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Anthropic has launched Claude Haiku 5.5, an upgraded version of its smallest AI model, now faster and costing approximately 75% less to operate than its predecessor. The new model is optimized for high-volume, cost-sensitive tasks such as summaries, database queries, and customer support, and is part of a broader update that includes price reductions across other Claude models.
Claude Haiku 5.5 has been launched, offering a significant reduction in cost—about 75% less than its predecessor—while delivering faster performance. It is optimized for high-volume, repetitive tasks such as summaries, database queries, and classification, and pairs effectively with Opus 5.5 and Sonnet 5.5 for coding applications. The update also includes price reductions for related models and new API credits for subscribers, aiming to enhance value for users building on the Claude platform.
Anthropic has released Claude Sonnet 5.5, positioning it as a lower-cost, higher-speed option compared to its flagship Opus 5.5 model. The company says Sonnet 5.5 runs at least 30% faster than its predecessor, Sonnet 5, while keeping the same pricing and adding security improvements. Anthropic notes Sonnet 5.5 trails Opus 5.5 only slightly on performance benchmarks, including completing the game Pokémon Red.
Anthropic released Claude Sonnet 5.5, replacing Sonnet 5 as its medium-sized model, a week after debuting Opus 5.5. The company says the new model runs over 30% faster and uses fewer tokens while keeping Sonnet 5's pricing of $2 per million input tokens and $10 per million output tokens. Sonnet 5.5 is also the first Sonnet-tier model to ship with cybersecurity safeguards similar to those used in Anthropic's top-tier Opus models.
Anthropic launched Sonnet 5.5, a faster and lower-cost model that it says outperforms its predecessor at coding, task completion and document creation. The release follows last week's launch of the pricier Opus 5.5, with a cheaper Haiku 5.5 model still to come. Anthropic said Sonnet 5.5 does not push the frontier of model capability, but includes improved cybersecurity safeguards compared to earlier Sonnet versions.
Anthropic has released Sonnet 5.5, an update to its mid-tier AI model that the company says runs 30 percent faster than its predecessor and burns tokens more slowly, cutting costs. Anthropic says the model outperforms its more powerful Opus 5.5 on agentic coding benchmarks and now carries cyber capabilities strong enough to trigger the same safeguards applied to its Fable and Opus models. The company also says a refreshed version of Haiku, its smallest model, is coming in the next few weeks.
Anthropic released Claude Sonnet 5.5, the second model in its Claude 5.5 lineup after Opus 5.5. The company says it runs over 30% faster and costs up to 30% less per task than Sonnet 5, while keeping the same per-token pricing, and jumps from 10.3% to 70.6% on the Terminal-Bench 4.0 agentic coding evaluation. A third model, Claude Haiku 5.5, is planned for release in the coming weeks.
A developer tested whether repeatedly asking modern agentic LLMs to improve code could yield genuine performance gains, this time using Rust rather than Python. After months of experimentation following the release of Opus 4.5, the author found that these models can produce Rust code significantly faster than current state-of-the-art implementations, provided they are given proper constraints and guardrails.
Andon Labs has released Pion, a platform that lets AI agents operate companies with full autonomy, following two years of research that began with the simulated Vending-Bench test and progressed to real deployments running vending machines, a store, and a cafe. The company is now opening Pion to outside users through a waitlist so more people can experiment with autonomous businesses.
TradingAgents, an open-source multi-agent LLM framework for financial trading, has shipped version 0.4.0. The update fixes look-ahead bias issues across macroeconomic (FRED), social sentiment, and decision-log memory data sources, adds clearer decision signals, restores CLI checkpoint resume functionality, grounds trader price data, and adds support for GPT-5.6 and GLM-5.3 models. This follows recent v0.3.1 and v0.3.0 releases that addressed similar correctness issues and expanded provider and data-vendor support.
A group of software engineers who say they lost their jobs to AI have built OpenExecutive, an open-source system meant to perform CEO-level work. It runs on Anthropic's Claude models, coordinating eight AI agents representing roles like chief strategy officer, CFO and HR head into one unified executive persona.
Sonnet has released the Echo 21 Thunderbolt 5 SuperDock, an updated version of its Echo 20 dock that swaps Thunderbolt 4 for Thunderbolt 5 across all its ports. The $499 dock offers nine USB 3 ports, 10Gb Ethernet, 140W power delivery, an M.2 SSD slot for up to 8TB of storage, and support for up to three external displays, all through a single cable connection to a Mac.