Claude 4.5 Opus Sound
NEW HOTAnthropic · Claude
API
Claude 4.5 Opus Sound excels in understanding and conveying nuanced emotional context and sentiment from human speech with high fidelity.
TextAudioReasoning
Scores 95% on MMLU, competitive across 4 standard benchmarks.
Data aggregated and editorially reviewed by TrendMing.
Benchmark Performance
MMLU95%
HumanEval87%
MATH84%
GPQA92%
Scores sourced from published evaluations. Higher = better.
Quick Specs
Context Window768K tokens
Parameters3.5T
Input pricing$0.006 / 1K audio-tokens
Output pricing$0.018 / 1K audio-tokens
Released2026-10-05