BREAKING
Claude Sonnet 5 Leak Surfaces
0
$
input / M tokens
0
$
output / M tokens
Cheaper Than Prior Sonnet
Sonnet 5 in
2
Prior in
3
Sonnet 5 out
10
Prior out
15
Why People Believe It
1
June leaks as Fennec
↓
2
Shows in Claude Code
↓
3
No official word
Opus-Class at Sonnet Price
Upgrades
●
Jan 2026 cutoff
●
Stronger Vision
●
Up to 1M context
Caveats
●
No specific figures
●
Leaks only
●
Sonnet 4.6 still latest
Await Anthropic's Word
AI NEWS BLITZ
Leaks point to Anthropic's Claude Sonnet 5 launching as soon as June 30th, 2026.