Claude Opus 4.8

Type: AI model

Claude Opus 4.8 is Anthropic’s most advanced publicly available Claude model as of its May 2026 release, with notable gains in coding, reasoning, and honesty over Opus 4.7. It launched alongside a ‘dynamic workflow’ feature for running multiple subagents and an effort control for response depth. GROUNDING tracks Claude Opus 4.8 releases, benchmarks, agentic workflows, and safety behavior.

Recent Updates

• 2026-07-06: Price per 1M tokens is meaningless (Hacker News) · janilowski.pl — LLM Evals OpenAI · Anthropic · Artificial Analysis · GPT-4o · GPT-4 · GPT 5.5 · Sonnet 5 · GLM-5.2 · DeepSeek V4 Pro · Fable 5
• 2026-07-07: Typhoonminigen 2.0 adds step control, prompt-based photo edits, and broader LoRA support (Все статьи подряд / Искусственный интеллект / Хабр) · habr.com — Claude · Hugging Face · GitHub · Fable 5 FLUX.2 Klein
• 2026-07-07: How scam-style prompts tested seven top LLMs (Все статьи подряд / Искусственный интеллект / Хабр) · habr.com — LLM Evals CyberOK Research Sergey Gordeychik Claude Sonnet 4.6 · GPT 5.5 Qwen 3.7 · DeepSeek V4 · Mistral Llama-8B
• 2026-07-08: Information Limits and Attractor Dynamics in Economies of Frontier LLM Agents: A Pre-Registered Test (cs.AI updates on arXiv.org) · arxiv.org — Agents LLM Evals arXiv · alphaXiv · Connected Papers · Litmaps · scite · DagsHub · Hugging Face · CatalyzeX · Gotit.pub · ScienceCast · CORE
• 2026-07-09: A one-shot build-off compares Grok 4.5, GPT-5.5, and Claude on interactive app generation (Hacker News) · tryai.dev — LLM Evals xAI · Grok 4.5 · GPT 5.5 · Claude Fable 5
• 2026-07-09: Executive Order Frames Secure AI Use in Federal Systems (Hacker News) · rise8.us — White House · Anthropic · OpenAI · Google · Amazon Bedrock · Amazon · Gemini ChatGPT GPT-5.3-Codex · Claude Sonnet
• 2026-07-10: Self-validating LLM safety analysis with Constitutional Meta-STPA (cs.LG updates on arXiv.org) · arxiv.org — LLM Evals Anthropic · Claude Sonnet 4
• 2026-07-10: OpenAI launches GPT-5.6 and ChatGPT Work, with multi-agent execution and programmatic tool calling (量子位) · qbitai.com — Agents Tool Use Code Agents OpenAI · Anthropic · Google · Microsoft · Slack · Notion · SharePoint Microsoft Teams · Gmail · Oracle · QbitAI Autonomous Sam Altman Matt Shumer nasqret 听雨 · GPT-5.6 · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna · GPT 5.5 · Fable 5
• 2026-07-10: A build-off compares GPT-5.6, Grok 4.5, Claude, Muse Spark, and open-weight models on four app tasks (Hacker News) · tryai.dev — Code Agents LLM Evals OpenAI · Anthropic · Meta · Fireworks · GPT-5.6 · Grok 4.5 · Claude Fable 5 · Muse Spark 1.1 · GPT 5.5 Qwen 3.7-Plus · DeepSeek V4 Pro · kimi-k2.6 · GLM-5.2
• 2026-07-11: Who Analyses the Analyser? Self-Validating LLM Hazard Analysis with Constitutional Meta-STPA (cs.AI updates on arXiv.org) · arxiv.org — LLM Evals Claude Sonnet 4
• 2026-07-11: An unofficial WinUI 3 desktop client for Yandex Books (Все статьи подряд / Искусственный интеллект / Хабр) · habr.com — Yandex Bookmate · Codex · Claude · GitHub · Windows
• 2026-07-12: Migrating a production AI agent to GPT-5.6: performance gains and integration fixes (Hacker News) · ploy.ai — Agents Tool Use Context Engineering LLM Evals Code Agents Ploy OpenAI · Anthropic · Vercel Lorenzo Gentile · GPT-5.6 · GPT-5.6 Sol · Opus 4.7 · Claude Sonnet 5
• 2026-07-13: Token pricing is not comparable without tokenizer counts (Hacker News) · playcode.io — Anthropic · OpenAI · Google · xAI · Claude Opus 4.6 · GPT-5.1 · GPT 5.5 · GPT-5.6 Sol · Grok
• 2026-07-14: OpenRouter Fusion benchmark analysis against Claude Fable (Все статьи подряд / Искусственный интеллект / Хабр) · habr.com — Agents Tool Use LLM Evals OpenRouter · Anthropic · OpenAI · Google mysummit.school · Claude Opus 4.6 · Gemini-3.1-Pro · GPT 5.5 GPT-latest · Claude Fable 5
