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Type: AI model or model family

Sonnet 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

  • 2026-07-01: Telegram post argues practical coding benchmarks matter more than academic ones (AI Projects) · t.meLLM Evals GLM-5.2 · Opus
  • 2026-07-01: OpenWiki is a CLI for maintaining codebase documentation for agents (Hacker News) · github.comAgents Code Agents Context Engineering OpenRouter · Fireworks · Baseten · OpenAI · Anthropic · LangSmith · GLM-5.2 · kimi-k2.6
  • 2026-07-02: Latent Space roundup: Fable 5 returns, GLM-5.2 tooling expands, and coding stacks keep shifting (Latent.Space) · latent.spaceAgents Code Agents LLM Evals Open Source LLMs Tool Use Latent Space · AINews · Anthropic · Claude.ai · Cursor · Cognition Devin · Perplexity · z.ai Zai_org · LangChain vllm_project · DeepSeek Mercor ClaudeDevs Richard MacManus Zach Lloyd theo omarsar0 MParakhin kimmonismus ArtificialAnlys hwchase17 scaling01 mgoin_ jon_durbin · Fable 5 · Opus 4.8 · GLM-5.2 · Kimi K2.7 · Qwen3-32B
  • 2026-07-04: Newer Claude models are emitting malformed edit tool calls in Pi (Hacker News) · lucumr.pocoo.orgTool Use Pi · Anthropic · Fable · Opus 4.8 · Haiku
  • 2026-07-04: Better Models, Worse Tool Calls (Simon Willison’s Weblog) · simonwillison.netTool Use Code Agents Anthropic · OpenAI · Pi Armin Simon Willison · Opus 4.8 · Haiku
  • 2026-07-05: Anthropic rolls out Sonnet 5 and restores Fable 5 with tighter safeguards (Все статьи подряд / Искусственный интеллект / Хабр) · habr.comLLM Evals Anthropic · HackerOne · Fable 5 · Opus 4.8 · GPT 5.5 · Mythos 5 · Haiku · Sonnet · Opus
  • 2026-07-06: Fable 5 performance appears lower after new safety classifiers (Anton Vdovitchenko — One Man Enterprise) · t.meLLM Evals Anthropic · OpenAI Anton Vdovitchenko Sam · Fable 5 · GPT-5.6 · Opus 4.8 · GLM
  • 2026-07-06: Price per 1M tokens is meaningless (Hacker News) · janilowski.plLLM Evals OpenAI · Anthropic · Artificial Analysis · GPT-4o · GPT-4 · GPT 5.5 · Claude Opus 4.8 · GLM-5.2 · DeepSeek V4 Pro · Fable 5
  • 2026-07-08: RuBench benchmarks repository-level coding agents on Russian task specs (cs.CL updates on arXiv.org) · arxiv.orgCode Agents LLM Evals Opus 4.8 · Haiku 4.5 · GPT 5.5 · Fable 5
  • 2026-07-09: Databricks benchmarks coding agents on real tasks in its multi-million-line codebase (Hacker News) · databricks.comLLM Evals Code Agents Databricks · Claude Code · Codex · Pi Vinay Gaba Ankit Mathur Rishabh Singh Patrick Wendell Matei Zaharia · Opus 4.8 · GLM-5.2 · GPT-5.4-mini
  • 2026-07-18: Harness architecture matters more than model choice in code agents, the author argues (Все статьи подряд / Искусственный интеллект / Хабр) · habr.comCode Agents Context Engineering LLM Evals Tool Use Agents OpenAI · Anthropic SEAL IBM Research HAL SWE-agent · Habr · Claude Opus 4.5 · Sonnet 4.5 · Opus 4.8
  • 2026-07-27: Claude models benchmarked on incremental coding: Opus 5 reaches 24% on SlopCodeBench (Hacker News) · github.comLLM Evals Code Agents OpenAI University of Wisconsin Madison GOrlanski · Opus 5 · Opus 4.8 · Opus 4.6 · GPT-5.4 · Fable 5.6 Sol

Incident radar

GROUNDING’s Hallucination Incident Index has flagged 1 incident naming Sonnet 5 — a heuristic proxy over the AI-news radar’s daily journal (hallucination/jailbreak/refusal/bias keyword matches), not a verified incident registry.

  • Severity: S2 1
  • Category: Hallucination 1

Most recent:

  • Agentic search sharply reduces unsupported links in construction-code QA source (2026-07-14)

Full breakdown: Hallucination Incident Index · Subscribe: incident-index RSS feed

FAQ

What is Sonnet 5?

Sonnet 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 Sonnet 5, collected automatically by GROUNDING.

When was Sonnet 5 last mentioned?

Sonnet 5 was most recently mentioned in a radar update dated 2026-07-27.