GPT-6.1 Sol vs DeepSeek V4 Pro
GPT-6.1 Sol from OpenAI and DeepSeek V4 Pro from DeepSeek, side by side. Every figure comes from the model registry. No markup on model usage: you pay the provider's list price.
| Attribute |   GPT-6.1 Sol |   DeepSeek V4 Pro |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Model id | openai/gpt-6.1-sol | deepseek/deepseek-v4-pro |
| Status | Available via Safeguard | Available via Safeguard |
| Input / 1M tokens | $2 | $1.32 |
| Output / 1M tokens | $10 | $3.96 |
| Price notes | Standard tier, prompts <=272K input tokens. Over 272K: $4 in / $15 out. Cached input $0.10. | Peak-hour list price (cache miss). Off-peak is half: $0.66 in / $1.98 out. Cache-hit input $0.044 peak. DeepSeek says it is phasing V4 Pro out but continues to serve it. |
| Context | 1.05M | 1M |
| Parameters | Not published | Not published |
| Max output | 128,000 tokens | 384,000 tokens |
| Modality | Text and image | Text |
| Weights | Closed | Open |
| Zero data retention | Available | Not stated |
| Prompts go to | OpenAI (no processing-region constraint by default) | DeepSeek (People's Republic of China) |
| Retention | API data not used for training unless you opt in, abuse monitoring logs that can include prompts and responses kept up to 30 days by default, some features store application state | Privacy policy: personal data stored in the PRC and kept as long as necessary to provide the service, may be used to train models, with a right to opt out. No API-specific retention period or ZDR offering published |
| Region | Global by default, data residency projects in US, EU and other regions (approval required, 10% uplift for models released on or after 2026-03-05) | China (PRC) |
| Price checked | 2026-10-10 | 2026-10-10 |
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