• 2026-07-14: Agentic search sharply reduces unsupported links in construction-code QA (Все статьи подряд / Искусственный интеллект / Хабр) · habr.com — Agents Tool Use RAG LLM Evals RAG Evaluation Context Engineering DeepSeek · DeepSeek V4 Pro · GPT 5.5 · Claude Sonnet 5 · Gemini-3.1-Pro
• 2026-07-14: Agnes AI says Agnes-2.5-Flash is a free coding model in the top tier (量子位) · qbitai.com — Code Agents Agents Tool Use LLM Evals Agnes AI GitHub · Anthropic Agnes-2.5-Flash Agnes-2.0-Flash Agnes-2.5-Pro · Claude Opus 4.7
• 2026-07-15: Agentic LLM pipelines evaluated on breast cancer treatment recommendations (cs.CL updates on arXiv.org) · arxiv.org — Agents Tool Use LLM Evals Anthropic Vinicius Anjos De Almeida
• 2026-07-15: Comparing Claude Sonnet generations against Russian mid-tier LLMs: benchmark across coding, long context, and reliability (Все статьи подряд / Искусственный интеллект / Хабр) · habr.com — LLM Evals Anthropic · Sber · Yandex · BotHub · OpenAI · Google · Claude Sonnet 5 · Claude Sonnet 4.6 · Claude Sonnet 4.5 GigaChat 2 MAX YandexGPT Pro 5.1 · Claude Fable 5 · GPT 5.5 · GPT-5.5 Pro · Gemini-3.1-Pro · Claude Opus 4.7 Alice AI
• 2026-07-15: Anthropic Research: Four New Agentic Misalignment Failure Modes in Frontier Models (Anthropic) · alignment.anthropic.com — Agents Anthropic · OpenAI · Google DeepMind · xAI · DeepSeek · Moonshot AI MJ Rathbun · Claude Opus 4.7 · Claude Opus 4.6 · Claude Opus 4.5 · Claude Sonnet 4.6 · Claude Mythos Preview · GPT 5.5 · GPT-5.4 · Gemini-3.1-Pro · Gemini 3 Flash · Gemini 3.5 Flash · Grok 4.3 · DeepSeek V4 · kimi-k2.6
• 2026-07-16: Inference Economics of Enterprise Coding Agents: Cloud vs On-Premise LLMs (cs.AI updates on arXiv.org) · arxiv.org — Code Agents LLM Evals Anthropic · NVIDIA · Claude Opus 4.7 · GLM-5.1 · GLM-5.2
• 2026-07-17: Kimi K3 posts benchmark gains and Moonshot AI signals open-weight release (Kimi.ai) · x.com — LLM Evals Agents Tool Use Kimi.ai · Artificial Analysis · Moonshot AI · Zapier · Kimi K3 · Opus 4.8 · GPT 5.5 · Fable 5 · GPT-5.6 Sol · K2.6 · GLM-5.2 · Claude Fable 5
• 2026-07-19: A postmortem on using multiple AI subscriptions to reduce research token burn (Hacker News) · quesma.com — Agents Context Engineering Tool Use MCP Quesma Claude · Codex · Antigravity claude-mem Terminal-Bench · SWE-Bench Pro · Artificial Analysis Claude Max 5x · Claude Fable 5 · Claude Sonnet 5 · GPT 5.5 · Gemini-3.1-Pro
• 2026-07-20: Kimi K3 reaches #4 on Agent Arena, with open-weight leadership claimed if weights ship on schedule (Kimi.ai) · x.com — Agents Tool Use LLM Evals Kimi.ai · Arena · Kimi K3 · GPT-5.6 Sol · Kimi-K2.7-Code
• 2026-07-22: Kimi K3 ranks second on AA-Briefcase but is costly and slow per task (Hacker News) · artificialanalysis.ai — Agents LLM Evals Moonshot AI · Artificial Analysis · Kimi K3 · kimi-k2.6 · Claude Fable 5 · GPT-5.6 Sol · Claude Sonnet 5 · GPT 5.5 · Grok 4.5 · Gemini 3.6 Flash · Gemini 3.5 Flash-Lite
• 2026-07-22: Baidu’s Wenxin Assistant Task Agent tops PinchBench v2 (量子位) · qbitai.com — Agents Tool Use LLM Evals Baidu · Anthropic · Alibaba · OpenAI Kilo AI · OpenClaw · GitLab Claude Opus 4.8-fast · Qwen3.7-Max · GPT-5.6 Luna

FAQ

What is Claude Opus 4.8?

Claude Opus 4.8 is Anthropic’s most advanced publicly available Claude model as of its May 2026 release, with notable gains in coding, reasoning, and honesty over Opus 4.7. It launched alongside a ‘dynamic workflow’ feature for running multiple subagents and an effort control for response depth. GROUNDING tracks Claude Opus 4.8 releases, benchmarks, agentic workflows, and safety behavior.

What does this page track?

Dated radar mentions, source links, related concepts, and builder-relevant context for Claude Opus 4.8, collected automatically by GROUNDING.

When was Claude Opus 4.8 last mentioned?

Claude Opus 4.8 was most recently mentioned in a radar update dated 2026-07-22.

Category: Text / Language Models