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Claude Opus 4.5 vs NemotronLabs VoiceChat 11B

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 4.5NemotronLabs VoiceChat 11B
ProviderAnthropic NVIDIA
Context Window200K WIN128K
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 Yes

Frequently Asked Questions

Which is better for coding, Claude Opus 4.5 or NemotronLabs VoiceChat 11B?

Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while NemotronLabs VoiceChat 11B scores N/A.

Which has a larger context window?

Claude Opus 4.5 supports 200K context, while NemotronLabs VoiceChat 11B supports 128K.

Is Claude Opus 4.5 or NemotronLabs VoiceChat 11B open source?

Claude Opus 4.5 is proprietary. NemotronLabs VoiceChat 11B is open source.