KAT-Coder-Air V2.5 vs Nemotron 3 Ultra: side-by-side summary

KAT-Coder-Air V2.5 and Nemotron 3 Ultra are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

KAT-Coder-Air V2.5, from kwaipilot, has a 256,000-token context window and is priced at $0.15/M tokens input, $0.60/M tokens output on OpenRouter.

Nemotron 3 Ultra, from Nvidia, has a 512,288-token context window and is priced at $0.50/M tokens input, $2.20/M tokens output on OpenRouter.

Context window

• KAT-Coder-Air V2.5: 256,000 tokens
• Nemotron 3 Ultra: 512,288 tokens

Price

• KAT-Coder-Air V2.5: $0.15/M tokens input, $0.60/M tokens output
• Nemotron 3 Ultra: $0.50/M tokens input, $2.20/M tokens output

Provided by

• KAT-Coder-Air V2.5: kwaipilot
• Nemotron 3 Ultra: Nvidia

• KAT-Coder-Air V2.5 model details, providers and pricing
• Nemotron 3 Ultra model details, providers and pricing