Claude Opus 5 (Fast) vs Llama 4 Maverick: side-by-side summary

Claude Opus 5 (Fast) and Llama 4 Maverick 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.

Llama 4 Maverick, from Meta Llama, has a 1,048,576-token context window and is priced at $0.20/M tokens input, $0.696/M tokens output on OpenRouter.

Context window

• Claude Opus 5 (Fast): 1,000,000 tokens
• Llama 4 Maverick: 1,048,576 tokens

Price

• Claude Opus 5 (Fast): $10/M tokens input, $50/M tokens output
• Llama 4 Maverick: $0.20/M tokens input, $0.696/M tokens output

Provided by

• Claude Opus 5 (Fast): Anthropic
• Llama 4 Maverick: Meta Llama

• Claude Opus 5 (Fast) model details, providers and pricing
• Llama 4 Maverick model details, providers and pricing