OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
NousResearch's efficient 70B reasoning model based on Llama 4.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Sol and Hermes 4 70B are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Hermes 4 70B has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Hermes 4 70B: $0.13 input / $0.40 output.
GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Hermes 4 70B at 131K tokens.
GPT 5.6 Sol supports vision/image input, but Hermes 4 70B does not.
Key differences: Hermes 4 70B is significantly cheaper; only GPT 5.6 Sol supports vision input. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.6 Sol and Hermes 4 70B for free on idapt.app to see which performs better for your specific needs.