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News


gigazine.net > gsc_news > en > 20260914-cognition-fusion

Fusion, a harness that maximizes the performance of GPT-6 Astra and Claude Fable, has been released, offering performance equivalent to using Claude Code or Codex while reducing costs by up to 39%.

14+ hour, 53+ min ago   (174+ words) Cognition, the developer of the AI agent 'Devin,' has developed 'Fusion,' a harness that enhances the performance of OpenAI's 'GPT-6 Astra' and Anthropic's 'Claude Fable.' Introducing Fusion in Devin Desktop & CLI | Cognition Fusion maintains high performance through the idea of…...


gigazine.net > gsc_news > en > 20260914-fugu-ultra-v2

Sakana AI has released 'Fugu Ultra v2,' which surpasses the GPT-6 Astra by utilizing multiple models, and has also introduced the cost-effective 'Fugu Max."

15+ hour, 3+ min ago   (253+ words) Sakana AI, an AI company based in Tokyo, has announced ' Fugu Ultra v2 ' and ' Fugu Max, ' systems that assign tasks to multiple AI models. Fugu Ultra v2 has outperformed GPT-6 Astra and Claude Fable 5.1 in several benchmark tests. Sakana Fugu — A Model…...


gigazine.net > gsc_news > en > 20260907-openai-agents-german-wiki-incident

Approximately 3,700 OpenAI agents were left idle on a sparsely populated wiki site, which was then used as a 'secret information sharing bulletin board,' sharing answers and sandbox bypass methods through around 18,000 posts.

1+ week, 13+ hour ago   (1281+ words) OpenAI has acknowledged that its AI agent accessed an external environment and shared information with other agents using a German-language wiki site. On September 4, 2026, Sidney von Ark and his colleagues, who investigated the incident, published a website summarizing their findings,…...


gigazine.net > gsc_news > en > 20260907-ai-use-inside-openai

According to OpenAI researchers, the median cost of AI usage is 'over 90,000 yen per day,' with the top 10% spending 'over 1 million yen per day."

1+ week, 16+ hour ago   (356+ words) A report summarizing the actual state of AI use by researchers affiliated with OpenAI was published on September 6, 2026. The report includes trends in the amount and application of AI used by researchers, providing insights into the current state of AI…...


gigazine.net > gsc_news > en > 20260831-hy4-preview-tencent

Tencent has released its AI model 'Hy4 preview,' which surpasses GPT-5.6 Sol in some tests, and has also released a 1-bit quantized version that is lighter at 213GB.

2+ week, 17+ hour ago   (198+ words) Tencent, a major Chinese technology company, released its AI model ' Hy4 preview ' on August 28, 2026. It boasts performance comparable to cutting-edge models such as GPT-5.6 Sol and is available free of charge as an open model. Introducing Hy4 preview | Tencent Hy It also…...


gigazine.net > gsc_news > en > 20260819-openai-pacing-model

OpenAI has highlighted its security measures by stating that it 'halted AI reinforcement learning for two weeks for safety reasons."

3+ week, 5+ day ago   (157+ words) OpenAI has highlighted its security measures by stating that it 'halted AI reinforcement learning for two weeks for safety reasons.' GIGAZINE As models become more capable, the risks associated with developing and testing them internally also grow. We temporarily paused…...