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AI & Enterprise

Anthropic launches Claude Opus 5.5, raising speed 30 percent and cutting costs 40 percent

Anthropic on Sept. 22 unveiled its new AI model Claude Opus 5.5. The company said it delivers performance similar to the higher-tier Claude Fable 5.1 on many tasks while cutting typical workload costs by 40 percent versus Claude Opus 5 and boosting output speed by more than 30 percent. The model is available across Claude subscriptions and via the Claude API and major cloud platforms. Anthropic also detailed pricing, developer settings, benchmarks, early use cases and safety assessments.

AI & Enterprise

Cheaper token price can raise total coding AI cost by 14 times, study finds

An experiment found that in coding tasks an AI model with a lower token price can end up costing more to fix bugs. A Fiddler research team compared Anthropic\'s Claude Haiku 4.5 and Claude Sonnet 5 on five Python bug-fix tasks. Across 45 runs per model, Sonnet cost $0.45 while Haiku cost $4. Haiku generated much longer outputs, including results for commands not executed, raising both output and subsequent input token costs.

AI & Enterprise

Upstage unveils \'Solar Open 2\' touting agent performance

Upstage unveiled its open-weight large language model \'Solar Open 2\' optimised for agent task execution and released the model weights on Hugging Face. Developed through a government sovereign AI foundation model project, it uses a mixture-of-experts design with 250 billion parameters and activates 15 billion in use. Upstage said it outperformed rival models on multiple benchmarks and plans broader deployments and AX services across industries.