OpenAI holds the strongest trader consensus for second-best Code Arena WebDev AI Lab by end of December at 61% implied probability, reflecting its sustained edge in coding benchmarks through iterative large language model releases that enhance reasoning and web-specific capabilities. Anthropic follows at 22.5%, supported by Claude's demonstrated strengths in structured code generation and safety-focused development. Lower odds for Meta, Google, and others stem from competitive positioning gaps in recent model evaluations, while smaller labs like DeepSeek or Moonshot trail due to limited demonstrated scale in web development tasks. Key upcoming catalysts include December benchmark updates and any final 2026 model drops that could shift capabilities before resolution.