Claude Opus model

Every row links to its source: receipts, not summaries.

1. 2026-07-04 19:52 UTC — Newer Claude Models Show Tool-Calling Regression letsdatascience.com
2. 2026-07-03 18:51 UTC — Fable's judgement simonwillison.net
3. 2026-07-03 09:32 UTC — Fragile Correctness: Cases of reasoning harming performance lesswrong.com
4. 2026-07-02 10:26 UTC — Anthropic Changed the Sonnet 5 Chart After It Made Sonnet Look Bad vincentschmalbach.com
5. 2026-07-01 21:33 UTC — Anthropic Releases Sonnet 5.0 for Agentic Workflows letsdatascience.com
6. 2026-07-01 11:12 UTC — Claude Sonnet 5 continues Anthropic's pattern of hiding price increases behind unchanged token rates the-decoder.com
7. 2026-07-01 11:12 UTC — Claude Sonnet 5 continues Anthropic's pattern of hiding price increases behind unchanged token rates machinebrief.com
8. 2026-07-01 10:00 UTC — Claude Helped a Hacker Find a Way to Issue Tickets to Almost Every US Music Festival wired.com
9. 2026-07-01 05:10 UTC — Claude Sonnet 5 Review: Benchmarks, Pricing & Is It Worth It? (2026) buildfastwithai.com
10. 2026-07-01 05:00 UTC — Anthropic Is Hitting a Wall vincentschmalbach.com
11. 2026-07-01 02:11 UTC — Anthropic's Sonnet 5 delivers near-Opus performance at 60% lower cost as export ban lifts digitimes.com
12. 2026-06-30 21:37 UTC — Anthropic Claude Sonnet 5 vs Sonnet 4.6 vs Opus 4.8: Agentic Coding Benchmarks, API Pricing, and Cost-Performance Tradeoffs Compared marktechpost.com
13. 2026-06-30 21:35 UTC — Anthropic Launches Claude Sonnet 5 With Near-Opus Performance at a Lower Price macrumors.com
14. 2026-06-30 19:51 UTC — Claude’s Sonnet 5 is built to do more on its own and cost you less digitaltrends.com
15. 2026-06-30 19:39 UTC — Anthropic finally, officially launches Claude Sonnet 5 mashable.com
16. 2026-06-30 18:46 UTC — Anthropic's new Claude Sonnet 5 closes the gap to the pricier Opus model series the-decoder.com
17. 2026-06-30 18:46 UTC — Anthropic's new Claude Sonnet 5 closes the gap to the pricier Opus model series machinebrief.com
18. 2026-06-30 18:44 UTC — Anthropic launches Claude Sonnet 5, a cheaper way to run agents thenextweb.com
19. 2026-06-30 18:00 UTC — Anthropic launches Claude Sonnet 5 as a cheaper way to run agents techcrunch.com
20. 2026-06-30 16:26 UTC — Claude Sonnet 5 leak points to a price cut and 1M context, not just a model bump runtimewire.com
21. 2026-06-30 08:43 UTC — GLM-5.2 vs Claude Opus 4.8 vs GPT-5.6 vs Kimi: Best Coding AI (2026) buildfastwithai.com
22. 2026-06-29 07:26 UTC — Grok 4.5 Review: xAI's 1.5T V9 Model Explained (Beta, June 2026) buildfastwithai.com
23. 2026-06-26 23:38 UTC — Claude Opus 4.8 Redefines AI Performance on WorkBench machinebrief.com
24. 2026-06-26 20:52 UTC — Hermes Agent adds virtual models for multi-model AI routing runtimewire.com
25. 2026-06-24 18:11 UTC — Head to head: Anthropic: Claude Opus 4.8 vs Google: Gemini 3.5 Flash runtimewire.com
26. 2026-06-24 17:07 UTC — Snowflake CEO finds GLM-5.2 competitive with Opus 4.7 at a fraction of the cost the-decoder.com