Compare models
Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.
| Attribute | GPT-6 Sol Progpt-6-sol-pro | Aura-2aura-2 |
|---|---|---|
| Pricing | ||
| Input | $2.00 / 1M | $0 / 1M |
| Output | $10.00 / 1M | $0 / 1M |
| Cache Write (5m) | $2.00 / 1M | Not applicable |
| Cache Write (1h) | $2.00 / 1M | Not applicable |
| Cache Read | $2.00 / 1M | Not applicable |
| Web Search | $0 / 1M | $0 / 1M |
| Context | ||
| Max context | 1.1M | N/A |
| Max output | N/A | N/A |
| Capabilities | ||
| Vision | Yes | No |
| Function Calling | Yes | No |
| JSON Mode | Yes | No |
| Streaming | Yes | No |
| Catalogue | ||
| Provider | OpenAI | Deepgram |
| Category | chat | voice |
| Charge type | Pay As You Go | Pay As You Go |
| Released | — | 2026-07-16 |
| Description | ||
| Summary | GPT-6 Sol Pro uses the same underlying model as GPT-6 Sol, but runs with reasoning.mode set to pro for higher-quality responses on complex and demanding tasks. Optimized for deeper reasoning, greater accuracy, and more reliable multi-step execution, it is particularly well suited for agentic coding, long-horizon software engineering, professional analysis, and complex automated workflows where solution quality takes priority over latency and cost. | Deepgram Aura-2 text-to-speech for real-time voice applications. Billed per input character. |