Claude Opus 5 (Fast) vs Nova 2 Lite: side-by-side summary

Claude Opus 5 (Fast) and Nova 2 Lite are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Opus 5 (Fast), from Anthropic, has a 1,000,000-token context window and is priced at $10/M tokens input, $50/M tokens output on OpenRouter.

Nova 2 Lite, from Amazon, has a 1,000,000-token context window and is priced at $0.30/M tokens input, $2.50/M tokens output on OpenRouter.

Context window

• Claude Opus 5 (Fast): 1,000,000 tokens
• Nova 2 Lite: 1,000,000 tokens

Price

• Claude Opus 5 (Fast): $10/M tokens input, $50/M tokens output
• Nova 2 Lite: $0.30/M tokens input, $2.50/M tokens output

Provided by

• Claude Opus 5 (Fast): Anthropic
• Nova 2 Lite: Amazon

• Claude Opus 5 (Fast) model details, providers and pricing
• Nova 2 Lite model details, providers and pricing