GPT-6 Sol Pro is cheaper than Llama 3.1 405B at $2/M vs $2.7/M input tokens.
| Spec | GPT-6 Sol Pro | Llama 3.1 405B |
|---|---|---|
| Input price | $2/M tokens | $2.7/M tokens |
| Output price | $10/M tokens | $3.1/M tokens |
| Context window | 1.1M tokens | 128K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Jul 2024 |
Not enough votes to call it. On the specs, nothing separates them.
Llama 3.1 405B costs 3.2x less per token.
GPT-6 Sol Pro wins input (1.4× cheaper)·Llama 3.1 405B wins output (3.2× cheaper)
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Per million tokens. Prices and uptime via OpenRouter, checked 25 Sep 2026.