A developer's guide explains how prompt caching in Anthropic's Claude API can cut input costs by up to 90% on repeated conversation prefixes, requiring only a single `cache_control` parameter. The tec…
Anthropic's Claude service has been down for over 4 hours for many users in Asia, Africa, and South America, according to the company's status page. The outage affects Claude Mythos 5, Claude Fable 5,…
Simon Willison released llm-anthropic 0.26 on August 4, 2026, adding support for Claude Fable 5, Sonnet 5, and Opus 5 model IDs to the open-source plugin that connects the LLM command-line tool and Py…
A 60-run evaluation of coding agents found no quality winner among local DeepSeek V4 Flash, hosted DeepSeek via Vercel AI Gateway, and Claude Sonnet 5, with strict acceptance at 8/20, 9/20, and 5/20 r…
In a benchmark of AI coding agents building a Flappy Bird game in Unity, Claude Opus 5 scored 10/10 and shipped a working game with a 306-line PlayMode test suite, while Claude Sonnet 5 scored 5/10 be…
Lasso Security reported on August 3 that changing only the agent harness altered outcomes across a 1,000-attack autonomous red-team test. The two harnesses averaged similar objective success rates, ab…
A developer tested the MCP integration of AWS DevOps Agent with Jinbaflow, an AI workflow tool, to generate business-friendly PDF reports from technical incident investigations. The workflow uses Clau…
DeepSeek V4 Flash has exited preview at $0.14/$0.28 per million tokens, outperforming its larger Pro model on agentic benchmarks with an 82.7% score on Terminal-Bench. Meanwhile, Anthropic's Claude So…
An open-source test suite for voice assistants, developed by Aquila, is now available, with reproducible tests and a leaderboard at https://git.cicero.sh/aquila/ha-voice-test-suite/. The creator, who …
In a personal benchmark of local and frontier LLMs for his 'Digital Nervous System', the author tested Qwen 3.6 35B-A3B, Qwen 3.6 27B, Bonsai 27B, DeepSeek V4 Flash, Laguna 2.1S, Claude Sonnet 5, and …
Anthropic's Claude Sonnet 5 introductory pricing ends August 31, with rates rising 50% on September 1 to $3 per million input tokens and $15 per million output tokens, but the new tokenizer generates …
DeepSeek V4 Flash scored 82.7 on Terminal-Bench 2.1, outperforming Anthropic's Claude Fable 5 at 80.5 while being priced at $0.14 per million input tokens and $0.28 per million output tokens, roughly …
Moonshot AI's open-weight Kimi K3 model matches Anthropic's Claude Sonnet 5 API pricing token-for-token while promising performance comparable to Claude Opus 4.8, ending the era where open-weight mode…
Anthropic released Claude Opus 5 on July 24, 2026, featuring adaptive thinking that replaces the extended-thinking toggle, with pricing at $5 per million input tokens and $25 per million output tokens…
Anthropic's Claude Sonnet 5 and Claude Opus 5, released in mid-2026, offer distinct strengths and pricing trade-offs. Sonnet 5 excels at high-volume coding and content tasks with a 72.7% SWE-bench Ver…
Thomson Reuters announced early benchmarking results for its proprietary AI model, Thomson, which performs competitively with leading frontier models such as Claude Opus 4.8 and outperforms GPT-5.5, C…
A developer argues that the July wave of frontier model releases—Claude Sonnet 5, OpenAI's GPT-5.6 family, and Grok 4.5—should not be treated as a race to pick a single winner. Instead, they advocate …
Moonshot AI, a Chinese artificial intelligence startup behind the Kimi chatbot, raised over $3.5 billion in its latest funding round, lifting its valuation to $35 billion, according to Yicai Global. T…
DeepSeek released its V4-Flash-0731 API into public beta on July 31, 2026, scoring 82.7 on Terminal Bench 2.1, up from 61.8 in the preview build and surpassing V4-Pro-Preview's 72.1, while maintaining…
Anthropic reported degraded performance on Claude Sonnet 5, with users able to subscribe to email and SMS updates for incident notifications. The company is managing the incident and will notify subsc…