Type: AI model or model family
Claude Opus 5 appears in the radar stream as a model or model family. This page is a living index of dated mentions and sources — open Recent Updates and Backlinks for context, not a full product brief.
Recent Updates
- 2026-08-12: Grok 4.6 Scores 61 on Artificial Analysis Intelligence Index with Strong Agentic Performance (Hacker News) · artificialanalysis.ai — Agents LLM Evals SpaceXAI · OpenAI · Anthropic · Artificial Analysis · Grok 4.6 · Grok 4.5 · Grok 4.3 · GPT-5.6 Sol · Claude Fable 5 · Qwen3.8-Max · Kimi K3
- 2026-08-13: Grok 4.6 Reclaims Top Performance, Undercuts Claude and GPT Pricing; Integration with Cursor Marks New Consolidation Strategy (量子位) · qbitai.com — Agents Code Agents SpaceX · xAI · Cursor · Anysphere · OpenAI · Anthropic · Tencent · ByteDance · Alibaba · OpenRouter · Vercel · Cloudflare Elon Musk Michael Truell Aman Sanger Sualeh Asif Arvid Lunnemark · Grok 4.6 · Grok 4.5 · GPT-5.6 Sol · Fable 5 Grok 4.7
- 2026-08-14: Why does Opus 5 feel worse to work with? (Hacker News) · mun-logadan.github.io — Code Agents LLM Evals Agents Anthropic · Claude Opus 4.7 · Claude Opus 4.8 · Claude Fable
- 2026-08-14: Toast 1: Mixedbread’s Search Agent for Knowledge-Intensive Tasks (Hacker News) · mixedbread.com — Agents RAG Context Engineering Mixedbread Databricks · Harvey · Anthropic · OpenAI · Claude Fable 5 · GPT-5.6 Sol
- 2026-08-17: From BERT to Frontier Agents: Eight Years of Language-Model Progress, the Collapse of the Capability-Cost Curve, and the Rise of Task-Targeted Models (cs.LG updates on arXiv.org) · arxiv.org — Agents Code Agents LLM Evals OpenAI · Anthropic Pranav Kumar Kaliaperumal · BERT · Claude Fable 5 · GPT-5.6 Luna · GPT-5.6 Sol · Qwen 2.5
- 2026-08-20: Claude Skills Achieve 100% on ARC AGI 3 Through Tool-Use Constraints (breakingnewsofficial) · arc-skill.vercel.app — Tool Use
- 2026-08-25: K-Bench: Measuring Model Performance on Real Scientific Agent Requests (breakingnewsofficial) · arxiv.org — LLM Evals Agents OpenAI · Anthropic K-Dense · GPT-5.6 Sol
- 2026-08-28: Terminal-Bench-Science: Evaluating AI agents on scientific research workflows (breakingnewsofficial) · terminal-bench-science.ai — Agents LLM Evals Stanford University
- 2026-09-01: Claude Fable 5.1 Released — Agentic AI Model with 1M Context and Reduced Cache Costs (breakingnewsofficial) · platform.claude.com — Agents Code Agents Context Engineering Long Context Anthropic · Amazon · Google · Microsoft · AWS Anton Vdovitchenko · Claude Fable 5.1 Claude Mythos 5.1 · Claude Fable 5 · Claude Opus 4.8
- 2026-09-03: OpenAI releases GPT-6 Astra claiming major advances in agentic software engineering and computer automation (breakingnewsofficial) · qbitai.com — Code Agents Agents Tool Use Context Engineering OpenAI Legora Playco Greg Brockman · GPT-6 Astra GPT-6 Astra Pro · GPT-5.6 Sol · Fable 5.1 · Gemini 3.8 Flash
- 2026-09-07: τ^τ-Bench: An Environment for End-To-End, Realistic Agent Construction (breakingnewsofficial) · arxiv.org — Code Agents LLM Evals Agents Anthropic
- 2026-09-09: τ^τ-Bench: A Benchmark for End-to-End Agent Construction (breakingnewsofficial) · alphaxiv.org — Agents Code Agents LLM Evals Anthropic
FAQ
What is Claude Opus 5?
Claude Opus 5 appears in the radar stream as a model or model family. This page is a living index of dated mentions and sources — open Recent Updates and Backlinks for context, not a full product brief.
What does this page track?
Dated radar mentions, source links, related concepts, and builder-relevant context for Claude Opus 5, collected automatically by GROUNDING.
When was Claude Opus 5 last mentioned?
Claude Opus 5 was most recently mentioned in a radar update dated 2026-09-09.
Category: Text / Language Models