{"slug": "mimo-v2-5-pro-ultraspeed", "name": "MiMo-V2.5-Pro-UltraSpeed", "category": "ai", "category_name": "AI models and assistants", "description": "", "recommenders": 4, "commenters": 5, "warners": 0, "score": 4.014, "rising": 1.35, "first": "2026-06-09", "latest": "2026-08-13", "why": "I've been dropping into MiMo-V2.5-Pro-UltraSpeed whenever Flash seems to be \"stuck\" and it usually figures it out.", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 4, "neutral": 1, "compare": 0, "warn": 0}, "spark": [0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "I've been dropping into MiMo-V2.5-Pro-UltraSpeed whenever Flash seems to be \"stuck\" and it usually figures it out.", "kind": "", "icon": false, "domain": "mi.com", "github_repo": null, "official_url": "", "pricing": "", "aliases": ["MiMo-V2.5-Pro-UltraSpeed", "MiMo-v2.5-Pro-UltraSpeed", "Mimo-V2.5-Pro UltraSpeed", "Mimo v2.5-Pro Ultraspeed"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 788649424, "item_id": 49290589, "url": "https://news.ycombinator.com/item?id=49290589", "by": "ricardobeat", "date": "2026-08-13", "stance": "recommend", "quote": "smart enough for a lot of coding tasks, and can cost under 1/10th of Sol", "excerpt": "The omission of Mimo v2.5-Pro Ultraspeed, released in June, which can achieve 1000tok/s is an interesting flaw in the comparison graphs. It is a bit outdated (scores \u00b1 40% lower), but smart enough for a lot of coding tasks, and can cost under 1/10th of Sol. https://mimo.mi.com/models/en-US/mimo-v2.5-pro-ultraspeed", "context": "", "use_case": "Fast coding model", "switched_from": "", "story": "Accelerating GPT-5.6 Sol Ultrafast"}, {"id": 788414048, "item_id": 49275878, "url": "https://news.ycombinator.com/item?id=49275878", "by": "trollbridge", "date": "2026-08-12", "stance": "recommend", "quote": "I've been dropping into MiMo-V2.5-Pro-UltraSpeed whenever Flash seems to be \"stuck\" and it usually figures it out.", "excerpt": "Interesting - I've been dropping into MiMo-V2.5-Pro-UltraSpeed whenever Flash seems to be \"stuck\" and it usually figures it out. I use UltraSpeed just because I'm so frustrated by then that I'm impatient. I still find 5.6-Sol can solve some things neither of those can, but it's so slow (and it's so hard to trace / debug the reasoning) that I just let it run overnight.", "context": "", "use_case": "unsticking coding tasks", "switched_from": "", "story": "DeepSeek V4 Pro 0813"}, {"id": 779109200, "item_id": 48694325, "url": "https://news.ycombinator.com/item?id=48694325", "by": "linzhangrun", "date": "2026-06-26", "stance": "recommend", "quote": "coding with Mimo-V2.5-Pro UltraSpeed, which is advertised at 1,000 tokens/s, which is very impressive.", "excerpt": "I saw videos of coding with Mimo-V2.5-Pro UltraSpeed, which is advertised at 1,000 tokens/s, which is very impressive.: https://www.bilibili.com/video/BV1fME16uEW7 If the time-to-first-token latency also greatly improved, this could be very useful for end-to-end in controls, like autonomous driving for example.", "context": "", "use_case": "", "switched_from": "", "story": "Previewing GPT\u20115.6 Sol: a next-generation model"}, {"id": 776236928, "item_id": 48514808, "url": "https://news.ycombinator.com/item?id=48514808", "by": "johndough", "date": "2026-06-13", "stance": "recommend", "quote": "The recent MiMo-V2.5-Pro-UltraSpeed can be served from 8 GPUs", "excerpt": "The recent MiMo-V2.5-Pro-UltraSpeed can be served from 8 GPUs, which is certainly within the reach of sophisticated on-prem setups. https://mimo.xiaomi.com/blog/mimo-tilert-1000tps", "context": "", "use_case": "", "switched_from": "", "story": "US Government directive to suspend access to Fable 5 and Mythos 5"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["fast coding model", "unsticking coding tasks"], "compared": [{"slug": "gpt-sol", "name": "GPT