OpenAI's GPT-5.6 Sol and DeepSeek's DeepSeek-V4-Pro compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.
| Specification | GPT-5.6 Sol | DeepSeek-V4-Pro |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| API model ID | gpt-5.6-sol | deepseek-v4-pro |
| Description | OpenAI's flagship 'Sol' model for complex professional work, with 1M context and native multimodal intelligence. | DeepSeek's most capable V4 model with dual thinking/non-thinking modes and 1M context. |
| Context window | 1.05M tokens | 1M tokens |
| Max output tokens | 128,000 | 8,192 |
| Input cost ($/1M tokens) | $6.00 | $0.52 |
| Output cost ($/1M tokens) | $36.00 | $1.04 |
| Cache read cost ($/1M tokens) | $0.60 | $0.00 |
| Latency | medium | medium |
| Reasoning model | Yes | Yes |
| Vision (image input) | Yes | No |
| Tool use | Yes | Yes |
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