Claude Opus 5.5
Anthropic's first model in their new Claude 5.5 family
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Claude Opus 5.5 is Anthropic’s latest model for agentic coding and knowledge work, delivering major performance gains, clearer communication, stronger safety, and 40% lower cost than Opus 5 on typical workloads.
PH · launched Sep 23, 2026 · 287 upvotes (top 1%) · 0 views
Niche: large language models · 191 launches, 5 in the last 7 days ▼ -29% · Explore this niche →
Category and tags
- Horizontal
- Model & infra
- Developer
- AI-native
- Commercial product
- Developer Tools
- Artificial Intelligence
- Development
Visit website ↗ Source listing ↗
More like this: all 191 launches in large language models →
Could you build this?
No Training a frontier foundation AI model requires hundreds of millions of dollars in compute, tens of thousands of GPUs, and deep scientific breakthroughs in model training and alignment.
What it would actually take: Building a frontier LLM requires massive supercomputing clusters running distributed training libraries like Megatron-LM over trillions of diverse tokens. It demands deep research expertise in model architectures, post-training alignment (RLHF/RLAIF), safety auditing, and massive custom hardware infrastructure management.
Competitors
Other products that read as similar to this one : 184 launches clear the similarity bar, closest 8 shown.
Attention rank: #2 of 185 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 262 days after the earliest competitor.
- Claude Design by Anthropic Labs · ph · 2026-04-18 · 550 upvotes · similarity 0.68
- Claude Academy · ph · 2026-08-23 · 175 upvotes · similarity 0.62
- NexPloreInfo · ph · 2026-10-17 · 1 upvotes · similarity 0.61
- anthropic-claude-3-7-code-vcc-guide · github · 2026-11-10 · 29 upvotes · similarity 0.59
- claude-antifeng-skill · github · 2026-11-05 · 75 upvotes · similarity 0.58
- anthropic-claude-3-7-applepay-vcc-guide · github · 2026-11-11 · 19 upvotes · similarity 0.54
- claude-opus-5-api · github · 2026-09-18 · 49 upvotes · similarity 0.54
- Claude Motion Skills · ph · 2026-10-12 · 1 upvotes · similarity 0.51
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