Claude Sonnet 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

I will feel that Sonnet 5 has the same amount of "soul" as Opus 4.5 (or more)

Released Feb 13th or earlier

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

Sonnet 4.x will be released, not Sonnet 5

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

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

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 6th (PT)

Releases Feb 5th

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

Reseases before 3pm Feb 4th

YES

Other

4h - 4h30

5h - 5h30

4h30 - 5h

5h30 - 6h

3h - 3h30

6h - 6h30

3h30 - 4h

< 2h

2h - 2h30

GPT-5.3

Gemini 3 Pro GA

Claude Sonnet 5

YES

Sonnet 5

Sonnet 4.6

Other

NO

YES

YES

NO

YES