BREAKING
Anthropic Releases Claude Sonnet 5
Most Agentic Sonnet Yet
Sonnet 5 vs Opus 4.8 Benchmarks
Terminal 2.1 S5
80.4
Terminal 2.1 Opus
82.7
SWE Pro S5
63.2
SWE Pro Opus
69.2
0
$
Input per M
0
$
Output per M
0
x
Cheaper claim
Cheap Price vs Real Consumption
Upside
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Near-Opus at lower price
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Strong long autonomous runs
Concern
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Fast token use at high effort
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New tokenizer adds 1.0-1.35x
Watch Cost Per Task, Not Just Price
AI NEWS BLITZ
Anthropic has launched Claude Sonnet 5, a new model tuned for agentic use.