Sol", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49289844", "title": "Accelerating GPT-5.6 Sol Ultrafast", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49274600", "title": "DeepSeek V4 Pro 0813", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48689028", "title": "Previewing GPT\u20115.6 Sol: a next-generation model", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48511072", "title": "US Government directive to suspend access to Fable 5 and Mythos 5", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48446639", "title": "MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {"neutral": 1, "recommend": 2}, "2026-07": {}, "2026-08": {"recommend": 2}, "2026-09": {}, "2026-10": {}}, "quotes": [{"id": 788649424, "item_id": 49290589, "url": "https://news.ycombinator.com/item?id=49290589", "by": "ricardobeat", "date": "2026-08-13", "stance": "recommend", "quote": "smart enough for a lot of coding tasks, and can cost under 1/10th of Sol", "excerpt": "The omission of Mimo v2.5-Pro Ultraspeed, released in June, which can achieve 1000tok/s is an interesting flaw in the comparison graphs. It is a bit outdated (scores \u00b1 40% lower), but smart enough for a lot of coding tasks, and can cost under 1/10th of Sol. https://mimo.mi.com/models/en-US/mimo-v2.5-pro-ultraspeed", "context": "", "use_case": "Fast coding model", "switched_from": "", "story": "Accelerating GPT-5.6 Sol Ultrafast"}, {"id": 788414048, "item_id": 49275878, "url": "https://news.ycombinator.com/item?id=49275878", "by": "trollbridge", "date": "2026-08-12", "stance": "recommend", "quote": "I've been dropping into MiMo-V2.5-Pro-UltraSpeed whenever Flash seems to be \"stuck\" and it usually figures it out.", "excerpt": "Interesting - I've been dropping into MiMo-V2.5-Pro-UltraSpeed whenever Flash seems to be \"stuck\" and it usually figures it out. I use UltraSpeed just because I'm so frustrated by then that I'm impatient. I still find 5.6-Sol can solve some things neither of those can, but it's so slow (and it's so hard to trace / debug the reasoning) that I just let it run overnight.", "context": "", "use_case": "unsticking coding tasks", "switched_from": "", "story": "DeepSeek V4 Pro 0813"}, {"id": 779109200, "item_id": 48694325, "url": "https://news.ycombinator.com/item?id=48694325", "by": "linzhangrun", "date": "2026-06-26", "stance": "recommend", "quote": "coding with Mimo-V2.5-Pro UltraSpeed, which is advertised at 1,000 tokens/s, which is very impressive.", "excerpt": "I saw videos of coding with Mimo-V2.5-Pro UltraSpeed, which is advertised at 1,000 tokens/s, which is very impressive.: https://www.bilibili.com/video/BV1fME16uEW7 If the time-to-first-token latency also greatly improved, this could be very useful for end-to-end in controls, like autonomous driving for example.", "context": "", "use_case": "", "switched_from": "", "story": "Previewing GPT\u20115.6 Sol: a next-generation model"}, {"id": 776236928, "item_id": 48514808, "url": "https://news.ycombinator.com/item?id=48514808", "by": "johndough", "date": "2026-06-13", "stance": "recommend", "quote": "The recent MiMo-V2.5-Pro-UltraSpeed can be served from 8 GPUs", "excerpt": "The recent MiMo-V2.5-Pro-UltraSpeed can be served from 8 GPUs, which is certainly within the reach of sophisticated on-prem setups. https://mimo.xiaomi.com/blog/mimo-tilert-1000tps", "context": "", "use_case": "", "switched_from": "", "story": "US Government directive to suspend access to Fable 5 and Mythos 5"}, {"id": 775380800, "item_id": 48461300, "url": "https://news.ycombinator.com/item?id=48461300", "by": "alfiopuglisi", "date": "2026-06-09", "stance": "neutral", "quote": "", "excerpt": "These guys: https://taalas.com/products/", "context": "", "use_case": "", "switched_from": "", "story": "MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second"}]}