exploring compression approaches", "switched_from": "", "story": "Show HN: Minimalist editor that lives in browser, stores everything in the URL"}]}], "caveats": [{"label": "High cost", "summary": "Called notoriously expensive, about 6x the price of GPT-5.5, and not a daily driver.", "quotes": [{"id": 776048352, "item_id": 48503022, "url": "https://news.ycombinator.com/item?id=48503022", "by": "simonw", "date": "2026-06-12", "stance": "warn", "quote": "GPT-5.5 Pro is a notoriously expensive model, it's 6x the price of GPT-5.5. Not something to use as a daily driver!", "excerpt": "GPT-5.5 Pro is a notoriously expensive model, it's 6x the price of GPT-5.5. Not something to use as a daily driver! That ten coding sessions a day with Opus number feels more credible to me.", "context": "", "use_case": "", "switched_from": "", "story": "Claude Fable is relentlessly proactive"}]}, {"label": "Slow responses", "summary": "So slow that one commenter pastes in big prompts and checks back an hour later.", "quotes": [{"id": 780806848, "item_id": 48800428, "url": "https://news.ycombinator.com/item?id=48800428", "by": "trollbridge", "date": "2026-07-05", "stance": "neutral", "quote": "5.5 Pro is so slow that it\u2019s not a big deal to paste big prompts into it", "excerpt": "I don\u2019t know how anyone can realistically use the \u201cbusiness\u201d plans - you blow through your quota so quickly. I use a consumer Pro account ($100 a month) and don\u2019t hit the usage limits nearly as quickly. 5.5 Pro is so slow that it\u2019s not a big deal to paste big prompts into it and come back and check on it an hour later.", "context": "", "use_case": "large prompts", "switched_from": "", "story": "GPT-5.6 Sol Ultra will be in Codex"}]}], "who": [{"by": "trollbridge", "context": "team of 6", "url": "https://news.ycombinator.com/item?id=48646784", "date": "2026-06-23"}], "tags": ["for code review", "for comparing plans", "for writing specs", "for large-context tasks"], "use_cases": ["large prompts", "code review", "plan writing and review", "implementing the task", "exploring compression approaches", "specs and code samples"], "compared": [{"slug": "codex", "name": "Codex", "co": 3, "switched_from": 0, "switched_to": 0}, {"slug": "claude-opus", "name": "Claude Opus", "co": 2, "switched_from": 0, "switched_to": 0}, {"slug": "claude-code", "name": "Claude Code", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=48498573", "title": "Claude Fable is relentlessly proactive", "mentions": 2}, {"url": "https://news.ycombinator.com/item?id=48799614", "title": "GPT-5.6 Sol Ultra will be in Codex", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48703968", "title": "Ford hired AI and sacked humans. It backfired badly", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48646276", "title": "AI's Affordability Crisis", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46626639", "title": "Ask HN: What is best way to provide continuous context to models?", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46378554", "title": "Show HN: Minimalist editor that lives in browser, stores everything in the URL", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {"recommend": 2}, "2026-01": {"recommend": 1}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {"warn": 1, "recommend": 2, "neutral": 1}, "2026-07": {"neutral": 1}, "2026-08": {}, "2026-09": {}, "2026-10": {}}, "quotes": [{"id": 780806848, "item_id": 48800428, "url": "https://news.ycombinator.com/item?id=48800428", "by": "trollbridge", "date": "2026-07-05", "stance": "neutral", "quote": "5.5 Pro is so slow that it\u2019s not a big deal to paste big prompts into it", "excerpt": "I don\u2019t know how anyone can realistically use the \u201cbusiness\u201d plans - you blow through your quota so quickly. I use a consumer Pro account ($100 a month) and don\u2019t hit the usage limits nearly as quickly. 5.5 Pro is so slow that it\u2019s not a big deal to paste big prompts into it and come back and check on it an hour later.", "context": "", "use_case": "large prompts", "switched_from": "", "story": "GPT-5.6 Sol Ultra will be in Codex"}, {"id": 779292849, "item_id": 48705803, "url": "https://news.ycombinator.com/item?id=48705803", "by": "A_D_E_P_T", "date": "2026-06-28", "stance": "recommend", "quote": "The latter will often pick up on things that might have been missed, and will usually provide good suggestions.", "excerpt": "> I haven't managed to really figure out what's the best way For you, the best way is to break your code down into modules insofar as possible, so that you don't overrun the context window. Opus Max starts forgetting