Hopper – Fast, open-source inference for real-time agents
Hopper trains open-weight models on your production traces, then serves and improves them against your live traffic.
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YC · launched Oct 26, 2026 · 53 upvotes (top 17%) · 0 views
Niche: machine learning inference engines · 108 launches, 8 in the last 7 days ▼ -27% · Explore this niche →
Category and tags
- Horizontal
- Model & infra
- Developer
- AI-native
- Commercial product
- Infrastructure
- AI
Visit website ↗ Source listing ↗
More like this: all 108 launches in machine learning inference engines →
Could you build this?
No The product fine-tunes open-weight models on production traces and serves them with custom low-latency inference kernels, which requires GPU systems expertise and large-scale infrastructure.
What it would actually take: A real version needs a GPU serving stack with custom CUDA or kernel work for low time-to-first-token, a training pipeline for distilling or fine-tuning models on customer traces, and multi-tenant data isolation. It requires ML systems engineers, significant GPU capacity, and experience running production voice inference.
Competitors
Other products that read as similar to this one : 2748 launches clear the similarity bar, closest 8 shown.
Attention rank: #444 of 2749 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 362 days after the earliest competitor.
- sabi · github · 2026-09-18 · 15 upvotes · similarity 0.63
- PipeSwift · github · 2026-10-12 · 16 upvotes · similarity 0.61
- Zro · ph · 2026-07-16 · 426 upvotes · similarity 0.61
- reflex · github · 2026-09-23 · 34 upvotes · similarity 0.59
- RouterPlus: Better inference pricing, latency and capacity for AI teams · yc · 2026-10-29 · 63 upvotes · similarity 0.59
- rec · github · 2026-10-21 · 204 upvotes · similarity 0.57
- aa-agentperf-local · github · 2026-09-26 · 48 upvotes · similarity 0.57
- hop3 · github · 2026-09-11 · 9 upvotes · similarity 0.56
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