GPT-5 Pro vs Relace Search: side-by-side summary

GPT-5 Pro and Relace Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

GPT-5 Pro, from OpenAI, has a 400,000-token context window and is priced at $15/M tokens input, $120/M tokens output on OpenRouter.

Relace Search, from relace, has a 256,000-token context window and is priced at $1/M tokens input, $3/M tokens output on OpenRouter.

Context window

• GPT-5 Pro: 400,000 tokens
• Relace Search: 256,000 tokens

Price

• GPT-5 Pro: $15/M tokens input, $120/M tokens output
• Relace Search: $1/M tokens input, $3/M tokens output

Provided by

• GPT-5 Pro: OpenAI
• Relace Search: relace

• GPT-5 Pro model details, providers and pricing
• Relace Search model details, providers and pricing