Compare GPT-6 Astra Pro from OpenAI and Pareto from Unbiased on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


GPT-6 Astra Pro and Pareto are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-6 Astra Pro, from OpenAI, has a 1,050,000-token context window and is priced at $10/M tokens input, $50/M tokens output on OpenRouter.
Pareto, from Unbiased, has a 262,144-token context window and is priced at $2.50/M tokens input, $7.50/M tokens output on OpenRouter.