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Claude Opus 4.5 vs GPT-5.3-Codex

Claude Opus 4.5 在 3 / 8 個類別領先

Arena ELO

Claude Opus 4.5

價格較低

GPT-5.3-Codex

速度較快

Claude Opus 4.5

詳細比較

類別Claude Opus 4.5GPT-5.3-Codex
ProviderAnthropic OpenAI
Context Window200K 勝出128K
Input Price ($/1M)$5 $1.75 勝出
Output Price ($/1M)$25 $14 勝出
Arena ELO1380 勝出N/A
Coding80.9% SWE-bench N/A
Reasoningunknown N/A
Speed (tokens/sec)~35 t/s 勝出N/A
Open SourceNo No

常見問題

Which is cheaper, Claude Opus 4.5 or GPT-5.3-Codex?

GPT-5.3-Codex is approximately 48% cheaper than Claude Opus 4.5 per million tokens.

Which is better for coding, Claude Opus 4.5 or GPT-5.3-Codex?

Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while GPT-5.3-Codex scores N/A.

Which has a larger context window?

Claude Opus 4.5 supports 200K context, while GPT-5.3-Codex supports 128K.

Is Claude Opus 4.5 or GPT-5.3-Codex open source?

Claude Opus 4.5 is proprietary. GPT-5.3-Codex is proprietary.