Moonshot AI released Kimi K3, a 2.8 trillion-parameter open-weight model that it claims is the largest of its kind globally, with performance approaching closed-source leaders like Anthropic's Claude …
Anthropic reports elevated errors on Sonnet 5 and Haiku 4.5, with users able to subscribe to email and SMS updates for incident notifications.…
In a head-to-head test of Claude coding models, Fable 5 outperformed Opus 4.8 and Sonnet 5 by building a full-featured expense tracker app from a single specification prompt, completing all five featu…
Anthropic's Fable 5, Opus 4.8, and Sonnet 5 models were tested by building the same expense tracker app with React, Vite, TypeScript, Tailwind CSS, and Supabase. Fable 5 required the fewest prompts an…
Samsung Electronics' foundry division has reportedly agreed to manufacture custom AI chips for Anthropic, according to local media sources cited by social media account @WhaleInsider. The deal, if con…
For the first time in over a year, an Anthropic model is no longer in the daily rotation of a developer who previously relied on Claude for coding, citing reliability issues with Opus 4.8, high reason…
Seven models ran the dynaconf__dynaconf-1225 SWE-bench-Live task with both answer doors shut; three solved it and four failed, with costs ranging from $0.78 (gpt-5.4-mini) to $47.18 (opus-4.8). The co…
Anthropic's Sonnet 5 was benchmarked against leading models in a new evaluation that combined human and LLM scoring. The results showed Sonnet 5 excelled in PRD quality but lagged in agent personality…
Anthropic's mid-year Claude Code update introduces an in-app browser, the Sonnet 5 model, and workflow-streamlining features including setup diagnostics and enhanced safety. The in-app browser allows …
Anthropic's Claude Fable 5 model, priced at $10 per million input tokens and $50 per million output, will leave the Claude subscription on July 7, 2026, requiring users to pay API rates. To control co…
OpenAI's GPT-5.6 Sol outperformed GPT-5.6 Terra, Luna, Claude Fable 5, and Sonnet 5 on Claire Vo's custom benchmark across PRDs, prototypes, wireframes, debugging, and agentic voice tasks. Sol also de…
SpaceXAI released Grok 4.5, a frontier AI model priced at $2 per million input tokens and $6 per million output tokens, achieving top-tier performance at roughly 90% lower cost per task than leading c…
Anthropic, GitHub, and Google all scheduled price increases for September 1st, with Anthropic raising Sonnet 5 prices after an introductory period and redeploying Fable 5 under tighter safety classifi…
Databricks released an internal benchmark evaluating coding agents on its multi-million line codebase, finding that models like GLM 5.2 offer top-tier performance at lower cost than alternatives like …
Anthropic recommends using its expensive Claude Fable 5 model primarily as a planner that delegates tasks to the smaller Sonnet 5 model, achieving 92 percent of Fable 5's solo performance at 63 percen…
An evaluation of Anthropic's Sonnet 5 and Opus 4.8 models across 24 coding tasks shows Sonnet produces clearer and more intentional patches, while Opus yields simpler, more robust, and more minimal di…
Claude is experiencing elevated errors on Sonnet 5, with users encouraged to subscribe to updates via email or SMS for incident notifications.…
Anthropic cut Sonnet 5's price to $2 per million tokens, but Artificial Analysis measured the actual per-task cost at $2.29, exceeding Opus 4.8's cost. The discrepancy stems from the effort dial setti…
Claire tested Anthropic's Sonnet 5 against Sonnet 4.6, Opus 4.8, GPT-5.5, and Gemini 3 Pro using a custom benchmark, finding Sonnet 5 priced competitively but ranking near the bottom in her preference…
Newer Anthropic Claude models, including Opus 4.8 and Sonnet 5, are generating malformed tool calls for Pi's custom edit tool by inventing extra fields, a problem absent in older models. Armin Ronache…