Claude Opus 5, Anthropic's new model, leads on agentic knowledge work and undercuts Fable 5 on cost, according to Artificial Analysis. The model scores 61 on the Artificial Analysis Intelligence Index…
Toolgz, a new open-source library, cuts LLM tool-definition tokens by approximately 80% without hurting accuracy, reclaiming up to 40k tokens of context per request. In a 420-run cross-provider sweep …
Anthropic released Claude Opus 5, which ranks first on the Artificial Analysis Intelligence Leaderboard and achieves near-Fable 5 capabilities at lower cost by removing over 80 percent of system promp…
Amazon is routing most Alexa+ queries away from Anthropic's expensive frontier models to cheaper alternatives, and Stanford's 2026 AI Index confirms a broader industry shift toward intelligence per do…
Anthropic launched Claude Opus 5 on Friday, a model that matches or exceeds its Claude Fable 5 across most benchmarks while costing half as much to operate, priced at $5 per million input tokens and $…
Anthropic released Claude Opus 5, a proactive frontier model it positions near Fable 5 intelligence at roughly half the price, setting new state-of-the-art results on coding and knowledge-work evals l…
Turnitin flags AI-generated text that ZeroGPT rates as 0% AI because the two detectors use fundamentally different training data and calibration: Turnitin is trained on millions of actual student subm…
Anthropic's newest AI model, Claude Opus 5, is now available to the public, matching or exceeding its predecessor Fable 5's performance in most areas while costing roughly half as much per token, acco…
Anthropic announced Claude Opus 5, a new model positioned just below its flagship Fable 5 while costing about half as much to use. Pricing remains unchanged at $5 per million input tokens and $25 per …
Anthropic's Claude Opus 5 achieves a new high of 61 on ArtificialAnalysis benchmarks, matching or exceeding Claude Fable 5 on many tasks while being faster and half the price, though it deliberately a…
Microsoft integrated Anthropic's Claude Opus 5 into Microsoft 365 Copilot on July 25, making it available in Word, Excel, PowerPoint, Copilot Chat, Cowork, and Studio alongside OpenAI's GPT-5.6. The i…
A developer compared Kimi K3, Claude Opus 5, and Qwen3.8-Max-Preview for Unreal Engine 5 game development, finding that Claude Opus 5 has the strongest public evidence for reliable agentic engineering…
Anthropic released Claude Opus 5 yesterday, which scored 95/100 (Tier A) in the author's benchmark, the highest score seen so far. However, the author cautions that this does not prove it is the best …
Prompt injection attacks exploit the overlap between control and data planes in LLMs, allowing users to override system instructions with commands like 'Ignore all previous instructions,' a vulnerabil…
Anthropic's Claude Opus 5 is proving significantly more resilient to prompt injection than its predecessors, according to internal red teaming and prompt injection evaluations buried in the model's sy…
Anthropic released Claude Opus 5 on July 24, a model designed for long-horizon agentic work with a 1 million-token context window and thinking enabled by default. The model is priced at $5 per million…
A preregistered study of ~1,750 API calls found that Claude Opus 4.8 confidently defended false memories about fiction, such as a Seinfeld episode, even when users were correct, with a 63% rate of wro…
Anthropic's new flagship model Claude Opus 5 achieves top scores in coding and knowledge work at half the token price of Fable 5, scoring 30.2 percent on the ARC-AGI-3 benchmark, nearly four times hig…
Anthropic's Claude Opus 5 leads the Artificial Analysis Intelligence Index with 61 points, edging out Claude Fable 5 and GPT-5.6 Sol, while costing up to half as much as Fable 5 at lower reasoning tie…
Anthropic released Claude Opus 5, offering performance comparable to its top-tier Fable 5 model at half the price, with relaxed cyber safety measures and automatic fallback on refusal. The move target…