Apps
Every model builds the same apps.
Email client
Three-pane mail: mailboxes, message list, reading pane, and compose.
Opus 5.5Reasoning level: medium
Anthropic
Grok 4.7Reasoning level: high
xAI
Gemini 3.8 FlashReasoning level: high
Fable 5.1Reasoning level: high
Anthropic
GPT-5.6 SolReasoning level: medium
OpenAI
Kimi K3Reasoning level: max
Moonshot AI
GPT-5.6 TerraReasoning level: medium
OpenAI
GPT-5.6 LunaReasoning level: medium
OpenAI
Sonnet 5Reasoning level: high
Anthropic
GLM 5.2Reasoning level: high
Zhipu
Kimi K2.7 CodeReasoning level: not specified
Moonshot AI
Composer 2.5Reasoning level: not specified
Cursor
Codex 5.3Reasoning level: medium
OpenAI
Gemini 3.1 ProReasoning level: not specified
Haiku 4.5Reasoning level: on
Anthropic