things the minute it begins compressing your conversation -- and multiple compressions can make for gaps in memory. I find that it's also important to have another model serve as review/critique. I use O", "context": "", "use_case": "code review", "switched_from": "", "story": "Ford hired AI and sacked humans. It backfired badly"}, {"id": 778348544, "item_id": 48646784, "url": "https://news.ycombinator.com/item?id=48646784", "by": "trollbridge", "date": "2026-06-23", "stance": "neutral", "quote": "I use OpenAI via a subscription, as is anyone else using GPT-5.5-Pro", "excerpt": "The article fails to mention DeepSeek, Alibaba, Qwen, Xiaomi, MiMo, z.ai, or GLM. It's hard to take such an article seriously that doesn't do this. (Our monthly total spend is around $180 with a team of 6, about half technical; our biggest line items are for American models or subscriptions which we probably will be planning to get rid of.) And then remarks like this: Anthropic, OpenAI and Microsoft have all now tran", "context": "team of 6", "use_case": "", "switched_from": "", "story": "AI's Affordability Crisis"}, {"id": 776090963, "item_id": 48505685, "url": "https://news.ycombinator.com/item?id=48505685", "by": "saberience", "date": "2026-06-12", "stance": "recommend", "quote": "Codex usually ends up finding missing things in Claudes plan.", "excerpt": "I use Codex and Claude Code. I've used both Codex and CC since release with basically every model they've ever released, I always try both for almost every plan that I write and benchmark the plans against each other, Claude almost always acknowledges that the Codex plan is better! Even now with Fable, this still happens. As in, I give the exact same prompt to Fable and GPT 5.5 Pro, then produce the plans, then give ", "context": "", "use_case": "plan writing and review", "switched_from": "", "story": "Claude Fable is relentlessly proactive"}, {"id": 776048352, "item_id": 48503022, "url": "https://news.ycombinator.com/item?id=48503022", "by": "simonw", "date": "2026-06-12", "stance": "warn", "quote": "GPT-5.5 Pro is a notoriously expensive model, it's 6x the price of GPT-5.5. Not something to use as a daily driver!", "excerpt": "GPT-5.5 Pro is a notoriously expensive model, it's 6x the price of GPT-5.5. Not something to use as a daily driver! That ten coding sessions a day with Opus number feels more credible to me.", "context": "", "use_case": "", "switched_from": "", "story": "Claude Fable is relentlessly proactive"}, {"id": 746055505, "item_id": 46628469, "url": "https://news.ycombinator.com/item?id=46628469", "by": "energy123", "date": "2026-01-14", "stance": "recommend", "quote": "Then I paste the subset of files into GPT 5.2 Pro, and give it $TASK.", "excerpt": "I open 4 chat windows with Gemini 3.0 Pro. I paste in all file contents to each window. I ask them \"which files would an AI need to do $TASK effectively?\" Each of the 4 responses will disagree, despite some overlap. I take the union of the 4 responses as the canonical set of files that an implementer would need to see. This reduces the risk of missing key files, while increasing the risk of including marginally impor", "context": "", "use_case": "implementing the task", "switched_from": "", "story": "Ask HN: What is best way to provide continuous context to models?"}, {"id": 742177216, "item_id": 46386076, "url": "https://news.ycombinator.com/item?id=46386076", "by": "nake13", "date": "2025-12-25", "stance": "recommend", "quote": "I used ChatGPT-5.2-Pro mainly to explore and compare different compression approaches and trade-offs.", "excerpt": "I built a very similar experiment about 10 days ago and shared it here (the post is in Chinese):https://x.com/nake13/status/2000401664923324439 My focus was on finding a good text\u2192URL-slug compression strategy. I used ChatGPT-5.2-Pro mainly to explore and compare different compression approaches and trade-offs.", "context": "", "use_case": "exploring compression approaches", "switched_from": "", "story": "Show HN: Minimalist editor that lives in browser, stores everything in the URL"}, {"id": 741734720, "item_id": 46358420, "url": "https://news.ycombinator.com/item?id=46358420", "by": "wahnfrieden", "date": "2025-12-22", "stance": "recommend", "quote": "I like Pro also for better access to 5.2 Pro which is indispensable for some problems", "excerpt": "I like Pro also for better access to 5.2 Pro which is indispensable for some problems and for producing specs/code samples. I use https://gitingest.com", "context": "", "use_case": "specs and code samples", "switched_from": "", "story": "A guide to local coding models"}]}