Claude Opus 3.x Release Date

Anthropic releases Claude 3.7+ Sonnet

Which will be released first: Claude 3.5 Opus or Claude 4.0 Sonnet?

Will Claude 3.5 Opus beat OpenAI's best released model on the arena.lmsys.org leaderboard?

Will "Anthropic release Claude 3, claims >GPT-4 Per..." make the top fifty posts in LessWrong's 2024 Annual Review?

When will Anthropic announce Claude's voice mode?

Will Claude 3.5 Opus be available via API by end of 2025?

What will Claude 3.5 Opus's reported 0-shot performance on GPQA Diamond be upon release?

When will Claude 4 be released?

Will Claude 3.5 Opus have a higher Chat Arena Elo than GPT-5?