Analysis of Anthropic's Claude Opus 4.5 (Reasoning) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.
Context
Release Date
Nov 24, 2025
Knowledge Cutoff
Aug 01, 2025
Window
200k
PricingPer 1M tokens
Input
$5
Output
$25
Blended 3:1
$10
Capabilities
Speed
48 t/s
Input
Output
Reasoning tokens
Latency
TTFT
17.68 ms
500 token response
28.03 s
Benchmarks
Reasoning
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Math
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Coding
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MMLU Pro
89.5%
GPQA
86.6%
HLE
28.4%
SciCode
49.5%
AIME
91.3%
LiveCodeBench
87.1%
Analysis of Anthropic's Claude Opus 4.5 (Reasoning) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.