Claude Code News

YES

Available in Claude Code at launch

Will Sonnet 5 be available on the free Claude tier at launch?

Outperforms Opus 4.5 in WebDev on LMArena

400k+ token context window

50% if significantly better than Sonnet 4.5, YES if significantly better than Opus 4.5 (President's judgement)

Will Claude Sonnet 5 debut in the LM Arena Top 3 overall within 7 days of release?

1M+ token context window

"agent swarm" or other more sophisticated multi agent scheme released/announced with launch.

Releases Feb 5th

Will Sonnet 5 reach #1 overall on LM Arena at any point within 14 days?

Any image generation tool included with the release (nano banana type thing, not gif's)

Sonnet 4.x will be released, not Sonnet 5

1.5M+ token context window

Will Sonnet 5 be #1 overall-no-style-control on LM Arena when first added to the leaderboard

Releases Feb 4th

releases today before 1pm ET (feb 3rd)

Releases today at all (feb 3)

Releases before 2pm EST

Releases before 3pm est

Releases before 4pm EST

Reseases before 1pm Feb 4th

Reseases before 2pm Feb 4th

YES

NO

NO

YES

NO

NO

Visual Studio Code (w/ Github Copilot or any other built-in)

Any code editor + CLI tools (such as Claude Code, OpenAI Codex)

Other

Visual Studio Code (w/ 3rd party agent)

Cursor

Zed

Antigravity

Windsurf

YES

NO

Claude Code

Codex CLI

Gemini CLI

Other

OpenCode

Warp

Qwen Code