Model launchesOpenAI: strongest model launch in a week — GPT-5.5 accelerated revenue growthOpenAI announced that GPT-5.5 represents its strongest model launch to date one week after release; API revenue is growing more than twice as fast as with previous releases, and Codex revenue doubled in less than seven days.1 min read
Model launchesAlibaba’s HappyHorse Scores Moderately After Gray TestingAlibaba’s HappyHorse video model entered gray testing on April 27 after leading Artificial Analysis’s blind video arena over Seedance.2 min read
Model launchesMoonshot AI releases Kimi K2.6 — a 1T-parameter open vision-language model for long-running autonomous codingMoonshot AI has released Kimi K2.6, a 1 trillion-parameter vision-language model that supports very long autonomous code generation loops and larger multi-agent orchestration.5 min read
Model launchesOpenAI’s GPT-5.5 Boosts Benchmark Scores but Shows High Rate of Confident ErrorsOpenAI’s GPT-5.5 advances to state‑of‑the‑art results on several objective benchmarks—especially in knowledge, agentic tasks and abstract visual reasoning—while simultaneously producing a high proportion of incorrect but confident answers.4 min read