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Ethos 6 Challenges GPT-6 Astra and Claude Fable 5.1 at 95% Lower Cost

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News18•08-10-2026, 16:15
Ethos 6 Challenges GPT-6 Astra and Claude Fable 5.1 at 95% Lower Cost
- •Ethos 6, developed by Atomesus AI, scored an impressive 92.68 out of 100 in a broad third-party benchmark suite covering more than two dozen categories.
- •The AI model costs $0.52 per million input tokens and $2.07 per million output tokens, making it roughly 95 percent cheaper than rival models like GPT-6 Astra and Claude Fable 5.1.
- •Third-party benchmarks reveal strong performance in writing, language understanding, software engineering, and debugging, though it shows weaker scores in instruction following and agentic planning.
- •Ethos 6 features an OpenAI-compatible API and consumer monthly subscription plans priced significantly lower than the current industry standard of $20.





