KAT-Coder-Air V2.5 vs Solar Pro 4: side-by-side summary

KAT-Coder-Air V2.5 and Solar Pro 4 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.

Solar Pro 4, from upstage, has a 524,288-token context window and is priced at $0.03/M tokens input, $0.12/M tokens output on OpenRouter.

Context window

• KAT-Coder-Air V2.5: 256,000 tokens
• Solar Pro 4: 524,288 tokens

Price

• KAT-Coder-Air V2.5: $0.15/M tokens input, $0.60/M tokens output
• Solar Pro 4: $0.03/M tokens input, $0.12/M tokens output

Provided by

• KAT-Coder-Air V2.5: kwaipilot
• Solar Pro 4: upstage

• KAT-Coder-Air V2.5 model details, providers and pricing
• Solar Pro 4 model details, providers and pricing