Claude Opus 4.5 vs GTE-Base: side-by-side summary

Claude Opus 4.5 and GTE-Base are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Claude Opus 4.5, from Anthropic, has a 200,000-token context window and is priced at $5/M tokens input, $25/M tokens output on OpenRouter.

GTE-Base, from thenlper, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.

Context window

• Claude Opus 4.5: 200,000 tokens
• GTE-Base: 512 tokens

Price

• Claude Opus 4.5: $5/M tokens input, $25/M tokens output
• GTE-Base: $0.005/M tokens

Provided by

• Claude Opus 4.5: Anthropic
• GTE-Base: thenlper

• Claude Opus 4.5 model details, providers and pricing
• GTE-Base model details, providers and pricing