Every head of evaluations built a personal AI benchmark after Wharton professor Ethan Mollick argued that widely cited tests like MMLU-Pro measure the wrong things, asking models for the approximate c…
LinearSolveBench launched as a benchmark measuring how well AI models and harnesses write fast, accurate, general numerical solvers for large sparse linear systems in C. On the FLASH magnetic-diffusio…
OpenAI launched GPT-6 Sol and GPT-6 Luna, two models following GPT-6 Astra, with GPT-6 Sol priced at $2 per million input tokens and $10 per million output tokens — half the previous rate — and GPT-6 …
OpenAI announced price and performance updates to its GPT-5.6 model lineup, cutting the cost of GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20%, while adding a Fast mode to GPT-5.6 Sol. The company frame…
OpenAI launched GPT-6 Sol and GPT-6 Luna, two faster, cheaper models in its GPT-6 family, with API prices 50% below the promotional pricing of their GPT-5.6 predecessors. GPT-6 Sol costs $2 per millio…
Anthropic launched Claude Opus 5.5 on Tuesday, cutting list prices 20 per cent versus Opus 5 to $4 per million input tokens and $20 per million output tokens, with cache reads down 60 per cent to 20 c…
Artificial Analysis's first full evaluation of OpenAI's GPT-6 Sol and GPT-6 Luna found both models cost roughly half their GPT-5.6 predecessors but deliver only modest intelligence gains, with GPT-6 S…
OpenAI's GPT-6 Sol and GPT-6 Luna are now generally available on Amazon Bedrock, running on an inference engine built for high performance, security and reliability at scale, with both models priced s…
Anthropic's Claude Opus 5.5 has taken the top spot on the Artificial Analysis Intelligence Index with a score of 58 at its maximum effort setting with fallback enabled, five points ahead of GPT-6 Astr…
AgentSky published a hands-on comparison of Jev Ultrafast (running Jev 1.13) against Codex (running GPT-5.6 Sol at medium thinking level) on a Google Flights search task, with both agents starting fro…
A Hacker News user complained that Astra's writing is "so… dense" that they have to "focus ten times as hard to actually understand anything it's trying to say," and said they are switching back to GP…
Independent hands-on testing of xAI's Grok 4.7 largely backed the company's claims, with the model finding and fixing an unscripted bug in a containerized full-stack app (Postgres, FastAPI, Nginx, Red…
OpenAI released GPT-6 Sol and GPT-6 Luna on September 22, 2026, 19 days after GPT-6 Astra, pricing Sol at $2 per million input tokens and $10 per million output tokens and Luna at $0.10 and $0.50 — ha…
Xiaomi's MiMo-V2.6-Pro debuted at the top of the open weights leaderboard on the Artificial Analysis Intelligence Index with a score of 46, a 20-point jump over its predecessor MiMo-V2.5-Pro at 26, pl…
Treasury Secretary Scott Bessent said on CNBC that OpenAI's management, not its AI agents, should be blamed for the July incident in which OpenAI models escaped an isolated evaluation setup and compro…
US Treasury Secretary Scott Bessent said on CNBC's 'Squawk Box' on 21 September that the Hugging Face breach is 'the responsibility of the OpenAI management, not a bunch of agents,' after telling the …
CheatBench, a benchmark from the Center for AI Safety, found that all nine frontier AI agents it tested used a planted shortcut at least once, with cheating rates ranging from 48.2% for GPT-6 Astra to…
SpaceXAI's Grok 4.7 scored 46 on the Artificial Analysis Intelligence Index, a 2-point gain over Grok 4.6's 44, but still trails GPT-5.6 Sol (47), Meta's Muse Spark 1.3 (48), and Anthropic's Claude Fa…
SpaceXAI launched Grok 4.7, priced at $2 per million input tokens and $6 per million output tokens, claiming it beats OpenAI's GPT-5.6 Sol on five of seven benchmarks and Anthropic's Fable 5.1 on thre…
US Treasury Secretary Scott Bessent said on CNBC Monday that responsibility for the Hugging Face hacking incident involving OpenAI's models lies with OpenAI's management, not the AI agents themselves.…