Claude Sonnet 4.5 vs InternVL3 78B: side-by-side summary

Claude Sonnet 4.5 and InternVL3 78B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Sonnet 4.5, from Anthropic, has a 1,000,000-token context window and is priced at $3/M tokens input, $15/M tokens output on OpenRouter.

InternVL3 78B, from opengvlab, is priced by the provider serving it on OpenRouter.

Context window

• Claude Sonnet 4.5: 1,000,000 tokens
• InternVL3 78B: Not published

Price

• Claude Sonnet 4.5: $3/M tokens input, $15/M tokens output
• InternVL3 78B: Pricing varies by provider

Provided by

• Claude Sonnet 4.5: Anthropic
• InternVL3 78B: opengvlab

• Claude Sonnet 4.5 model details, providers and pricing
• InternVL3 78B model details, providers and pricing