BREAKING
Anthropic launches Claude Sonnet 5
0$
Sonnet 5 run
0$
prior Opus run
Sonnet 5 token pricing vs Opus 4.8
S5 in2
S5 out10
Opus in5
Opus out25
Benchmarks: Sonnet 5 vs Opus 4.8
Code S563.2
Code Opus69.2
Term S580.4
Term Opus74.6
Cheaper per token, not always per task
Nominal price1.7x cheaper
Lower per-token cost
Intro pricing to Aug 31, 2026
Per taskreality check
$2.09 vs $1.94 per task
Scored 81% vs 87%
Mid-tier models chase scale value
AI NEWS BLITZ
Anthropic is pitching Claude Sonnet 5 as a cheaper way to run autonomous AI agents.