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Claude Opus 4.5 vs MiniMax H3

Claude Opus 4.5 leads in 5 of 8 categories

Arena ELO

Claude Opus 4.5

Cheaper

Claude Opus 4.5

Faster

Claude Opus 4.5

Detailed Comparison

CategoryClaude Opus 4.5MiniMax H3
ProviderAnthropic MiniMax
Context Window200K WINuncertain
Input Price ($/1M)$5 WINN/A
Output Price ($/1M)$25 WINN/A
Arena ELO1380 WINN/A
Coding80.9% SWE-bench N/A
Reasoningunknown N/A
Speed (tokens/sec)~35 t/s WINN/A
Open SourceNo No

Frequently Asked Questions

Which is better for coding, Claude Opus 4.5 or MiniMax H3?

Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while MiniMax H3 scores N/A.

Which has a larger context window?

Claude Opus 4.5 supports 200K context, while MiniMax H3 supports uncertain.

Is Claude Opus 4.5 or MiniMax H3 open source?

Claude Opus 4.5 is proprietary. MiniMax H3 is proprietary.

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